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X-ORIGINAL-URL:https://aarms.math.ca
X-WR-CALDESC:Events for 
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BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
TZNAME:UTC
DTSTART:20230101T000000
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20250526
DTEND;VALUE=DATE:20250528
DTSTAMP:20260610T230259
CREATED:20250121T131450Z
LAST-MODIFIED:20250121T131450Z
UID:7897-1748217600-1748390399@aarms.math.ca
SUMMARY:Atlantic General Relativity 2025 Conference
DESCRIPTION:The annual Atlantic General Relativity Conference (AGR) will be held at Mount Allison University on May 26-27\, 2025. The Atlantic General Relativity Conference series of meetings has been a regular and annual feature of the Atlantic GR community for nearly three decades. This series of meetings focuses on recent developments in all aspects of mathematical relativity\, numerical relativity\, quantum gravity\, string theory\, gravitational waves\, relativistic astrophysics\, and cosmology.
URL:https://aarms.math.ca/event/atlantic-general-relativity-2025-conference/
LOCATION:Mount Allison University\, Sackville\, New Brunswick\, Canada
CATEGORIES:AARMS workshops and conferences
ORGANIZER;CN="Turkuler Durgut":MAILTO:tdurgut@mta.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250526
DTEND;VALUE=DATE:20250531
DTSTAMP:20260610T230259
CREATED:20240202T122655Z
LAST-MODIFIED:20240202T122655Z
UID:7494-1748217600-1748649599@aarms.math.ca
SUMMARY:EMF conference
DESCRIPTION:The Espace Mathématique Francophone (EMF) was created to promote reflection and exchange within the French-speaking world on current issues in the teaching of mathematics in today’s society\, at primary\, secondary and higher education levels. The EMF contributes to the development of a French-speaking community rich in cultural diversity\, around the teaching of mathematics at the crossroads of continents\, cultures and generations. The EMF colloquium aims to provide a forum for the exchange of ideas\, informations\, experiences and researches on current issues in mathematics education. That’s why we’ve chosen “Mathematics education in an accelerating society: issues\, challenges and opportunities” as the theme for the 2025 event. The symposium is preceded by a pre-conference called the Young Teachers Special Project. These days provide an opportunity for young teachers from all over the French-speaking world to exchange ideas\, and raise awareness of their role in shaping the mathematical culture of their countries.
URL:https://aarms.math.ca/event/emf-conference/
LOCATION:Montreal\, Montreal\, Quebec\, Canada
CATEGORIES:AARMS sponsored events
ORGANIZER;CN="Venant Fabienne":MAILTO:venant.fabienne@uqam.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250524
DTEND;VALUE=DATE:20250525
DTSTAMP:20260610T230259
CREATED:20250121T124053Z
LAST-MODIFIED:20250121T124053Z
UID:7888-1748044800-1748131199@aarms.math.ca
SUMMARY:Canadian Statistics Student Conference 2025
DESCRIPTION:The Canadian Statistics Student Conference (CSSC) is a national conference organized by students that aims to provide opportunities for students and recent graduates in statistics-related fields to network with one another\, present their research\, and engage in a variety of discussions. This year\, the conference will take place on Saturday\, May 24\, 2025 at the University of Saskatchewan in Saskatoon\, Saskatchewan. It will consist of undergraduate and graduate oral and poster presentations\, a skills-based workshop\, a career panel\, a keynote talk\, and various networking opportunities. The organizing committee will provide travel\, translation\, and best oral and poster presentation awards to undergraduate and graduate students to assist students’ research and participation at the conference.
URL:https://aarms.math.ca/event/canadian-statistics-student-conference-2025/
LOCATION:University of Saskatchewan\, 105 Administration Place\, Saskatoon\, Saskatchewan\, S7N 5A2\, Canada
CATEGORIES:AARMS sponsored events
ORGANIZER;CN="Sam Morissette":MAILTO:samuel.morrissette01@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250522
DTEND;VALUE=DATE:20250523
DTSTAMP:20260610T230259
CREATED:20250121T182733Z
LAST-MODIFIED:20250121T182733Z
UID:7912-1747872000-1747958399@aarms.math.ca
SUMMARY:Blundon Seminar math camp
DESCRIPTION:The Blundon Seminar is an annual math camp for senior high school students from Newfoundland who are interested in mathematics and demonstrate consistently good performance in mathematics competitions. Participation in the math camp is by invitation\nonly based on the results of preceding Blundon\, COMC\, Euclid\, Fermat\, and Cayley contests. Usually we invite 35 – 50 students. During the seminar the students attend talks given by mathematics professors on various mathematical topics and applications in science and engineering. There are problem solving sessions and other activities such Mathletics or Papers Chase. The winner of the Blundon Contest is presented with the Blundon Shield\, and the winners of other contests are also presented with money and book prizes.
URL:https://aarms.math.ca/event/blundon-seminar-math-camp-4/
LOCATION:Memorial University (St. John’s Campus)\, St. John's\, Newfoundland and Labrador\, Canada
CATEGORIES:AARMS outreach events
ORGANIZER;CN="Margo Kondratieva":MAILTO:mkondra@mun.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250520
DTEND;VALUE=DATE:20250524
DTSTAMP:20260610T230259
CREATED:20240925T114245Z
LAST-MODIFIED:20240925T115907Z
UID:7682-1747699200-1748044799@aarms.math.ca
SUMMARY:2025 Canadian Discrete and Algorithmic Mathematics Conference
DESCRIPTION:CanaDAM is the pre-eminent Canadian conference in discrete and algorithmic mathematics.It has been held every two years since 2007\, and has established itself as one of the main international conferences in discrete mathematics.
URL:https://aarms.math.ca/event/2025-canadian-discrete-and-algorithmic-mathematics-conference/
LOCATION:University of Ottawa\, 75 Laurier Ave E\, Ottawa\, Ontario\, K1N 6N5\, Canada
CATEGORIES:AARMS sponsored events
ORGANIZER;CN="Karen Meagher":MAILTO:Karen.meagher@uregina.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250519
DTEND;VALUE=DATE:20250524
DTSTAMP:20260610T230259
CREATED:20250121T123047Z
LAST-MODIFIED:20250308T112535Z
UID:7884-1747612800-1748044799@aarms.math.ca
SUMMARY:Atlantic Topological Quantum Field Theory Spring School 2025
DESCRIPTION:Topological Quantum Field Theory (TQFT) emerged in the 1980s in an effort to interpret quantum field theory through cobordism categories. Today\, TQFTs play a central role in both mathematics and theoretical physics\, especially in understanding global symmetries and the low-energy behaviour of gapped systems. This week-long school\, aimed primarily at early-career graduate students\, will feature three lecture series plus TA-led problem sessions\, introducing students to cutting-edge topics brought together by TQFTs. Lecture topics will include fusion categories and condensed matter\, deformation quantization and symplectic geometry\, and stable homotopy theory. The school will foster interdisciplinary collaboration and equip students with a modern toolbox of topological methods in quantum field theory.
URL:https://aarms.math.ca/event/atlantic-topological-quantum-field-theory-spring-school-2025/
LOCATION:University of New Brunswick (Fredericton Campus)\, Fredericton\, New Brunswick\, Canada
CATEGORIES:AARMS schools and minicourses
ORGANIZER;CN="Theo Johnson-Freyd":MAILTO:theojf@dal.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250509
DTEND;VALUE=DATE:20250512
DTSTAMP:20260610T230259
CREATED:20250121T185712Z
LAST-MODIFIED:20250121T185712Z
UID:7918-1746748800-1747007999@aarms.math.ca
SUMMARY:UNB-CMS Math Camp
DESCRIPTION:With support from the Canadian Mathematical Society and the Atlantic Association for Research in the Mathematical Sciences\, the Department of Mathematics and Statistics at the University of New Brunswick (Fredericton) hosts a three-day\, two-night Math Camp. The camp gives a select number of Grade 10 students who are keenly interested in mathematics the opportunity to come stay on the Fredericton Campus\, meet fellow students from across the province who share a love of mathematics\, and enjoy solving challenging problems together\, hearing talks from guest speakers\, and playing “basketball math”\, among other fun activities.
URL:https://aarms.math.ca/event/unb-cms-math-camp-2/
LOCATION:University of New Brunswick (Fredericton Campus)\, Fredericton\, New Brunswick\, Canada
CATEGORIES:AARMS outreach events
ORGANIZER;CN="Patrick Reynolds":MAILTO:p.reynolds@unb.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250509
DTEND;VALUE=DATE:20250510
DTSTAMP:20260610T230259
CREATED:20250121T130603Z
LAST-MODIFIED:20250308T111455Z
UID:7895-1746748800-1746835199@aarms.math.ca
SUMMARY:Calculus Instruction in Atlantic Canada Workshop 2025
DESCRIPTION:The purpose of this workshop is to bring together high school and university instructors from across the Atlantic region to discuss evidence-based pedagogy and innovative instructional methodologies used in introductory math courses. From these discussions\, we aim to better understand the needs of students in our region\, and develop course structures and resources which address these needs in our universities and high schools. This year the focus topic is “Developing numeracy in students while moving forward in the era of AI”. We will look at how the advancement of Artificial Intelligence has influenced the teaching of mathematics and development of numeracy in our students. The goal is to develop tools and methods to embrace AI\, as well as improve past practices. The one day event will consist of two plenary talks and contributed talks. Lunch will be together with breakout groups to discuss specific topics.
URL:https://aarms.math.ca/event/calculus-instruction-in-atlantic-canada-workshop-2025/
LOCATION:Mount Saint Vincent University\, 166 Bedford Hwy\, Halifax\, Nova Scotia\, B3M 2J6
CATEGORIES:AARMS workshops and conferences
ORGANIZER;CN="Danielle Cox":MAILTO:danielle.cox@msvu.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250508
DTEND;VALUE=DATE:20250509
DTSTAMP:20260610T230259
CREATED:20250121T181902Z
LAST-MODIFIED:20250121T181902Z
UID:7910-1746662400-1746748799@aarms.math.ca
SUMMARY:40th Annual New Brunswick Mathematics Competition
DESCRIPTION:40th Annual New Brunswick Mathematics Competition for Grades 7\, 8 and 9 \nThe provincial New Brunswick Math Competition is a bilingual math competition that takes place in May each year. Students in grades 7-9 from across the province (approximately 1\,300 students) attend one of five university locations to simultaneously write the one-hour math competition. There are three competition papers according to grade; each available in both English and French. Following the competition in the morning\, students attend enrichment activities held at the universities; awards are distributed at all locations late afternoon. The campuses include UNB Fredericton and Saint John\, and the University de Moncton in Moncton\, Edmundston\, and Shippagan. \nThe NB Math Competition was first held in Fredericton in 1981 and we plan to continue to offer this important event for many years to come.
URL:https://aarms.math.ca/event/40th-annual-new-brunswick-mathematics-competition/
LOCATION:5 Locations in New Brunswick\, New Brunswick
CATEGORIES:AARMS outreach events
ORGANIZER;CN="C. Hope Alderson":MAILTO:hope.alderson@unb.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250505
DTEND;VALUE=DATE:20250510
DTSTAMP:20260610T230259
CREATED:20250121T125934Z
LAST-MODIFIED:20250121T125934Z
UID:7893-1746403200-1746835199@aarms.math.ca
SUMMARY:Numerical modelling of layered complex fluids
DESCRIPTION:Layered complex fluids\, such as smectic liquid crystals\, possess remarkable properties because of the geometric and topological consequences of layering: external forces lead to deformations of the fluid that are incompatible with the layering\, leading to geometric frustration and the spontaneous assembly of a wide variety of textures. There has been a recent explosion of interest in exploiting the ability of smectics\, as a paradigmatic example of a layered fluid\, to repeatedly self-assemble over device length-scales. As we advance our theoretical and experimental understanding of these fluids\, we may be able to develop highly attractive metamaterials for use as lenses\, lithographic templates\, or in other devices. However\, the very complicated structures that emerge in these systems have proven to be extremely challenging to model computationally. We will bring together experts in experimentation\, theory\, and simulation\, to focus on understanding the structures of these materials.
URL:https://aarms.math.ca/event/numerical-modelling-of-layered-complex-fluids/
LOCATION:Halifax\, Halifax\, Nova Scotia\, Canada
CATEGORIES:AARMS workshops and conferences
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250505
DTEND;VALUE=DATE:20250701
DTSTAMP:20260610T230259
CREATED:20240925T115837Z
LAST-MODIFIED:20240925T115837Z
UID:7685-1746403200-1751327999@aarms.math.ca
SUMMARY:Thematic Program "Mathematical Foundations of Data Science"
DESCRIPTION:The rise of big data has caused a tectonic shift in the field of data science\, opening up new possibilities but also coming with new challenges\, such as the curse of dimensionality. These changes have revived old ideas and inspired new approaches in many areas of applied mathematics. Some of the most fascinating and impactful developments are now taking place at the interface of optimization\, probability theory\, numerical analysis\, approximation theory and their interplay with machine and statistical learning. Motivated by this recent transformations\, our thematic program will bring together established researchers as well as students and postdocs to learn about the most recent trends in the field\, share emerging ideas and foster new collaborations. The main activities of the program will be five workshops and one spring school. The program will also host several long-term visitors and two Aisenstadt Chairs that will deliver distinguished lectures.
URL:https://aarms.math.ca/event/thematic-program-mathematical-foundations-of-data-science/
LOCATION:Centre de Recherches Mathématiques\, Montréal\, Pavillon André-Aisenstadt 2920\, chemin de la Tour\, bureau 5357\, Montréal\, Québec\, H3T 1J4\, Canada
CATEGORIES:AARMS sponsored events
ORGANIZER;CN="Simone Brugiapaglia":MAILTO:simone.brugiapaglia@concordia.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250502
DTEND;VALUE=DATE:20250505
DTSTAMP:20260610T230259
CREATED:20250121T183257Z
LAST-MODIFIED:20250121T183257Z
UID:7914-1746144000-1746403199@aarms.math.ca
SUMMARY:20th CMS-UPEI-AARMS Regional Math Camp
DESCRIPTION:For more than 20 years\, the School of Mathematical and Computational Sciences (SMCS)\, UPEI has hosted a Math Camp for students in grades 10 and 11 from PEI high schools. The Math Camp is the SMCS’s primary outreach effort. Its goals are to give some of PEI’s best students an opportunity to broaden their mathematical horizons beyond what they see in their course work\, and to encourage them to continue their math studies at university.
URL:https://aarms.math.ca/event/20th-cms-upei-aarms-regional-math-camp/
LOCATION:University of Prince Edward Island\, Charlottetown\, Prince Edward Island\, Canada
CATEGORIES:AARMS outreach events
ORGANIZER;CN="Alexander Alvarez":MAILTO:alalvarez@upei.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250501
DTEND;VALUE=DATE:20250504
DTSTAMP:20260610T230259
CREATED:20250411T110557Z
LAST-MODIFIED:20250411T110626Z
UID:8204-1746057600-1746316799@aarms.math.ca
SUMMARY:Atlantic Canada AI Summit 2025
DESCRIPTION:The Summit will showcase cutting-edge AI research\, facilitate industry-academia collaboration\, and highlight exceptional AI talents in the Atlantic region.
URL:https://aarms.math.ca/event/atlantic-canada-ai-summit-2025/
LOCATION:St. Mary’s University\, 923 Robie Street\, Halifax\, Nova Scotia\, B3H 3C3\, Canada
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20250326T153000
DTEND;TZID=UTC:20250326T163000
DTSTAMP:20260610T230259
CREATED:20250319T205857Z
LAST-MODIFIED:20250319T205857Z
UID:8166-1743003000-1743006600@aarms.math.ca
SUMMARY:Atlantic Graph Theory Seminar
DESCRIPTION:The Burning Number of Large Caterpillars \nDanielle Cox\, Mount Saint Vincent University \nAbstract:\nIn this talk we will look at the history of the graph burning conjecture and the state of the art. We will also prove the conjecture for sufficiently large p-caterpillars. This is joint work with Kerry Ojakian (CUNY) and Margaret-Ellen Messinger (Mt Allison).\n\nZoom link:\nhttps://us02web.zoom.us/j/86861499971?pwd=rTDAaju0TCu24asnaBGvkuNlT11KZ1.1\n\nMeeting ID: 868 6149 9971\nPasscode: 325258
URL:https://aarms.math.ca/event/atlantic-graph-theory-seminar-30/
LOCATION:Online via Zoom
CATEGORIES:AARMS Atlantic Graph Theory Seminar
ORGANIZER;CN="jeannette Janssen":MAILTO:jeannette.janssen@dal.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250324
DTEND;VALUE=DATE:20250329
DTSTAMP:20260610T230259
CREATED:20250121T181114Z
LAST-MODIFIED:20250121T181114Z
UID:7908-1742774400-1743206399@aarms.math.ca
SUMMARY:Mini course "Vertex operator algebras and their representations"
DESCRIPTION:Vertex operator algebras have been a topic of interest in mathematical physics for several decades\, as they constitute one possible approach to formalize physical concepts from conformal field theory. They have relations to several other areas of mathematics\, most notably to the theory of finite simple groups. This specific relation lead in fact to the award of the Fields Medal to Professor Richard Borcherds at the International Congress of Mathematicians in Berlin in 1998. Professor Gannon is the author of a well-known monograph on this topic. \nThe minicourse will consist of five lectures of 90 minutes each. The lectures will be aimed at students\, primarily at the graduate level. We hope to attract about 20 participants from Memorial University\, Atlantic Canada\, and other parts of Canada\, and possibly some international participants.
URL:https://aarms.math.ca/event/mini-course-vertex-operator-algebras-and-their-representations/
LOCATION:Memorial University (St. John’s Campus)\, St. John's\, Newfoundland and Labrador\, Canada
CATEGORIES:AARMS schools and minicourses
ORGANIZER;CN="Yorck Sommerhauser":MAILTO:sommerh@mun.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20250319T153000
DTEND;TZID=UTC:20250319T163000
DTSTAMP:20260610T230259
CREATED:20250313T101400Z
LAST-MODIFIED:20250313T101400Z
UID:8039-1742398200-1742401800@aarms.math.ca
SUMMARY:Atlantic Graph Theory Seminar
DESCRIPTION:The 2-burning number of a graph\nSpeaker: Ann Trenk\, Wellesley College\n\nAbstract:\nWe discuss a discrete-time model for the spread of information in a graph\, motivated by the idea that people believe a story when they learn of it from two different origins. Similar to the burning number\, in this problem\, information spreads in rounds and a new source can appear in each round. For a graph $G$\, we are interested in $b_2(G)$\, the minimum number of rounds until the information has spread to all vertices of graph $G$. We are also interested in finding $t_2(G)$\, the minimum number of sources necessary so that the information spreads to all vertices of $G$ in $b_2(G)$ rounds. In addition to discussing general results\, we find $b_2(G)$ and $t_2(G)$ for the classes of spiders and wheels and show that their behavior differs with respect to these two parameters.\n\nThis is joint work with Catherine Jacobs (Wellesley College) and Margaret-Ellen Messinger (Mount Allison University).\n \nZoom link:\nhttps://us02web.zoom.us/j/86861499971?pwd=rTDAaju0TCu24asnaBGvkuNlT11KZ1.1\n\nMeeting ID: 868 6149 9971\nPasscode: 325258
URL:https://aarms.math.ca/event/atlantic-graph-theory-seminar-29/
LOCATION:Online via Zoom
CATEGORIES:AARMS Atlantic Graph Theory Seminar
ORGANIZER;CN="jeannette Janssen":MAILTO:jeannette.janssen@dal.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250314
DTEND;VALUE=DATE:20250315
DTSTAMP:20260610T230259
CREATED:20250121T174843Z
LAST-MODIFIED:20250121T174843Z
UID:7901-1741910400-1741996799@aarms.math.ca
SUMMARY:Integration Tournament for UPEI students 2025
DESCRIPTION:Competition among UPEI Calculus Students to evaluate integrals the fastest.
URL:https://aarms.math.ca/event/integration-tournament-for-upei-students-2025/
LOCATION:University of Prince Edward Island\, Charlottetown\, Prince Edward Island\, Canada
CATEGORIES:AARMS outreach events
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20250312T153000
DTEND;TZID=UTC:20250312T163000
DTSTAMP:20260610T230259
CREATED:20250305T143502Z
LAST-MODIFIED:20250305T143502Z
UID:7955-1741793400-1741797000@aarms.math.ca
SUMMARY:Atlantic Graph Theory Seminar
DESCRIPTION:Time: 3:30 pm\, Atlantic time\, (2:30 pm EST) Wednesday\, Mar. 12\nSpeaker: Ron Gould\, Emory University\nTitle: Looking for Saturation in all Kinds of Places\n\nAbstract:\nGiven a graph $H$\, a graph $G$ is $H$-saturated if $G$ does not contain $H$ as a subgraph\, but the addition of any missing edge to $G$ results in a graph containing $H$ as a subgraph. An $H$-saturated graph with the maximum number of edges is called an extremal graph for $H$ and for a given order $n$ we denoted this as $\ext(n\, H).$   This is the well-known extremal number (or Turan number) of $H$ and is a well studied notion with a deep and beautiful history.\n\nHowever\, the focus of this talk will be the many other saturation questions that can be asked.   These include what is the minimum number of edges in an $H$-saturated graph?  What sizes (i.e. $|E(G)|$)\, other than the minimum or maximum\, also allow $H$-saturated graphs on $n$ vertices?   Is it possible to order the inclusion of the missing edges so that at each stage more copies of $H$ will be included? What about saturation in other settings such as in hypergraphs\, edge-colored graphs\, random graphs\, or within graphs other than the complete graph?\n\nKeywords: saturation\, saturation spectrum\, weak saturation\n \nZoom link:\nhttps://us02web.zoom.us/j/86861499971?pwd=rTDAaju0TCu24asnaBGvkuNlT11KZ1.1\n\n\nMeeting ID: 868 6149 9971\nPasscode: 325258
URL:https://aarms.math.ca/event/atlantic-graph-theory-seminar-28/
LOCATION:Online via Zoom
CATEGORIES:AARMS Atlantic Graph Theory Seminar
ORGANIZER;CN="jeannette Janssen":MAILTO:jeannette.janssen@dal.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20250307T120000
DTEND;TZID=UTC:20250307T130000
DTSTAMP:20260610T230259
CREATED:20250306T140500Z
LAST-MODIFIED:20250306T140500Z
UID:7959-1741348800-1741352400@aarms.math.ca
SUMMARY:Atlantic Canada Data Science Tour
DESCRIPTION:A Hybrid Seminar Series for University Students in Statistics or Computer Science \n“Mediation Analysis of Recurrent Events”\nGuest Speaker: Shenita Pramij (Memorial University) \nDATE: Friday\, March 7\, 2025\nTIME: 12:00–1:00 p.m.\, Atlantic time\nLOCATION: Online via Zoom \nThis hybrid series for students in statistics and computer science programs features faculty members and students from universities in Atlantic Canada talking about their work and career paths in statistical sciences. The guest speaker for this online presentation will be Shenita Pramij. \nShenita is a PhD student in Statistics at Memorial University of Newfoundland. Her research focuses on mediation analysis\, and she has broad interests in modelling complex processes with applications in healthcare and public policy. She also has extensive experience in the public sector as a compliance researcher. Her work aims to enhance decision-making in public policy and inform targeted interventions. \nPRESENTATION ABSTRACT : Inferring the direct effects of exposure in recurrent event processes\, while accounting for mediating factors\, is crucial\, yet conventional approaches face significant limitations in the presence of complex causal relationships. We introduce two methods to address these challenges. We first explore a two-stage sequential G-estimation method to estimate the controlled direct effect of a randomly assigned exposure\, while accounting for potential mediators and confounders\, using intensity-based models of recurrent event processes. We also introduce a novel one-stage estimation method based on the estimating equations framework\, leveraging the sequential G-estimation principle. We demonstrate that both methods yield unbiased controlled direct effect estimates. The one-stage method also enables the analytical derivation of an estimator for the standard error of the direct effect estimator. We illustrate our approach using a hospital readmission dataset of colorectal cancer patients to estimate the controlled direct effect of sex differences on hospital readmission. \nWe invite you to join us online! (We’ll send you the Zoom link when you register.) \nGET THE DETAILS AND REGISTER HERE
URL:https://aarms.math.ca/event/atlantic-canada-data-science-tour/
LOCATION:Online via Zoom
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20250226T153000
DTEND;TZID=UTC:20250226T163000
DTSTAMP:20260610T230259
CREATED:20250220T195135Z
LAST-MODIFIED:20250220T195135Z
UID:7949-1740583800-1740587400@aarms.math.ca
SUMMARY:Atlantic Graph Theory Seminar
DESCRIPTION:Speaker: Karen Meagher\, University of Regina\nTitle: Derangement graphs and the intersection density of permutation groups\n\nAbstract:\nTwo permutations are intersecting if they both map some $i$ to the same point\, equivalently\, permutations $\sigma$\nand $\pi$ are intersecting if and only if $\pi^{-1}\sigma$ has a fixed point. A set of permutations is called intersecting if any two permutations in the set are intersecting. For any transitive group the stabilizer of a point is an intersecting set. The intersection density of a permutation group is the ratio of the size of the largest intersecting set in the group\, to the size of the stabilizer of a point. If the intersection density of a group is 1\, then the stabilizer of a point is an intersecting set of maximum size. Such groups are said to have the Erd\H{o}s-Ko-Rado property.\n\nOne effective way to determine the intersection density of a group is build a graph whose vertices are the elements of the group and the edges are defined so that the cocliques (or the independent sets) in the graph are exactly the intersecting sets in the group. This graph is called the derangement graph for the group. The focus on this talk is to demonstrate several ways we can use the derangement graph to find the intersection density of a group.\n\nAn easy example of how this can be done is if the graph has a clique with the size of the degree of the group\, then the group has intersection density 1. We can also use graph homomorphisms to find bounds on the intersection density. For many small groups\, the derangement graph has a very simple form and the intersection density of the group can be easily found simply from the structure of the derangement graph. In a surprising number of cases\, eigenvalues of the derangement graph can be found using the representation theory of the group and\, using tools from algebraic graph theory\, these eigenvalues can be used to bound the size of a coclique.\n\nZoom link:\nhttps://us02web.zoom.us/j/86861499971?pwd=rTDAaju0TCu24asnaBGvkuNlT11KZ1.1\n\nMeeting ID: 868 6149 9971\nPasscode: 325258
URL:https://aarms.math.ca/event/atlantic-graph-theory-seminar-27/
LOCATION:Online via Zoom
CATEGORIES:AARMS Atlantic Graph Theory Seminar
ORGANIZER;CN="jeannette Janssen":MAILTO:jeannette.janssen@dal.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250226
DTEND;VALUE=DATE:20250227
DTSTAMP:20260610T230259
CREATED:20250121T175824Z
LAST-MODIFIED:20250121T175824Z
UID:7903-1740528000-1740614399@aarms.math.ca
SUMMARY:2025 Integration Competition
DESCRIPTION:The Integration Competition is a fun\, head-to-head competition among first-year calculus students to solve integrals\, with the winners of each matchup progressing to further rounds until a winner emerges. Participants challenge themselves to solve integral problems on-the-spot\, and in addition to generating interest and excitement in mastering this mathematical skill\, the event is used to promote mathematics more broadly to potential majors.
URL:https://aarms.math.ca/event/2025-integration-competition/
LOCATION:Saint Francis Xavier University\, 4130 University Avenue\, Antigonish\, Nova Scotia\, B2G 2W5\, Canada
CATEGORIES:AARMS outreach events
ORGANIZER;CN="Ryan Lukeman":MAILTO:rlukeman@stfx.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250215
DTEND;VALUE=DATE:20250216
DTSTAMP:20260610T230259
CREATED:20250121T120849Z
LAST-MODIFIED:20250121T120849Z
UID:7877-1739577600-1739663999@aarms.math.ca
SUMMARY:Girls STEM Up Conference 2025: connect and Conquer
DESCRIPTION:Girls STEM Up is collectively 28 women students based in Fredericton\, NB\, who are passionate about bridging the gap of gender inequity in STEM fields\, focusing on intersectionality. Founded in 2019\, with the goal of sparking necessary discussions and changing the perception of women in STEM. We have since expanded to include 60+ general members\, high school ambassadors\, and volunteers.\nOur experiences as underrepresented individuals in STEM have brought us together to promote diversity\, inclusion\, and equity in these fields through representation\, awareness\, and education. \nWe proudly host an annual conference celebrating girls’ and women in STEM’s achievements. Our event provides an extraordinary platform for women and girls to connect with like-minded individuals\, exchange valuable knowledge\, and shine spotlight to incredible success stories in STEM. This ignites passion in those pursuing STEM careers. Our sixth edition of the conference GSU: Connect and Conquer will take place in February 2025.
URL:https://aarms.math.ca/event/girls-stem-up-conference-2025-connect-and-conquer/
LOCATION:Delta Hotels by Mariott Fredericton\, 225 Woodstock Rd\, Fredericton\, New Brunswick\, Canada
CATEGORIES:AARMS sponsored events
ORGANIZER;CN="Emma Russell":MAILTO:erussel6@unb.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20250212T153000
DTEND;TZID=UTC:20250212T163000
DTSTAMP:20260610T230259
CREATED:20250211T123857Z
LAST-MODIFIED:20250211T124101Z
UID:7937-1739374200-1739377800@aarms.math.ca
SUMMARY:Atlantic Graph Theory Seminar
DESCRIPTION:Time: 3:30 pm\, Atlantic time\, (4:00 pm NST) Wednesday\, Feb. 12\nSpeaker: Robert Bailey\, Memorial University\nTitle: Computer constructions of distance-regular graphs with primitive automorphism groups\n\nAbstract:\nA graph is distance-regular if\, for each vertex $v$ and each vertex $w$ at distance $i$ from $v$\, the number of neighbours of $w$ at distances $i-1$\, $i$ or $i+1$ from $v$ depends only on $i$\, and not on the choice of $v$ or $w$.  These are highly-structured graphs with interesting structural and algebraic properties.  Many of the well-known examples have large symmetry groups.\n\nThe GAP computer algebra system contains libraries of primitive permutation groups (i.e. those which preserve no interesting equivalence relations).  With the assistance of my undergraduate research students\, I have been analyzing these libraries with the ultimate aim of classifying the distance-regular graphs with such groups as automorphism groups.  In this talk\, I will discuss the status of this work\, a few surprises which came up along the way\, and some (theoretical and computational) questions which remain open.\n \nZoom link:\nhttps://us02web.zoom.us/j/86861499971?pwd=rTDAaju0TCu24asnaBGvkuNlT11KZ1.1\n\nMeeting ID: 868 6149 9971\nPasscode: 325258
URL:https://aarms.math.ca/event/atlantic-graph-theory-seminar-26/
LOCATION:Online via Zoom
CATEGORIES:AARMS Atlantic Graph Theory Seminar
ORGANIZER;CN="jeannette Janssen":MAILTO:jeannette.janssen@dal.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20250205T153000
DTEND;TZID=UTC:20250205T163000
DTSTAMP:20260610T230259
CREATED:20250130T120621Z
LAST-MODIFIED:20250130T120621Z
UID:7934-1738769400-1738773000@aarms.math.ca
SUMMARY:Atlantic Graph Theory Seminar
DESCRIPTION:Kemeny’s constant for Markov chains and random walks on graphs\nSpeaker: Jane Breen\, Ontario Tech University\n\nKemeny’s constant is an interesting and useful quantifier of how well-connected the states of a Markov chain are. Though it was first introduced in the 1960s\, interest in this concept has recently exploded. This talk will provide an introduction to Markov chains\, an overview of the history of Kemeny’s constant\, discussion of some applications\, and a survey of recent results\, with an emphasis on those where the combinatorial structure of the Markov chain is of interest. This comes to the forefront when the Markov chain in question is a random walk on a graph\, in which case Kemeny’s constant is interpreted as a measure of how `well-connected’ the graph is.\n \nZoom link:\nhttps://us02web.zoom.us/j/86861499971?pwd=rTDAaju0TCu24asnaBGvkuNlT11KZ1.1\n\n\nMeeting ID: 868 6149 9971\nPasscode: 325258
URL:https://aarms.math.ca/event/atlantic-graph-theory-seminar-25/
LOCATION:Online via Zoom
CATEGORIES:AARMS Atlantic Graph Theory Seminar
ORGANIZER;CN="jeannette Janssen":MAILTO:jeannette.janssen@dal.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20250131T120000
DTEND;TZID=UTC:20250131T130000
DTSTAMP:20260610T230259
CREATED:20250127T120717Z
LAST-MODIFIED:20250127T120717Z
UID:7928-1738324800-1738328400@aarms.math.ca
SUMMARY:CRG Seminar: Modelling Fish Stock Biomass Dynamics in a Multi-gear Fishery and Determining the Stock Status
DESCRIPTION:Abstract: A marine fishery is an important sector in many countries as it contributes towards the nutritional requirements of people and provides income and employment to the associated population. Compared to other natural resources fish being a living resource has the capacity for rebuilding through reproduction. Sustainable management of the marine fishery resources is very important to avoid resource depletion as well as collapse. Biomass of individual species needs to be estimated and its dynamics have to be studied regularly for determining vital reference points such as maximum sustainable yield and its use for sustainable management of the fish stocks. An important model used for studying the biomass dynamics of marine fish stocks is the biomass dynamics model and its modified versions. The necessary information required for such study is time series data on fish catch and fishing effort in terms of number of hours of fishing. Most of the fisheries are of multi-species and multi-gear nature with each fishing gear targeting more than one fish species. Hence biomass dynamics models admitting multi-gear type of harvest are most suited for marine fishery management. Annual fish catch along with fishing effort of a group of fishing gears contributing to the catch are simultaneously used in these models to estimate biomass and other model parameters to make conclusions for fisheries management. One of these models applied to the marine fish stocks in India is the focus of this presentation. \nWebex Link: \nJoin from the meeting link \nhttps://mun.webex.com/mun/j.php?MTID=mde5a7b5680e65bb5f262aacc24d5c \n0df \n  \nJoin by meeting number \nMeeting number (access code): 2773 424 0869 \nMeeting password: PdmbjZyU527
URL:https://aarms.math.ca/event/crg-seminar-modelling-fish-stock-biomass-dynamics-in-a-multi-gear-fishery-and-determining-the-stock-status/
LOCATION:online via webex
ORGANIZER;CN="Asokan Mulayath Variyath":MAILTO:variyath@mun.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20250129T153000
DTEND;TZID=UTC:20250129T163000
DTSTAMP:20260610T230259
CREATED:20250124T114752Z
LAST-MODIFIED:20250124T115307Z
UID:7921-1738164600-1738168200@aarms.math.ca
SUMMARY:Atlantic Graph Theory Seminar
DESCRIPTION:Switching m-edge coloured graphs\nSpeaker: Gary MacGillivray\, University of Victoria\n\nAbstract:\n\nAn m-edge-coloured graph consists of a set of vertices\, any two of which are either joined by an edge of one of m colours or not joined at all. The operation of switching at a vertex v of an m-edge-coloured graph with respect to an element of a subgroup \Gamma of S_m  permutes the colours of the edges incident with v.  Switching defines an equivalence relation on the set of all m-edge-coloured graphs;  G and H are \Gamma-switch-equivalent if there exists a sequence of switches that transform G into H. \nWe consider the following problems and their solutions.  For a fixed subgroup \Gamma of S_m:\n1) determine the number of equivalence classes of k-vertex m-edge-coloured graphs under switching with respect to \Gamma.\n2) how hard is it to determine whether given m-edge-coloured graphs G and H are \Gamma-switch equivalent?\n3) for a fixed m-edge-coloured graph H\, how hard is it to determine whether a given m-edge-coloured graph G can be switched with respect to \Gamma so that there is a homomorphism of the transformed m-edge-coloured graph to H?  (A homomorphism is a mapping of V(G) to V(H) that preserves edges and colours.) \nWe will also discuss extending these results to (m\,n)-mixed graphs.  These have m different colours of edges and n different colours of arcs. \n\n \nZoom link:\nhttps://us02web.zoom.us/j/86861499971?pwd=rTDAaju0TCu24asnaBGvkuNlT11KZ1.1\n\n\nMeeting ID: 868 6149 9971\nPasscode: 325258
URL:https://aarms.math.ca/event/atlantic-graph-theory-seminar-24/
LOCATION:Online via Zoom
CATEGORIES:AARMS Atlantic Graph Theory Seminar
ORGANIZER;CN="jeannette Janssen":MAILTO:jeannette.janssen@dal.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250124
DTEND;VALUE=DATE:20250127
DTSTAMP:20260610T230259
CREATED:20240516T165538Z
LAST-MODIFIED:20240516T165538Z
UID:7619-1737676800-1737935999@aarms.math.ca
SUMMARY:Combinatorial Algebra meets Algebraic Combinatorics 22nd annual workshop
DESCRIPTION:The Combinatorial Algebra meets Algebraic Combinatorics (CAAC) workshop is an annual meeting taking place in Canada since 2004\, with a focus on the continuously evolving interactions between combinatorial algebra and algebraic combinatorics. These meetings provide a strong connection between the two communities and help with the development of these fields. Historically\, the CAAC meetings provided opportunities for graduate students\, postdoctoral fellows\, and early career researchers to present their work\, learn about new research directions in related fields\, and establish future collaborations. The 22nd Annual CAAC conference will take place at the York University from Friday\, January 24\, 2025\, to Sunday\, January 26\, 2025. CAAC 2025 will include four invited 50-minute lectures\, a collection of contributed talks given by graduate students and postdoctoral fellows\, a poster session\, and time for informal social and scientific interactions.
URL:https://aarms.math.ca/event/combinatorial-algebra-meets-algebraic-combinatorics-22nd-annual-workshop/
LOCATION:York University\, 4700 Keele Street\, Toronto\, Ontario\, M3J 1P3\, Canada
CATEGORIES:AARMS sponsored events
ORGANIZER;CN="Sara Faridi":MAILTO:sara.faridi@dal.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20250122T153000
DTEND;TZID=UTC:20250122T163000
DTSTAMP:20260610T230259
CREATED:20250118T104832Z
LAST-MODIFIED:20250118T104832Z
UID:7875-1737559800-1737563400@aarms.math.ca
SUMMARY:Atlantic Graph Theory Seminar
DESCRIPTION:Ramsey numbers of signed graphs\nBen Seamone\, Dawson College and Université de Montréal\n\nAbstract:\nNathan Acheampong (Université de Montréal) Francis Clavette (Université de Montréal)\nGeˇna Hahn (Université de Montréal) Margaux Marseloo (Université Paris-Saclay) Viktor\nPaardekooper (Université de Montréal)\, and Ben Seamone* (Dawson College & Université de Montréal)\n\nA signed graph is a pair (G\, σ) where G = (V\,E) is a graph and σ : E(G) → {+\, −} is\na signature which assigns a sign to each edge of G. One well-studied operation on signed\ngraphs is that of switching at a vertex v ∈ V (G)\, by which we mean that every edge incident\nto v has its sign changed. Two signed graphs are called equivalent if one can be obtained\nfrom the other by a sequence of vertex switches.\n\nWe call a complete signed graph positive (negative) if every edge is positive (negative). We\nstudy the following Ramsey problem on signed graphs – for positive integers s and t\, what\nis the smallest n such that every signed complete graph on n vertices has an equivalent\nsigned complete graph containing either a negative Ks or positive Kt? This “signed Ramsey\nnumber” is denoted r±(s\, t). We show how a variety of approaches lead to upper and lower\nbounds on r±(s\, t)\, settle an open problem by establishing the exact value of r±(4\, t) for\nevery t\, and determine the asymptotics of r±(5\, t) and r±(6\, t).\n \nZoom link:\nhttps://us02web.zoom.us/j/86861499971?pwd=rTDAaju0TCu24asnaBGvkuNlT11KZ1.1\n\nMeeting ID: 868 6149 9971\nPasscode: 325258
URL:https://aarms.math.ca/event/atlantic-graph-theory-seminar-23/
LOCATION:Online via Zoom
CATEGORIES:AARMS Atlantic Graph Theory Seminar
ORGANIZER;CN="jeannette Janssen":MAILTO:jeannette.janssen@dal.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20250115T153000
DTEND;TZID=UTC:20250115T163000
DTSTAMP:20260610T230259
CREATED:20250110T114756Z
LAST-MODIFIED:20250110T114821Z
UID:7869-1736955000-1736958600@aarms.math.ca
SUMMARY:Atlantic Graph Theory Seminar
DESCRIPTION:Speakers: Prangya Parida\, U. Ottawa\, and Kiara McDonald\, U. Victoria\nZoom link:  https://us02web.zoom.us/j/86415230827?pwd=QUxLUnlMdWYzL05zSUJ4bnBCOUJnZz09\n\n—————————————————\nPrangya Parida:\nTitle: Cover-free families on graphs\n\nAbstract: A family of subsets of a t-set is called a d-cover-free family if no subset is contained in the union of any d other subsets. We denote by t(d\, n) the minimum  t for which there exists a d-cover-free family of a t-set with n subsets. Cover-free families (CFF) have wide applications in combinatorial group testing\, where a d-CFF(t\, n) can be used to identify d defective items in a group of n items with t tests. It is well-known that t(1\, n) can be obtained by applying the famous Sperner’s Theorem. For d \geq 2\, we rely on bounds for t(d\, n).  Erdös\, Frankl\, and Füredi provided bounds for t(2\, n) using the probabilistic method\, given by 3.106 \log(n) < t(2\, n) < 5.512 \log(n). Using a derandomization technique\, Porat and Rothschild presented a deterministic polynomial-time algorithm to construct d-CFFs that achieves t = O(d^2 \log(n)). Some upper bounds on t(2\, n) (in some cases exact bounds) for small values of n are provided by Li\, van Rees\, and Wei in 2006.\n   In this talk\, we extend the definition of a cover-free family to include a graph G\, which we denote as \overline{G}-CFF\, where the edges of the graph specify the pair of subsets whose union must not cover any other subset. We denote by t(G)  the minimum t for which there exists a \overline{G}-CFF. The traditional 2-CFF(t\, n) is a special case of \overline{G}-CFF when G  is a complete graph of n vertices. This generalization of cover-free families provides a richer combinatorial structure  that lies between being a 1-CFF and a 2-CFF.\n   We will discuss some classical results on cover-free families\, along with general constructions of \overline{G}-CFFs\, as well as specific constructions for certain families of graphs. We prove that for a graph G with n vertices\,  t(1\, n) \leq t(G) \leq t(2\, n) and show that for an infinite family of Star graphs S_n with n vertices\, t(S_n) = t(1\, n). Interestingly\, we also give a construction of CFFs on a Path (P_n) or Cycle (C_n) with n vertices using a mixed-radix Gray code. This yields an upper bound for t(P_n) and t(C_n) that is smaller than the lower bound of t(2\, n) mentioned above.\n   This is joint work with Lucia Moura.\n\n——————————————————\nKiara McDonald:\nTitle: Broadcast Independence in Trees\n\n\nAbstract: In the area of Graph Theory\, the well-known problems of domination\, packing and independence are generalized by broadcast domination\, broadcast packing and broadcast independence. As an analogy and application\, consider a city\, where one wants to place cell towers of different signal strengths subject to certain conditions. If every building in the city hears the signal from at least (respectively at most) one tower\, then the broadcast is dominating (respectively  packing). If no tower hears the signal from another tower\, the broadcast is independent. The sum of the tower signal strengths is called the cost of the broadcast. The total cost of a maximum independent broadcast is called the broadcast independence number. \nOur research was focused on determining explicit formulas and polynomial time algorithms for the broadcast independence number of various types of graphs. This parameter is difficult to compute for graphs in general\, so we restrict the problem to specific classes of graphs to make use of their special structural properties to solve the problem. For a graph from a given class\, we constructed a new graph\, called the broadcast ball intersection graph. We were able to show that if the broadcast ball intersection graph is weakly chordal\, then broadcast independence is polynomial time solvable for the given class of graphs. In this talk\, we will focus on the broadcast ball intersection graph of trees. This talk is based on joint work with Richard Brewster (TRU) and Jing Huang (UVic).
URL:https://aarms.math.ca/event/atlantic-graph-theory-seminar-22/
LOCATION:Online via Zoom
CATEGORIES:AARMS Atlantic Graph Theory Seminar
ORGANIZER;CN="jeannette Janssen":MAILTO:jeannette.janssen@dal.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20241219T133000
DTEND;TZID=UTC:20241219T143000
DTSTAMP:20260610T230259
CREATED:20241210T171024Z
LAST-MODIFIED:20241210T171024Z
UID:7849-1734615000-1734618600@aarms.math.ca
SUMMARY:AARMS Doctoral Thesis Award Winner Seminar
DESCRIPTION:A tangent category approach to operadic geometry\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nMarcello Lanfranchi\nDecember 19\, 2024 @ 1:30pm\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nAbstract:\nA tangent category consists of a collection of abstract objects equipped with a structure\, called a tangent structure\, which makes those abstract objects into locally linear geometric spaces.\nIn my thesis\, I introduced and studied a list of geometric theories from the perspective of tangent category theory. In particular\, I showed that each (opposite) category of algebras\, such as associative\, commutative\, or Lie algebras\, comes equipped with a tangent structure which allows one to regard those algebraic objects as “operadic” affine schemes; I then extended some constructions of algebraic geometry to this context. \nIn this talk\, I would like to introduce you to the wonderful world of tangent category theory\, briefly recall the notion of an operad and its algebras\, construct the algebraic and the geometric tangent categories of an operad\, and\, time permitting\, briefly discuss some constructions such as vector fields\, the slice tangent category\, and differential bundles. \nPart of the research for this project was done in collaboration with Sacha Ikonicoff (Université de Strasbourg) and Jean-Simon Pacaud Lemay (Macquarie University). \nAbout the speaker:\nDr. Marcello Lanfranchi is one of the winners of this year’s AARMS Doctoral Thesis Award.  He received his PhD from Dalhousie University in October 2024 under the supervision of Dr. Geoffrey Crutwell and Dr. Dorette Pronk for a thesis entitled “A tangent category approach to operadic geometry”. \nJoin Zoom Meeting\nhttps://us02web.zoom.us/j/84617802983pwd=G3iuPGSpsNtaitc37sSVNXbbpeU0Oa.1 \nMeeting ID: 846 1780 2983\nPasscode: 742868
URL:https://aarms.math.ca/event/aarms-doctoral-thesis-award-winner-seminar/
LOCATION:Online via Zoom
ORGANIZER;CN="Geoffrey Cruttwell":MAILTO:gcruttwell@mta.ca
END:VEVENT
END:VCALENDAR