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DTSTART;VALUE=DATE:20210503
DTEND;VALUE=DATE:20210508
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SUMMARY:Groups acting on Trees: minicourse by Olga Kharlampovich
DESCRIPTION:From May 3\, 2021 to May 7\, 2021\, Professor O. Kharlampovich from City University of New York will teach a mini course on Groups acting on Trees. Due to the current situation caused by the corona virus disease\, the mini course will take place virtually. \nBass-Serre theory relates group actions on trees with decomposing groups as iterated applications of the operations of amalgamated product and HNN extension\, via the notion of the fundamental group of a graph of groups. \nOne of the generalizations of Bass-Serre theory is the theory of isometric group actions on real trees (R-trees) which are metric spaces generalizing the graph-theoretic notion of a tree. Group actions on R-trees arise naturally in geometric topology\, as well as in geometric group theory. Asymptotic cones of groups often have a tree-like structure and give rise to group actions on real trees. The use of R-trees and $\Lambda$ -trees\, in particular Zn-trees\, together with Bass-Serre theory\, are key tools in the work on the elementary theory of a free group by Kharlampovich-Miasnikov and Sela. \nThe course will be suitable for undergraduates\, graduate students\, postdocs\, faculty\, and anyone interested in algebra. The internet address for the virtual meeting room will be available at https://www.mun.ca/aac/AACMiniCourses/olga/ \nThe mini course will take place from 10 to 10:50 Eastern Standard Time.
URL:https://aarms.math.ca/event/groups-acting-on-trees-minicourse-by-olga-kharlampovich/
LOCATION:Online via Zoom
CATEGORIES:AARMS schools and minicourses
ORGANIZER;CN="Yuri Bahturin":MAILTO:bahturin@mun.ca
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DTSTART;VALUE=DATE:20210504
DTEND;VALUE=DATE:20210507
DTSTAMP:20260614T041613
CREATED:20210205T172829Z
LAST-MODIFIED:20210310T130424Z
UID:5791-1620086400-1620345599@aarms.math.ca
SUMMARY:Canadian Student and Postdoc Conference on Gravity
DESCRIPTION:The Canadian Student and Postdoc Conference on Gravity (CSPCG) will provide a forum for both Canadian and international graduate students and postdocs to gather and present their research. It invites submissions for talks covering all aspects of gravitational research\, including mathematical and numerical relativity\, quantum gravity\, string-theoretic approaches to gravity\, gravitational waves\, relativistic astrophysics\, and cosmology. It will run as a virtual event from May 4-6\, 2021\, creating an accessible platform for students and postdocs who do not necessarily have the financial resources or ability to travel. The CSPCG is committed to diversity and inclusivity; and welcomes all participants\, including women; people of any sexual orientation\, gender identity\, or gender expression; Indigenous peoples; visible minorities/racialized people; and people with disabilities.
URL:https://aarms.math.ca/event/canadian-student-and-postdoc-conference-on-gravity/
LOCATION:Online via Zoom
CATEGORIES:AARMS workshops and conferences
ORGANIZER;CN="Turkuler Durgut":MAILTO:tdurgut@mta.ca
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DTSTART;TZID=America/Halifax:20210517T150000
DTEND;TZID=America/Halifax:20210517T163000
DTSTAMP:20260614T041613
CREATED:20200615T150024Z
LAST-MODIFIED:20210514T153212Z
UID:5846-1621263600-1621269000@aarms.math.ca
SUMMARY:AARMS COVID-19 Seminar:  Madeleine Gorman-Asal (University of New Brunswick Fredericton)
DESCRIPTION:Using a Mathematical Model to Investigate the Efficacy of Asymptomatic Testing to Detect SARS-CoV-2\nA mathematical model was constructed to investigate the efficacy of asymptomatic testing for SARS-CoV-2 detection. Preliminary data suggests that the stage of disease at the time of testing impacts its efficacy. The probability of being detected by the asymptomatic test was compared by the number of days waited until taking the test since arrival given the unknown state of disease at arrival\, the variability of the infectious period and whether case detection efforts were undergone prior to arrival. It was found that if assuming an equal probability of being in the incubation stage or an asymptomatic infectious stage\, waiting until the fifth day since arrival to be tested is the earliest testing date that results in more detected than undetected cases. Additionally\, in the 50% of COVID-19 cases with an infectious period longer than 22 days\, there are limited differences in the probability of being detected when tested within the first 2\, 5 or 8 days since arrival. \nThis is a virtual zoom seminar.  If you would like to attend\, please email the organizers for connection details.  All times are given in the Atlantic timezone.
URL:https://aarms.math.ca/event/aarms-covid-19-seminar-2021-05-17/
LOCATION:Zoom seminar
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20210519
DTEND;VALUE=DATE:20210522
DTSTAMP:20260614T041613
CREATED:20210205T174428Z
LAST-MODIFIED:20210205T174428Z
UID:5797-1621382400-1621641599@aarms.math.ca
SUMMARY:Blundon Seminar Math Camp
DESCRIPTION:The Blundon Seminar is an annual (since 1982) three-day math\ncamp for senior high school students from Newfoundland who are\ninterested in mathematics and demonstrate consistently good\nperformance in mathematics competitions. Participation in the math\ncamp is by invitation only based on the results of preceding Blundon\,\nCOMC\, Euclid\, Fermat\, and Cayley contests. During the seminar the\nstudents attend two one-hour talks given by professors from MUN on\nvarious mathematical topics and applications in science and\nengineering. There are several problem solving sessions as well as\nother activities such as Mathletics and Papers Chase. The winner of\nBlundon Contest is presented with the Blundon Shield\, and the\nwinners of other contests are also presented with money and book\nprizes. The awards for the best results in mathematics competitions\nare presented during the banquet\, where a collective photo is taken\nas well.
URL:https://aarms.math.ca/event/blundon-seminar-math-camp-2/
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
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DTSTART;TZID=America/Halifax:20210531T150000
DTEND;TZID=America/Halifax:20210531T163000
DTSTAMP:20260614T041613
CREATED:20200615T150024Z
LAST-MODIFIED:20210521T153841Z
UID:5850-1622473200-1622478600@aarms.math.ca
SUMMARY:AARMS COVID-19 Seminar:  Tom Hurd (McMaster)
DESCRIPTION:From Agent Based Infectious Disease Models to Compartment Models\nThere are lots of potential agent based approaches to COVID modelling\, and it is of interest to try to connect them to more standard compartment ODE models. To what extent can any ODE model capture the properties of a given ABM? The Inhomogeneous Random Social Network (IRSN) framework I have developed recently provides an explicit setting where such questions can be explored mathematically. The IRSN approach starts with a finite number N of heterogeneous agents that interact according to \ AB type rules. Under some conditions\, one can analyze their large N limit\, and under even more conditions\, derive a limiting standard stratified compartment ODE model. The IRSN framework can be made arbitrarily fine-grained in many dimensions\, including demographic classification\, immunology (multiple variants)\, contact settings (types of contact locations) but only certain combinations of features are relevant to the ODE limit. ABMs capture characteristics such as non-homogeneous mixing that are not easily captured in any ODE model\, so they help to understand the impact of such characteristics on disease propagation. \nIRSN Model Paper: https://www.sciencedirect.com/science/article/pii/S2468042720300713 \nMore information about this seminar series.  This is a virtual zoom seminar.  If you would like to attend\, please email the organizers for connection details.  All times are given in the Atlantic timezone.
URL:https://aarms.math.ca/event/aarms-covid-19-seminar-2021-05-31/
LOCATION:Zoom seminar
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