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BEGIN:VEVENT
DTSTART;TZID=UTC:20251105T153000
DTEND;TZID=UTC:20251105T170000
DTSTAMP:20260610T223729
CREATED:20251031T101807Z
LAST-MODIFIED:20251031T101807Z
UID:8357-1762356600-1762362000@aarms.math.ca
SUMMARY:Atlantic Graph Theory Seminar
DESCRIPTION:Date and Time: Wednesday\, November 5\, 3.40 pm Atlantic time\nSpeaker: Kalina Petrova\, Institute of Science and Technology Austria\nTitle: Cameron’s conjecture on random Latin squares\n\nAbstract: A conjecture of Cameron states that the distribution of the number of odd rows in an n x n uniformly random Latin square is approximately binomial with n trials and success probability 1/2. We prove this conjecture in several different senses\, including total variation convergence\, a local central limit theorem\, and a large deviation principle. In fact\, we prove a generalisation for the joint distribution of the number of odd rows\, odd columns and odd symbols\, showing they behave roughly as independent binomials. Along the way\, we introduce several general techniques for the study of random Latin squares\, including a new re-randomisation technique via “stable intercalate switchings”\, and a new approximation theorem comparing random Latin squares with a certain independent model.\nThis is joint work with Matthew Kwan and Mehtaab Sawhney.\n\nZoom link:\nhttps://us02web.zoom.us/j/88013261876?pwd=XGocyHqvseXY8metPztPoSuulEEejX.1 \nMeeting ID: 880 1326 1876\nPasscode: 357963
URL:https://aarms.math.ca/event/atlantic-graph-theory-seminar-32/
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:20251119T153000
DTEND;TZID=UTC:20251119T163000
DTSTAMP:20260610T223729
CREATED:20251112T211938Z
LAST-MODIFIED:20251112T211938Z
UID:8423-1763566200-1763569800@aarms.math.ca
SUMMARY:Atlantic Graph Theory Seminar
DESCRIPTION:Date and Time: Wednesday\, November 19\, 3.40 pm Atlantic time\nSpeaker: Rachel Kirsch\, George Mason University\nTitle: Maximizing subgraph density by double counting\n\nAbstract: This talk will highlight the use of the method of counting in two ways in recent research on maximizing subgraph density in graphs of bounded degree and clique number.\n\nZoom link:\nhttps://us02web.zoom.us/j/88013261876?pwd=XGocyHqvseXY8metPztPoSuulEEejX.1\n\nMeeting ID: 880 1326 1876\nPasscode: 357963
URL:https://aarms.math.ca/event/atlantic-graph-theory-seminar-33/
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:20251126T153000
DTEND;TZID=UTC:20251126T163000
DTSTAMP:20260610T223729
CREATED:20251123T124712Z
LAST-MODIFIED:20251123T124741Z
UID:8438-1764171000-1764174600@aarms.math.ca
SUMMARY:Atlantic Graph Theory Seminar
DESCRIPTION:Date and Time: Wednesday\, November 26\, 3.40 pm Atlantic time\nSpeaker: Himanshu Gupta\, University of Regina\nTitle: On the eigenvalues of the graphs D(5\, q)\n\n\nAbstract: In 1995\, Lazebnik and Ustimenko introduced the family of q-regular graphs D(k\, q)\, which is defined for any positive integer k and prime power q. The connected components of the graph D(k\, q) have provided the bestknown general lower bound on the size of a graph for any given order and girth to this day. Furthermore\, Ustimenko conjectured that the second largest eigenvalue of D(k\, q) is always less than or equal to 2√q\, indicating that the graphs D(k\, q) are almost Ramanujan graphs. In this talk\, we will discuss some recent progress on this conjecture. This includes the result that the second largest eigenvalue of D(5\, q) is less than or equal to 2√q when q is an odd prime power.\n\nThis is joint work with Vladislav Taranchuk.\n\n\nZoom link:\nhttps://us02web.zoom.us/j/88013261876?pwd=XGocyHqvseXY8metPztPoSuulEEejX.1\n\nMeeting ID: 880 1326 1876\nPasscode: 357963
URL:https://aarms.math.ca/event/atlantic-graph-theory-seminar-34/
LOCATION:Online via Zoom
CATEGORIES:AARMS Atlantic Graph Theory Seminar
ORGANIZER;CN="jeannette Janssen":MAILTO:jeannette.janssen@dal.ca
END:VEVENT
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