Past Events
Scientific, Distinguished Lecture
PIMS - UWashington Math Colloquium: Heather Lee
November 13, 2021
Online
Mirror symmetry is a duality between symplectic geometry and complex geometry. The homological mirror symmetry (HMS) conjecture was formulated by Kontsevich in 1994 to fully capture this phenomenon for compact Calabi-Yau manifolds. Since then, it has...
Scientific, Seminar
SFU: Applied Math Seminar - Eric Jones
November 12, 2021
Simon Fraser University
Abstract: The generalized Lotka-Volterra (gLV) equations describe the population dynamics of a set of interacting species, and are a classic model in theoretical ecology. As the number of species in these systems grow in number, their dynamics become...
Scientific, Seminar
UBC Math Biology Seminar: Thomas Hillen
November 11, 2021
Online
The tumor invasion paradox relates to the artifact that a cancer that is exposed to increased cell death (for example through radiation), might spread and grow faster than before. The presence of cancer stem cells can convincingly explain this effect...
Scientific, Distinguished Lecture
CRG on Movement and Symmetry in Graphs Distinguished Lecture Series: Cheryl E Praeger
November 10, 2021
Online
The talk is about finite connected 4-valent graphs admitting an edge-transitive and vertex-transitive subgroup \(G\) of automorphisms which preserves an orientation of the edges. But I will first talk about the general approach to describing families...
Scientific, Distinguished Lecture
ULethbridge - Number Theory and Combinatorics Seminar: Angsuman Das
November 10, 2021
University of Lethbridge
Associating graphs with groups date back to Arthur Cayley. In this lecture, we will discuss about another graph, called co-maximal subgroup graph Γ( G) introduced by Akbari et al. in [1]. The co-maximal subgroup graph Γ( G) of a group G whose...
Scientific, Seminar
UVic Probability and Dynamics Seminar: Elizabeth Carlson
November 10, 2021
University of Victoria
One of the challenges of the accurate simulation of turbulent flows is that initial data is often incomplete. Data assimilation circumvents this issue by continually incorporating the observed data into the model. A new approach to data assimilation...
Scientific, Distinguished Lecture
The PIMS Postdoctoral Fellow Seminar: Sacha Ikonicoff
November 10, 2021
Online
Divided power algebras were defined by H. Cartan in 1954 to study the homology of Eilenberg-MacLane spaces. They are commutative algebras endowed, for each integer n, with an additional monomial operation. Over a field of characteristic 0, this...
Scientific, Seminar
UBC DG-MP-PDE Seminar: Ruoci Sun
November 9, 2021
Online
Abstract: This presentation is dedicated to describing the complete integrability of the Benjamin–Ono (BO) equation on the line when restricted to every N-soliton manifold, denoted by UN . We construct (generalized) action–angle coordinates which...
Scientific, Seminar
PIMS - SFU Discrete Math Seminar: Andrei Bulatov
November 9, 2021
Simon Fraser University
Abstract:
The Constraint Satisfaction Problem (CSP) provides a general framework for a wide range of combinatorial problems. The simplest way to state the problem is: Given relational structures (say, graphs) G and H, decide if there is a...
Scientific, Distinguished Lecture
PIMS-SFU Computational Math Seminar: Thomas Hillen
November 5, 2021
Simon Fraser University
Abstract. The mathematical modelling of metastasis is a challenge. The occurrence of metastasis is basically random, and the role of the immune response is not at all clear. In this talk I will discuss two models, one for the spatial spread of...