Past Events
Scientific, Seminar
PIMS-CORDS SFU Operations Research Seminar: Gabriel Jarry-Bolduc
October 17, 2024
Simon Fraser University
The cosine measure is a tool that tells you how well a set of directions is covering the space $\mathbb{R}^n$. In this talk, we extend the concept of cosine measure by defining the cosine measure relative to a subspace. This novel definition might be...
Scientific, Seminar
UCalgary Algebra and Number Theory Seminar: Gaurav Patil
October 17, 2024
Online
We describe parametrizations of rings that generalize the notions of monogenic rings and binary rings. We use these parametrizations to give better lower bounds on the number of number fields of degree n and bounded discriminant.
Scientific, Colloquia
PIMS Network Wide Colloquium: Sheehan Olver
October 17, 2024
Online
When particles interact with attractive-repulsive dynamics, which can model birds flocking, space dust, or a variety of other phenomena, they tend to form a nice distribution. Understanding these distributions is an active area of applied analysis...
Scientific, Seminar
UVictoria Probability and Dynamics Seminar: Leonie Papon
October 17, 2024
Online
I will present a coupling between a massive planar Gaussian free field (GFF) and a random curve in which the curve can be interpreted as the level of the field. This coupling is constructed by reweighting the law of the standard GFF-SLE_4 coupling. I...
Scientific, Seminar
UVictoria Discrete Math Seminar: Hermie Monterde
October 17, 2024
University of Victoria
A network of interacting qubits (usually subatomic particles) can be modelled by a connected weighted undirected graph $G$. The vertices and edges of $G$ represent the qubits and their interactions in the network, respectively. Quantum mechanics...
Scientific, Seminar
UW Combinatorics and Geometry Seminar: Scott Neville
October 16, 2024
University of Washington
Quivers and their mutations play a fundamental role in the theory of cluster algebras. We focus on the problem of deciding whether two given quivers are mutation equivalent to each other. Our approach is based on introducing an additional structure...
Scientific, Seminar
UBC Probability Seminar: Giuseppe Genovese
October 16, 2024
University of British Columbia
Hopfield proposed in 1982 as a simple model capable to store and successively retrieve a number of high dimensional patterns, which represents nowadays a cornerstone of the early AI studies. The Hopfield model can be studied from the angle of...
Scientific, Seminar
UBC Math Bio Seminar: Nilima Nigam
October 16, 2024
University of British Columbia
Skeletal muscle is composed of cells collectively referred to as fibers, which themselves contain contractile proteins arranged longtitudinally into sarcomeres. These latter respond to signals from the nervous system, and contract; unlike cardiac...
Scientific, Seminar
L-functions in Analytic Number Theory: Saloni Sinha
October 15, 2024
Online
We study sums of the form ∑n≤x f(n) n⁻ⁱʸ, where f is an arithmetic function, and we establish an equivalence between the Riemann Hypothesis and estimates on these sums. In this talk, we will explore examples of such sums with specific arithmetic...
Scientific, Colloquia
UBC Math Department Colloquium: Hong Wang
October 11, 2024
University of British Columbia
Given a set T of distinct \delta-tubes and a set P of disjoint \delta-balls in R^n, the set of incidences between T and P is defined as I(P,T)={(p,l)∈P×T:p∩l≠∅}. The well-known Szemeredi-Trotter theorem in combinatorics studies a discrete analogue...