Past Events
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, Seminar
05C50 Online Seminar: Kevin Vander Meulen
October 11, 2024
Online
The signs of the entries of a real matrix can give insight into the eigenvalues of the matrix. A well-known example is the Perron Frobenius theorem for matrices that have no negative entries. As an inverse eigenvalue problem, one can ask for the...
Scientific, Seminar
UBC DG MP PDE Seminar: Chen-Chih Lai
October 10, 2024
Online
We study the thermal decay of bubble oscillations in an incompressible fluid with surface tension. Particularly, we focus on the isobaric approximation [Prosperetti, JFM, 1991], under which the gas pressure within the bubble is spatially uniform and...
Scientific, Seminar
UBC Harmonic Analysis and Fractal Geometry/ Discrete Math Seminar: Hong Wang
October 10, 2024
University of British Columbia
We prove some Szemeredi-Trotter type estimates for tubes in the plane under some natural assumptions. Joint works with Ciprian Demeter and with Shukun Wu (in progress), which are based on the Furstenberg sets estimate proved by Orponen-Shmerkin, and...
Scientific, Seminar
URegina Topology & Geometry Seminar: Martin Frankland
October 10, 2024
University of Regina
In this third part, we will discuss orientations of manifolds, Poincaré duality, and the intersection product.
Scientific, Seminar
UVictoria Discrete Math Seminar: Natasha Morrison
October 10, 2024
University of Victoria
We show that \((n,d,\lambda)\)-graphs with \(\lambda=O(d/log^3n)\) are universal with respect to all bounded degree spanning trees. This significantly improves upon the previous best bound due to Han and Yang, and makes progress towards a problem of...
Scientific, Seminar
UW Combinatorics and Geometry Seminar: Daoji Huang
October 9, 2024
University of Washington
Influential work of Hodge from the 1940s led the way in using Gröbner bases to combinatorially study the Grassmannian. In this talk, we will follow Hodge's approach in order to investigate certain subvarieties called positroid varieties. Positroid...
Scientific, Seminar
UBC Probability Seminar: Milind Hegde
October 9, 2024
University of British Columbia
In the colored asymmetric simple exclusion process, one places a particle of "color" −k at each integer site k∈ℤ. Particles attempt to swap places with an adjacent particle: at rate q∈[0,1) if they are initially ordered (e.g., 1 then 2) and at rate 1...