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31 Flower Hour
Flower Hour Speaker: TBA (Western) "TBA" Time: 11:00 - 12:00 Room: WSC 187 Applied dynamical system seminar
Applied dynamical system seminar Speaker: Qian Qin (Western) "TBA" Time: 11:30 - 12:30 Room: MC 204 Introduction: Topics of these seminars include differential equations (ODEs, PDEs, DDEs, FDEs, etc.), dynamical systems theory, and their applications (often in mathematical biology). To get the brain gears turning, each session will kick off with a fun trivia! Geometry and Combinatorics
Geometry and Combinatorics Speaker: Leo Jiang (University of Toronto) "Topology of real matroid Schubert varieties" Time: 15:30 - 16:30 Room: MC 108 Every linear representation of a matroid determines a matroid Schubert variety whose geometry encodes combinatorics of the matroid. When the representation is over the real numbers, we study the topology of the real points of the variety. Our main tool is an explicit cell decomposition, which depends only on the oriented matroid structure and can be extended to define a combinatorially interesting topological space for any oriented matroid. This is joint work with Yu Li. |
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2 Final Presentation
Final Presentation Speaker: Chloe Clohosey (Western) "Analyzing a network trained on simulated random reach trajectories of a six muscle arm using matrix spectra" Time: 11:30 - 12:30 Room: MC 107 Movement is fundamental to life as it is what allows us to interact with our environment. Daily tasks from walking to speaking are the result of voluntary muscle control. The brain center that controls voluntary motion is the motor cortex. We can model the motor cortex using Artificial Neural Networks. Although these models are computationally powerful, they are not typically analytically solvable. However, recently it has been shown that there are networks that can perform computations and which can be solved mathematically. In this presentation we explore these networks in the context of modelling the motor cortex, and how they can be used to capture motor trajectories of a six-muscle arm. We will then discuss the mathematical analysis done on a network which can model motor behaviour and which is solvable. This analysis involves concepts from Spectral Analysis and Linear Algebra. |
3 Department Meeting
Department Meeting Speaker: (Western) "N/A" Time: 15:30 - 16:30 Room: |
4 Transformation Groups Seminar
Transformation Groups Seminar Speaker: Vladimir Gorchakov (Western) "Cup-products for the polyhedral product functor" Time: 09:30 - 11:00 Room: MC 108 We will discuss the article "Cup-products for the polyhedral product functor" by A. Bahri, M. Bendersky, F. R. Cohen, and S. Gitler. |
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Flower Hour
Flower Hour Speaker: TBA (Western) "TBA" Time: 11:00 - 12:00 Room: WSC 187 Applied dynamical system seminar
Applied dynamical system seminar Speaker: Qian Guo (Western) "TBA" Time: 11:30 - 12:30 Room: MC 204 Introduction: Topics of these seminars include differential equations (ODEs, PDEs, DDEs, FDEs, etc.), dynamical systems theory, and their applications (often in mathematical biology). To get the brain gears turning, each session will kick off with a fun trivia! Geometry and Combinatorics
Geometry and Combinatorics Speaker: Jonathan Leake (Waterloo) "Log-concavity and Sampling via Lorentzian Polynomials on Cones" Time: 15:30 - 16:30 Room: MC 108 In this talk, we demonstrate a strong connection between log-concavity statements and sampling algorithms. In particular, we will present and discuss two general results (one log-concavity and one sampling) on the facets of certain simplicial complexes which generalize the set of chains in distributive or matroid lattices. With the time that remains, we will discuss how these two results can be derived from a single unified framework via Lorentzian polynomials on cones. Joint work with Kasper Lindberg and Shayan Oveis Gharan. |
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Colloquium
Colloquium Speaker: Anif Shikder, Prajwal Udanshive, Kumar Shukla (PhD Candidates) (Western) "Mathematics Departmental Presentations 2025" Time: 15:30 - 16:30 Room: MC 107 |
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Applied dynamical system seminar
Applied dynamical system seminar Speaker: Dr. Jing Chen (Western) "TBA" Time: 11:30 - 12:30 Room: MC 204 Introduction: Topics of these seminars include differential equations (ODEs, PDEs, DDEs, FDEs, etc.), dynamical systems theory, and their applications (often in mathematical biology). To get the brain gears turning, each session will kick off with a fun trivia! Geometry and Combinatorics
Geometry and Combinatorics Speaker: Graham Denham (Western) "Tree metrics, polynomial log-concavity and valuated matroids" Time: 15:30 - 16:30 Room: MC 108 TBA |
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Geometry and Topology
Geometry and Topology Speaker: Daniel Minahan (University of Chicago) "TBA" Time: 15:30 - 16:30 Room: MC 108 |
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