Mon, 20220523 12:00 
BEXL 328 and Zoom 
GeometryTopology Seminar 
ChungPing Lai 

Persistent Homology and Finite Group Actions 
Mon, 20220425 12:00 
BEXL 328 and Zoom 
GeometryTopology Seminar 

Woojin Kim 
Persistence diagrams via limittocolimit maps and MÃ¶bius inversions 
Mon, 20220418 12:00 
BEXL 328 and Zoom 
GeometryTopology Seminar 
David Wing 

Homotopy Type Theory  An Intersection (Collision?) of Three Worlds 
Mon, 20220411 16:00 
BEXL 328 and Zoom [different time] 
GeometryTopology Seminar 

Vanessa Robins 
Insights from the topological analysis of xray CT images of microstructured materials 
Mon, 20220404 12:00 
BEXL 328 and Zoom 
GeometryTopology Seminar 

Bradley Nelson 
Parameterized VietorisRips Filtrations via Covers 
Mon, 20220307 12:00 
WB 205 & Zoom (contact guoren@oregonstate) 
GeometryTopology Seminar 

Heather Lee 
Some examples of homological mirror symmetry 
Mon, 20220228 12:00 
WB 205 & Zoom (contact guoren@oregonstate) 
GeometryTopology Seminar 
Christine M. Escher 

Nonnegative curvature and torus actions 
Mon, 20220221 12:00 
WB 205 & Zoom (contact guoren@oregonstate) 
GeometryTopology Seminar 

Daniel Douglas 
Tropical FockGoncharov coordinates for SL3webs on surfaces 
Mon, 20220214 12:00 
WB 205 & Zoom (contact guoren@oregonstate) 
GeometryTopology Seminar 

Keegan Boyle 
An equivariant signature function for periodic and strongly invertible knots 
Mon, 20220131 12:00 
WB 205 & Zoom (contact guoren@oregonstate) 
GeometryTopology Seminar 

Yongquan Zhang 
Elementary planes in the Apollonian orbifold 
Mon, 20220124 12:00 
WB 205 & Zoom (contact guoren@oregonstate) 
GeometryTopology Seminar 

Marzieh Eidi 
Seeing Data through the lens of Geometry (Ricci Curvature) 
Mon, 20211129 12:00 
Kidd 280 or contact Christine Escher or a zoom link. 
GeometryTopology Seminar 

Stephen Wilson 
Bandedly Nonsingular Matrices and the Cayleyness of PraegerXu Graphs 
Mon, 20211122 12:00 
Kidd 280 or contact Christine Escher for a zoom link. 
GeometryTopology Seminar 

Tegan Emerson 
Flight, Fraud, and Fusion: Machine Learning Applications of Persistence Images 
Mon, 20211115 12:00 
Kidd 280 or contact Christine Escher for a zoom link. 
GeometryTopology Seminar 

Marissa Masden 
Piecewise Linear Morse Theory and Neural Networks 
Mon, 20211108 12:00 
Kidd 280 or contact Christine Escher for a zoom link. 
GeometryTopology Seminar 

Luis Scoccola 
Approximate and discrete vector bundles: theory and applications 
Mon, 20211101 12:00 
Kidd 280 or contact Christine Escher for a zoom link. 
GeometryTopology Seminar 

Laura Storch 
Topological early warning signals: Quantifying pattern evolution and the roles of dispersal and parameter drift in declining populations 
Mon, 20211025 12:00 
Kidd 280 or contact Christine Escher for a zoom link. 
GeometryTopology Seminar 

Bernadette StolzPretzer 
Applications of global and local persistent homology for the shape of biological data 
Mon, 20211011 12:00 
Kidd 280 or contact Christine Escher for a zoom link. 
GeometryTopology Seminar 
Ren Guo 

Topics in hyperbolic geometry 
Mon, 20210927 12:00 
Kidd 236 or contact Christine Escher for a zoom link. 
GeometryTopology Seminar 


GeometryTopology Seminar: Organizational Meeting 
Mon, 20210524 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Bei Wang 
Moduli Spaces of Morse Functions for Persistence: Theory and Visualization 
Mon, 20210517 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Darrick Lee 
Signatures, LipschitzFree Spaces, and Paths of Persistence Diagrams 
Mon, 20210510 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Jakob Hansen 
Cellular Sheaves, Discrete Hodge Theory, and Applications 
Mon, 20210503 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Haibin Hang 
Correspondence modules and their diagrams 
Mon, 20210426 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Stephen Wilson 
Families of Regular Hypergraphs in Regular Hypermaps 
Mon, 20210419 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Elizabeth Munch 
The Interleaving Distance for Graphical Signatures 
Mon, 20210412 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Josiah Blaisdell 
Persistent Homology of DCEMRI Data for Early Prediction of Treatment Outcomes in Breast Cancer Patients 
Mon, 20210405 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Amir Nayyeri 
TBA 
Mon, 20210329 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 


Organizational meeting. 
Mon, 20210308 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 
Patrik Nabelek 

Of Waves and Curves 
Mon, 20210301 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Peter Bubenik 
Summaries and Distances for Topological Data Analysis 
Mon, 20210222 12:00 
Zoom. Please contact Christine Escher for a link 
GeometryTopology Seminar 

Ihechukwu Chinyere 
Perfect generalized Fibonacci groups H(r,n,s) 
Mon, 20210208 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 
Christine M. Escher 

Nonnegative curvature and torus actions 
Mon, 20210201 12:00 

GeometryTopology Seminar 


No seminar this week. Please attend the colloquium at 4 pm. 
Mon, 20210125 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Stephen Wilson 
The Diagram Quest 
Mon, 20210111 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Gregory HenselmanPetrusek 
Toward OrderTheoretic Foundations of TDA: MorseWitten Theory for Real Operators 
Mon, 20210104 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 


GeometryTopology Seminar: Organizational meeting 
Mon, 20201123 12:00 
Zoom  Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Iris Yoon 
Topological Data Analysis and applications to neuroscience 
Mon, 20201109 12:00 
Zoom  Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Stephen Wilson 
Darttransitive Edgecolorings of Graphs 
Mon, 20201102 12:00 
Zoom  Please contact Christine Escher for a link. 
GeometryTopology Seminar 

Vidit Nanda 
Geometric anomaly detection in data. 
Mon, 20201026 12:00 
Zoom  Please contact Christine Escher for a link. 
GeometryTopology Seminar 
Paul Dalenberg 

A Brief Introduction to BieriStrebel Sigma Theory 
Mon, 20201019 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 
Austin Bosgraaf 

Continuous Symmetries on Closed 4Manifolds with a Lower Sectional Curvature Bound 
Mon, 20201012 12:00 
Zoom  Please contact Christine Escher for a link. 
GeometryTopology Seminar 
Arthur Mills 

The Horizon Measure: A New Perspective on Curvature 
Mon, 20201005 12:00 
Zoom  Please contact Christine Escher for a link. 
GeometryTopology Seminar 
Patrik Nabelek 

Integrable Systems in Geometry 
Mon, 20200928 12:00 
Zoom. Please contact Christine Escher for a link. 
GeometryTopology Seminar 


GeometryTopology Seminar: Organizational meeting. 
Tue, 20200519 12:00 
Zoom 
GeometryTopology Seminar 

Bala Krishnamoorthy 
Jaccard Filtration and Stable Paths in the Mapper 
Mon, 20200511 12:00 
Zoom 
GeometryTopology Seminar 
Danny Wentland 

Instability of Mappertype Algorithms for TDA 
Mon, 20200504 12:00 
Zoom 
GeometryTopology Seminar 


Covering a Domain with Sensor Nodes 
Mon, 20200427 12:00 
Zoom 
GeometryTopology Seminar 

Mitchell Black 
Faster Algorithms on Simplicial Complexes with Bounded Treewidth 1Skeleton 
Mon, 20200420 12:00 
Zoom 
GeometryTopology Seminar 

Marissa Masden 
Using Persistence Signatures in Machine Learning 
Tue, 20200414 12:00 
Zoom 
GeometryTopology Seminar 

Chad Giusti 
Some data analysis ideas from 50s algebraic topology 
Mon, 20200406 12:00 
Zoom 
GeometryTopology Seminar 

Hengrui Luo 
Lower Dimensional Topological Information: Theory and Applications 
Mon, 20200302 12:00 
Kidd 236 
GeometryTopology Seminar 

William Maxwell 
The Complexity of the Minimum Bounded Chain Problem 
Mon, 20200224 12:00 
Kidd 236 
GeometryTopology Seminar 


No seminar this week. Talk cancelled due to illness. 
Mon, 20200217 12:00 
Kidd 236 
GeometryTopology Seminar 

Amir Nayyeri 
Graph Laplacians and their higher dimensional variants 
Mon, 20200210 12:00 
Kidd 236 
GeometryTopology Seminar 


Introduction to JAVAPLEX and data set reduction in TDA 
Mon, 20200203 12:00 
Kidd 236 
GeometryTopology Seminar 
William A. Bogley 

Centrally extended triangle groups and 3manifolds 
Mon, 20200127 12:00 
Kidd 236 
GeometryTopology Seminar 

Stephen Wilson 
We started with the Platonic solids and now look where we are! 
Mon, 20200113 12:00 
Kidd 236 
GeometryTopology Seminar 

Mark Walsh 
The Space of PSCMetrics on Manifolds with Boundary or Singularities 
Mon, 20200106 12:00 
Kidd 236 
GeometryTopology Seminar 


Organizational meeting. 
Mon, 20191202 12:00 
Kidd 280 
GeometryTopology Seminar 
Arthur Mills 

Computing Homology Groups 
Mon, 20191125 12:00 
Kidd 280 
GeometryTopology Seminar 
Arthur Mills 

Computing Homology Groups with the Smith Normal Form 
Mon, 20191118 12:00 
Kidd 280 
GeometryTopology Seminar 
ChungPing Lai 

An Introduction to Cubical Homology 
Mon, 20191104 12:00 
Kidd 280 
GeometryTopology Seminar 
Danny Wentland 

Introduction to Topological Data Analysis 
Mon, 20191028 12:00 
Kidd 280 
GeometryTopology Seminar 

Xiaobo Liu 
Isoparametric submanifolds and their applications 
Mon, 20191021 12:00 
Kidd 280 
GeometryTopology Seminar 


Building Relative Spherical Pictures 
Mon, 20191007 12:00 
Kidd 280 
GeometryTopology Seminar 
Dionysus Birnbaum 

On The Logical Independence of DR and CLA 
Mon, 20190930 12:00 
Kidd 280 
GeometryTopology Seminar 


Organizational Meeting 
Mon, 20190603 12:00 
Kidd 280 
GeometryTopology Seminar 

Suresh Ramasamy 
Geometry of Locomotion. 
Mon, 20190520 12:00 
Kidd 280 
GeometryTopology Seminar 


Almost torus manifolds and nonnegative curvature. 
Mon, 20190513 12:00 
Kidd 280 
GeometryTopology Seminar 


On the Topologies of Moduli Spaces of Polygons: A Taxonomic Approach 
Mon, 20190506 12:00 
Kidd 280 
GeometryTopology Seminar 


Enumeration Problems on Symmetries of Compact Riemann Surfaces 
Mon, 20190415 12:00 
Kidd 280 
GeometryTopology Seminar 
Dionysus Birnbaum 

On the logical independence of (DR) and (CLA) 
Mon, 20190401 12:00 
Kidd 280 
GeometryTopology Seminar 


Organizational Meeting. 
Mon, 20190311 12:00 
Kidd 237 
GeometryTopology Seminar 

Leanne Merrill 
Algebraic $v_n$self maps at the prime 2. 
Mon, 20190304 12:00 
Kidd 237 
GeometryTopology Seminar 

Mariana Smit Vega Garcia 
The fractional unstable obstacle problem. 
Mon, 20190225 12:00 
Kidd 237 
GeometryTopology Seminar 


The Intersection Graph Conjecture for Square TLVs 
Mon, 20190218 12:00 
Kidd 237 
GeometryTopology Seminar 

Arunima Bhattacharya 
Schauder estimates for the Hamiltonian stationary equation. 
Mon, 20190128 12:00 
Kidd 237 
GeometryTopology Seminar 

Dami Lee 
A triply periodic polyhedral realization of Fermat's quartic. 
Mon, 20190114 12:00 
Kidd 237 
GeometryTopology Seminar 

Paul Allen 
Boundary Regularity for the Singular Yamabe Problem 
Mon, 20190107 12:00 
Kidd 237 
GeometryTopology Seminar 


Organizational Meeting 