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# Colloquia

## Upcoming Events

**Cynthia Vinzant, University of Washington**

March 1, 2024 - 3:30pm to 4:30pm

ECE 125

**Anna Gilbert, Yale University**

April 5, 2024 - 3:30pm to 4:30pm

ECE 125

**Laurent Saloff-Coste, Cornell University**

April 19, 2024 - 3:30pm to 4:30pm

ECE 125

**YanYan Li, Rutgers University**

May 10, 2024 - 3:30pm to 4:30pm

ECE 125

## Past Events

- Elliptic integrals, modular forms, and the Weierstrass zeta-function (Mario Bonk, University of California, Los Angeles) - February 9, 2024
- Reconstructing simplicial polytopes from partial information (Isabella Novik, University of Washington) - January 26, 2024
- The local-global conjecture for Apollonian circle packings is false (Katherine E. Stange (University of Colorado, Boulder)) - December 1, 2023
- Hitting the High-D(imensional) Notes: Stochastic Gradient Descent Learning Dynamics (Courtney Paquette (McGill University)) - November 17, 2023
- Local to global principles in orbits, and applications (Alex Kontorovich (Rutgers University)) - November 2, 2023
- When do varieties map to each other? (Mihnea Popa (Harvard University)) - October 13, 2023
- Intersection theory of moduli spaces of curves (Hannah Larson (University of California, Berkeley)) - October 6, 2023
- Uniformity in Diophantine Geometry (Lars Kühne, University of Copenhagen) - May 26, 2023
- Group actions, algebra up to homotopy, and flavors of commutativity (Mike Hill, University of California, Los Angeles) - May 19, 2023
- Geometry of surface group homomorphisms (David Dumas, University of Illinois at Chicago) - May 5, 2023
- On Unirationality of hypersurfaces (Roya Beheshti Zavareh, Washington University in St. Louis) - April 7, 2023
- Take a residue, leave a residue (Andrei Okounkov, Columbia University) - March 31, 2023
- Ramsey graphs and additive combinatorics without addition (Jacob Fox, Stanford University) - March 3, 2023
- Localization Schemes: A Framework for proving mixing bounds in Markov chains (Ronen Eldan, Microsoft Research) - February 17, 2023
- Renormalized Volume and Area for Poincaré-Einstein Spaces (Robin Graham, University of Washington) - February 10, 2023
- Algorithms for optimization, inference, sampling of random probability measures (Andrea Montanari, Stanford University) - February 3, 2023
- Expressive curves (Sergey Fomin, University of Michigan) - January 13, 2023
- The underlying topology of data (Jose Perea, Northeastern University) - November 18, 2022
- Understanding graphs locally (Annie Raymond, UMass Amherst) - November 4, 2022
- Equiangular lines and eigenvalue multiplicities (Yufei Zhao, MIT) - October 28, 2022
- Rigidity and uniformity and algebraic dynamics (Laura DeMarco, Harvard) - October 7, 2022
- Gradeless: Grade Less; Teach More (Ileanu Vasu, Holyoke Community College) - June 3, 2022
- Infinite-type surfaces (Priyam Patel, University of Utah) - May 20, 2022
- A Discussion of a Generalization of the Multilinear Kakeya Theorem (Bobby Wilson, UW) - May 6, 2022
- How to Obfuscate Computer Programs Mathematically? (Rachel Lin, UW) - April 29, 2022
- Curvature flows toward optimal geometric inequalities (Pengfei Guan, McGill University) - April 15, 2022
- Nonlinear PDEs in Lagrangian geometry (Arunima Bhattacharya, UW) - November 19, 2021
- Some examples of homological mirror symmetry (Heather Lee) - November 12, 2021
- Geometric realization of cyclically branched covers over spheres (Dami Lee) - October 22, 2021
- New Postdoc Quick Introductions (Sheela Devadas, Lijun Ding, Tim Duff, Andrea Ottolini, Hadrian Quan, and Xueying Yu, UW) - October 15, 2021
- Hidden Figures, Service Learning, and Mathematical Community (Ranthony Edmonds, Ohio State) - June 4, 2021
- Machine Problem Solving (Daniel Selsam, Microsoft Research) - May 21, 2021
- Mathematics Teacher Performance Assessments Across Contexts (Elese Washines, Program manager for the Yakama Nation Higher Education Program) - April 30, 2021
- Teaching and Learning Brown Bag: Emphasizing concepts and geometry in linear algebra without proofs (Patrick Perkins, Rekha Thomas and Bianca Viray) - April 15, 2021
- PIMS 25th Anniversary Network-Wide Colloquium (John Baez, University of California, Riverside) - April 8, 2021
- PIMS 25th Anniversary Network-Wide Colloquium (Lauren Williams, Harvard University) - March 11, 2021
- PIMS 25th Anniversary Network-Wide Colloquium (Ben Green, University of Oxford) - February 11, 2021
- Strongly Rayleigh Distributions and a (slightly) Improved Approximation algorithm for Metric TSP (Shayan Oveis Gharan, University of Washington) - February 5, 2021
- CANCELED: PIMS 25th Anniversary Network-Wide Colloquium (Ingrid Daubechies, Duke University) - January 21, 2021
- Variational Analysis and Optimization (Tyrell Rockafellar, University of Washington) - January 15, 2021
- Teaching and Learning Brown Bag: Should we ask or should we tell? (José M. Guzmán, School of Aquatic and Fishery Sciences, University of Washington) - January 14, 2021
- Systems biology approaches in infectious disease and cell biology (John Aitchison, Center for Global Infectious Disease at Seattle Children’s Research Institute, Department of Pediatrics at the University of Washington) - May 22, 2020
- COVID Math: trailing indicators, leading indicators, math models, and stats models (Abraham Flaxman, Institute for Health Metrics and Evaluation) - April 17, 2020
- CANCELED: Symmetries of shift systems (Bryna Kra, Northwestern University) - March 13, 2020
- 3264 Conics in A Second (Bernd Sturmfels, MPI Leipzig / UC Berkeley) - February 18, 2020
- 3264 Conics in A Second (Bernd Sturmfels, MPI Leipzig / UC Berkeley) - February 18, 2020
- Mathematical sense and nonsense outside the classroom: How well are we preparing our students to tell the difference? (Robert Megginson, University of Michigan) - February 14, 2020
- On $C^{2,\alpha}$ estimates for levels sets of Allen-Cahn equation (Jun-Cheng Wei, University of British Columbia) - December 6, 2019
- Graph Density Inequalities and Sums of Squares (Rekha Thomas, University of Washington) - November 22, 2019
- Heights and moments of abelian varieties (Farbod Shokrieh, University of Washington) - November 8, 2019
- Recent progress in birational geometry in positive characteristics (Christopher Hacon, University of Utah) - October 11, 2019
- A Year at Google Research (Jake Levinson, University of Washington) - October 4, 2019
- The Amazing Power of Dimensional Analysis in Finance: Market Impact and the Intraday Trading Invariance Hypothesis (Walter Schachermayer, University of Vienna) - May 31, 2019
- Topology in neuroscience: some examples from neural coding and neural networks (Carina Curto, Penn State University) - May 17, 2019
- Progress on Kahler-Ricci flow (Gang Tian, Peking University) - May 3, 2019
- Lagrange's Identity and Apportionment of the U. S. House of Representatives (Tommy Wright, US Census Bureau) - April 29, 2019
- The stability of Kerr-de Sitter space and global analysis (András Vasy, Stanford University) - April 26, 2019
- Geometry of the Phase Retrieval Problem (Charles Epstein, University of Pennsylvania) - April 5, 2019
- Nonlinear detection of connections (Gabriel Paternain, University of Cambridge) - March 15, 2019
- Equations and Algebraic Geometry in Groups and Algebras (Olga Kharlampovich, Hunter College CUNY) - February 22, 2019
- Ranks, lines, progressions, and sets (Jordan Ellenberg, University of Wisconsin–Madison) - November 30, 2018
- Patterns in Standard Young Tableaux (Sara Billey, University of Washington) - November 16, 2018
- What is the shape of a rational map? (Sarah Koch, University of Michigan) - October 12, 2018
- Fifty years in mathematics: A minority perspective (William Vélez, University of Arizona) - October 5, 2018
- From lecture to active learning: Rewards for all, and is it really so difficult? (David Pengelley, Oregon State University) - May 18, 2018
- The large-scale geometry of the Hitchin moduli space (Rafe Mazzeo, Stanford University) - May 11, 2018
- Coloring maps on surfaces (Ian Agol, UC Berkeley) - April 27, 2018
- 5 points on the sphere (Richard Schwartz, Brown University) - April 20, 2018
- How to remedy unintended bias: “Stop it!” vs. “Document it” (Anthony Greenwald, University of Washington) - April 13, 2018
- Applications of functoriality (Emily Riehl, Johns Hopkins University) - April 6, 2018
- Using Mathematics to Unlock Biological Mysteries (Candice Price, University of San Diego) - March 30, 2018
- Mathematical Adventures with Knitting Machines (Fabienne Serriere, KnitYak.com) - November 17, 2017
- Using mathematics to fight cancer (Ami Radunskaya, Pomona College) - October 20, 2017
- Toroidal Belyĭ pairs, Toroidal graphs, and their monodromy groups (Edray Goins, Purdue University) - October 6, 2017
- Optimal transportation between unequal dimensions (Robert McCann, University of Toronto) - June 2, 2017
- Equidistribution of Shapes of Number Fields of degree 3, 4, and 5 (Piper Harron, University of Hawaii at Manoa) - May 26, 2017
- T-duality and Mirror Symmetry (Mohammed Abouzaid, Columbia University) - May 5, 2017
- [Video] Of Triangles, Gases, Prices and Men (Cédric Villani, Institut Henri Poincaré & Université de Lyon) - May 1, 2017
- Scattering by the sphere (Maciej Zworski, University of California, Berkeley) - April 28, 2017
- Tamagawa Numbers and Factorization Homology (Jacob Lurie, Harvard University) - April 21, 2017
- Isometric Embedding of 2-dim Riemannian Manifolds in Euclidean 3-Space (Qing Han, University of Notre Dame) - April 7, 2017
- [Video] On the Approximation of Laplacian Eigenvalues in Graph Disaggregation (John Urschel, Massachusetts Institute of Technology) - March 28, 2017
- Quantum Symmetry (Chelsea Walton, Temple University) - March 10, 2017
- Poset topology meets combinatorial representation theory (Patricia Hersh, North Carolina State University) - February 10, 2017
- Alex Wright from Stanford University - November 18, 2016
- Renzo Cavalieri from Colorado State University - November 10, 2016
- Steven Lalley from University of Chicago - November 4, 2016
- Frank Farris from Santa Clara University - October 21, 2016
- June Huh from Princeton University - April 22, 2016
- Katherine E. Stange from University of Colorado, Boulder - April 1, 2016
- Dusa McDuff from Barnard College - March 4, 2016
- Brian Conrad from Stanford University - February 12, 2016
- Jennifer McLoud-Mann from University of Washington, Bothell - November 20, 2015
- Sham M. Kakade from University of Washington - November 13, 2015
- Ivan Corwin from Columbia University and the Clay Mathematics Institute - October 16, 2015
- [Video] Amnon Yekutieli from Ben Gurion University - October 2, 2015
- Catherine Williams, Chief Data Scientist at AppNexus - May 8, 2015
- Michelle Wachs from University of Miami - May 1, 2015
- Lauren Williams from University of California, Berkeley - March 6, 2015
- Mark Rudelson from University of Michigan, Ann Arbor - February 20, 2015
- Andrea R. Nahmod from University of Massachusetts Amherst - November 21, 2014
- Christopher D. Hacon from The University of Utah - October 31, 2014
- Marianna Csörnyei from The University of Chicago - October 17, 2014
- Ravi Ramakrishna from Cornell University - June 6, 2014
- Gene Abrams from University of Colorado at Colorado Springs - May 23, 2014
- Shige Peng from Shandong University - May 19, 2014
- Victor Reiner from University of Minnesota - May 16, 2014
- Dan Spielman from Yale Institute for Network Science (Joint Math/CSE Colloquim and CORE Seminar) - May 8, 2014
- Steffen Rohde from University of Washington - May 2, 2014
- Roman Bezrukavnikov from Massachusetts Institute of Technology - April 18, 2014
- Dan Shumow from Senior SDE at Microsoft Research - April 18, 2014
- Neal Koblitz from University of Washington - March 7, 2014
- Bianca Viray from Brown University - January 13, 2014
- Wei Ho from Columbia University - January 10, 2014
- [Video] Gil Kalai from Einstein Institute of Mathematics, Hebrew University of Jerusalem - November 22, 2013
- [Video] Greg Blekherman from Georgia Institute of Technology - October 25, 2013
- [Video] Yuval Peres, Principal Researcher and Theory Group Manager at Microsoft Research - May 17, 2013
- [Video] S. R. Srinivasa Varadhan from New York University's Courant Institute - May 10, 2013
- [Video] Cathy O'Neil of mathbabe.org and Data Scientist at Johnson Research Labs - March 20, 2013
- [Video] Gerald Folland from University of Washington - February 22, 2013
- Exotic spheres and topological modular forms (Mark Behrens, Massachusetts Institute of Technology) - February 4, 2013
- [Video] Thomas Rothvoss from Massachusetts Institute of Technology - February 1, 2013
- Dmitriy Drusvyatskiy from Cornell University - January 29, 2013
- Katya Krupchyk from University of Helsinki - January 28, 2013
- [Video] Fredrik Viklund from Columbia University - January 25, 2013
- Reinier Bröker from Brown University - January 22, 2013
- [Video] Mathias Drton from UW Statistics Department - January 18, 2013
- [Video] Max Warshauer from Texas State University - November 16, 2012
- [Video] Matthew Kahle from Ohio State University - October 5, 2012
- [Video] Bruce Reznick from University of Illinois at Urbana-Champaign - May 18, 2012
- [Video] Christopher Hacon from University of Utah - April 6, 2012
- [Video] Jonathan Brundan from University of Oregon - March 9, 2012
- [Video] Edward Witten from Institute for Advanced Study - February 17, 2012
- [Video] Kristin Lauter from Microsoft Research and University of Washington - January 13, 2012
- [Video] On the Topology of Black Holes (Greg Galloway, University of Miami) - November 8, 2011
- [Video] Two Needles in Exponential Haystacks (Joel Spencer, New York University) - October 14, 2011
- The Static and Stochastic Ising Models (Eyal Lubetzky, Microsoft Research and UW) - May 20, 2011
- From Hilbert's 17th Problem to Polynomial Optimization and Convex Algebraic Geometry (Rekha Thomas, University of Washington) - April 29, 2011
- Testing the Manifold Hypothesis (Hariharan Narayanan, Massachusetts Institute of Technology) - March 29, 2011
- [Video] The Critical Probability of Percolation: Percolation on Self-Dual Polygon Configurations (Béla Bollobás, University of Cambridge, University of Memphis, and Microsoft ) - February 18, 2011
- [Video] A Survey of Alternating Permutations (Richard Stanley, Massachusetts Institute of Technology) - January 14, 2011
- Birational Classification of Algebraic Varieties (Christopher Hacon, University of Utah) - November 23, 2010
- [Video] Potential Theory Meets Geometric Measure Theory (Tatiana Toro, University of Washington) - October 29, 2010
- The Geometry of Reimann's Theta Functions (Sebastian Casalaina-Martin, University of Colorado, Boulder) - October 15, 2010
- [Video] Quasirandom Processes (Jim Propp, University of Massachusetts Lowell) - May 28, 2010
- [Video] The Optimization Work of Paul Tseng (Zhi-Quan (Tom) Luo, University of Minnesota) - May 7, 2010
- [Video] Generalizing the Cross Ratio: The Moduli Space of n Points on the Projective Line Up to Projective Equivalence (Ravi Vakil, Stanford University) - April 30, 2010
- [Video] Weak Solution Concepts for Nonlinear Elliptic PDE and Associated Regularity (Neil Trudinger, Australian National University) - April 16, 2010
- [Video] Issues in Multivariate Polynomial Interpolation (Carl de Boor, University of Wisconsin and UW (affiliate) ) - February 5, 2010
- [Video] Growth Rates and Explosions in Sandpiles (Lionel Levine, M.I.T. and Microsoft Research ) - January 29, 2010
- [Video] Random Sorting Networks (Alexander Holroyd, University of British Columbia & Microsoft Research) - January 15, 2010
- [Video] Cloaking and Transformation Optics (Gunther Uhlmann, University of Washington) - November 20, 2009
- [Video] Character Formulas (Bill Fulton, University of Michigan ) - November 6, 2009
- Shuffling Cards and Adding Numbers (Persi Diaconis, Stanford University) - October 23, 2009