Fall 2021
- September 7 (11 AM): Xuwen Zhu (Northeastern, hybrid), Compactified configuration spaces and singular geometry (note special time!)
- September 14: Nick Proudfoot (Oregon, fully remote), Equivariant log concavity in the cohomology of configuration spaces
- September 21: Anna Cepek (Oregon, fully remote), The combinatorics of configuration spaces of R^n
- October 5: Jose Perea (Northeastern, hybrid), Persistent Künneth theorems and quasiperiodicity
- October 19: Alexander Strang (Chicago, hybrid), The weak rotation expansion: using the Helmholtz–Hodge decomposition to explain Markov chains near equilibrium
- October 26: Amit Patel (Colorado State, fully remote), Functoriality of generalized persistence diagrams
- November 9: Jeremy Miller (Purdue, fully remote), Rognes’ connectivity conjecture
- November 16: Bena Tshishiku (Brown, hybrid), Surface bundles, monodromy, and arithmetic groups
November 30: Carina Curto (Penn State, fully remote), Graph rules and topological insights for inhibitory network dynamics- December 7: Carina Curto (Penn State, fully remote), Graph rules and topological insights for inhibitory network dynamics
December 14: Andrew Blumberg (Columbia, hybrid),Probabilistic stability theorems for topological data analysis
Spring 2021
- February 9: Eva Elduque (Michigan), Mixed Hodge structures on Alexander modules
- February 16: Florian Frick (Carnegie Mellon), The Borsuk–Ulam theorem for higher dimensional codomains and applications
- February 23: Tarik Aougab (Haverford), Characterizing covers from simple closed curves
- March 9: Claudio Llosa Isenrich (Karlsruhe), Images of Kähler groups in products of surface groups and Kodaira fibrations
- March 23: Renee Hoekzema (Oxford), Cut-and-paste invariants of manifolds via algebraic K-theory
- March 30: Christin Bibby (Louisiana State), Fiber bundles of arrangement complements
- April 6: Jesus Gonzalez (Cinvestav), The cohomology ring of binary tree braid groups
- April 13: Alex Suciu (Northeastern), Finiteness properties, cohomology jump loci, and tropical varieties
April 13: Mohamad Maassarani (Strasbourg)- April 20: Andrea Bianchi (Copenhagen), Mapping class group actions on configuration spaces and the Johnson filtration
Fall 2020
- October 13: Najib Idrissi (IMJ-PRG), Real homotopy of configuration spaces
- October 20: Noémie Combe (MPI MiS), Complement of the discriminant variety, Gauss–skizze operads and hidden symmetries
- October 27: Hannah Alpert (UBC), Representation stability and configurations of disks in a strip
- November 3: Lei Chen (Caltech), Actions of Homeo and Diffeo groups on manifolds
- November 17: Safia Chettih (Southwestern), An infinity operad of normalized cacti
- November 24: David Recio-Mitter (Lehigh), Geodesic complexity of motion planning
- December 1: Dan Petersen (Stockholm), Factorization statistics and bug-eyed configuration spaces
- December 8: Nick Salter (Columbia), r-spin mapping class groups and applications
Spring 2020
- January 28: Matthew Hogancamp (Northeastern), Categorifying skeins in the solid torus
- February 11: Ruth Charney (Brandeis), Outer space for RAAGs
- February 18: Nathaniel Bottman (USC), The Fulton–MacPherson operad and Fukaya categories
- February 25: Kathryn Hess (EPFL), From precalculus to calculus in algebraic topology
- March 10: Alexander Kupers (Harvard), Double Steinberg coinvariants and the homology of general linear groups
March 17: Lei Chen (Caltech)March 24: David Recio-Mitter (Lehigh)March 31: Safia Chettih (Southwestern)April 7: Nick Salter (Columbia)April 14: Jon McCammond (UCSB)
Fall 2019
- September 10: Nir Gadish (MIT), The ‘generating function’ of configuration spaces as a source for explicit formulas and representation stability
- September 17: Florian Naef (Northeastern University), String topology and the configuration space of two points
- September 24: Iva Halacheva (Northeastern University), Tangles, circuit algebras, and the Kashiwara–Vergne problem
- October 5: Kickoff mini-conference
- October 8: Aaron Abrams (Washington and Lee University), Area relations in square triangulations
- October 15: Benjamin Schweinhart (The Ohio State University), Fractal dimension estimation with persistent homology
- October 22: Phil Tosteson (University of Chicago), Homological stability and the Deligne–Mumford compactification
- October 29: Paolo Salvatore (Universita di Roma Tor Vergata), Koszul self-duality of the little discs operad’
- November 5:
- Graham Denham (Western University), The Leray model of a matroid (3:15–4:15pm in 544NI)
- John Wiltshire-Gordon (University of Wisconsin), FI-modules in high degree (4:30–5:30pm in 509LA)
- November 12: Eric Ramos (University of Oregon), Categories of graphs with contractions
- November 19: Felix Wierstra (Max Planck Institute for Mathematics and Université Paris 13), Cochains and rational homotopy type
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