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Events for November 2026 – March 2027

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Tue, Nov. 3 2:30pm (MATH 3…	Lie Theory John McHugh (CU Denver) TBD
Wed, Nov. 4 4:40pm (MATH 3…	Grad Student Seminar Omar Al - Khazali (CU Boulder) X In this talk, we introduce an algebra of graphs that was formalized and motivated due to its alternative algebraic solution to the Longest Path Problem (LPP) and k-path problem (kPP) on Tree-like classes of graphs. Furthermore, we will provide a simplified statement of the algebraic conditions that solve LPP and kPP, displaying an improved algorithm to compute the solution for a given Tree-like graph. Additionally, we exhibit a categorification of the algebraic structure, in which we define a graph-valued metric, named Hom-completion graphs, to compare homomorphisms of graphs. Finally, we show how setting some invariants on these Hom-completion graphs constructs formal metrics that allow for more refined comparison of these homomorphisms. A Categorification of An Algebra of Graphs
Thu, Nov. 5 2:30pm (MATH 3…	Functional Analysis Alonso Delfin (Swarthmore College) X Borrowing W. Paravicini’s linking Banach algebra framework, based on V. Lafforgue’s definition of Morita equivalence for Banach algebras, in this talk we present different ways of putting norms on the linking algebra associated to a Banach Morita equivalence. For equivalences arising from L^p-modules, we show that there is a canonical choice of norm that recovers the usual C*-algebraic setting when p=2. If time permits, I will discuss applications of this result to L^p-operator algebras associated with étale groupoids. This is based on joint work with Yeong Chyuan Chung (Jilin University) and Zhen Wang (HangZhou Normal University). Operator norms on linking Banach algebras Sponsored by the Simons Foundation
Fri, Nov. 6 1:25pm (Math 3…	A. I. Mohammed Abouzaid (Stanford) X In the past year AI systems have produced genuine research results in mathematics. What is much less clear is how to measure what these systems can actually do, and how to use them in one's own work. I will describe First Proof, which tests AI systems against unpublished mathematics, research mathematicians contribute problems with known but unpublished proofs, and the systems' solutions are refereed and graded, and report what successive batches of this have taught us. AI as a scientific instrument for mathematics
Fri, Nov. 13 1:25pm (Math 3…	A. I. Lionel Levine (Cornell University) TBA
Tue, Nov. 17 2:30pm (MATH 3…	Lie Theory Basia Klos (CU Boulder) TBA
Thu, Nov. 19 1pm (CSU)	Algebraic Geometry FRAG Day X Fall 2026 Front Range Algebraic Geometry Day at Colorado State University This day is in collaboration with the FRAGMENT seminar for algebraic geometers in the front range area to connect and discuss their research. In particular, we are committed to fostering connections among graduate students between CU and CSU For more information, please see our website: https://sites.google.com/colorado.edu/front-range-ag/home?authuser=0 FRAG Day
Fri, Nov. 20 1:25pm (Math 3…	A. I. TBA TBA
Tue, Dec. 1 3:30pm (Math350)	Math Phys Ezzra Getzler (Northwestern University) tba Sponsored by the Meyer Fund
Wed, Dec. 2 3:30pm (Math350)	Math Phys Ezzra Getzler (Northwestern University) tba Sponsored by the Meyer Fund
Thu, Dec. 3 11:15am (MATH …	Algebraic Geometry Ignacio Rojas (Colorado State University) X TBA TBA
Fri, Dec. 4 1:25pm (Math 3…	A. I. Emily Riehl (Johns Hopkins University) TBA
Fri, Jan. 29 1:25pm (Zoom)	A. I. Sean Welleck (CMU) TBD
Fri, Feb. 26 1:25pm (Math 3…	A. I. Michael Mulligan (UC Riverside) TBA
Tue, Mar. 9 11am (MATH 350)	Number Theory Abbey Bourdon (Wake Forest) X TBA TBA Sponsored by the National Science Foundation

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