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Geometry & Topology Seminar

Title: Topology, Symmetry, and the Frobenius endomorphism
Speaker: Prasit Bhattacharya (New Mexico State University, Las Cruces, USA)
Date: 12 January 2026
Time: 4 pm
Venue: LH-1, Mathematics Department (Joint with the Algebra-Combinatorics Seminar)

The Frobenius map, which raises an element to its $p$-th power, is a fundamental ring endomorphism in characteristic $p$. This simple algebraic structure has profound implications, serving as the generator for Galois groups of finite fields. In the 1950s, N.E. Steenrod generalized this concept to graded $\mathbb{F}_p$-algebras, a generalization that has since yielded cornerstone results in geometry and algebraic topology.

This talk explores a new, crucial question: Can Steenrod operations be refined to detect hidden symmetries? We will trace the historical development of this question and present a compelling, affirmative answer, demonstrating a novel connection between algebraic operations and geometric symmetry.


Contact: +91 (80) 2293 2711, +91 (80) 2293 2265 ;     E-mail: chair.math[at]iisc[dot]ac[dot]in
Last updated: 09 Jan 2026