This is the homepage of the Algebra and Algebraic Geometry Seminar at McMaster University. This seminar is primarily intended for McMaster University graduate students, postdocs, and faculty with an interest in algebra, algebraic geometry, number theory, or related areas. If you are interested in giving a talk, please contact one of the faculty members affiliated with the seminar: Cam Franc, Megumi Harada, Jenna Rajchgot, or Adam Van Tuyl,
During Fall 2026, talks take place Tuesdays at 10:30-11:20am (Eastern) at HH 312.
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Abstract: Hessenberg varieties are subvarieties of the flag variety Flags(\C^n) and have a rich geometry which intersects with the theory of combinatorial commutative algebra, Schubert geometry and Schubert calculus, and geometric representation theory, among other areas. The cohomology rings of Hessenberg varieties have been studied extensively due to their connections with the theory of quasisymmetric functions. I will give a curated introduction to this circle of ideas, with a focus on a selection of recent developments.
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We will share with our Dean some narratives of our activities and our research.
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During Winter 2027, talks take place Tuesdays at 10:30-11:20am (Eastern) at HH ??? (to be confirmed).
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