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DTSTART;TZID=America/Los_Angeles:20251202T160000
DTEND;TZID=America/Los_Angeles:20251202T170000
DTSTAMP:20260406T145327
CREATED:20250917T202344Z
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SUMMARY:Claremont Topology Seminar: Indraneel Tambe (UCLA)
DESCRIPTION:We welcome all undergraduate/graduate students and faculty to attend topology seminar! \nSpeaker: Indraneel Tambe (UCLA) \nTitle: Steinberg skein relations at roots of unity \nAbstract: This talk discusses some of the relationships between skein theory and the representation theory of quantum sl2 when q is a root of unity. Specifically\, I focus on the Frobenius pullback functor on Uq sl2 representations and see how this relates to Bonahon-Wong’s Frobenius skein homomorphism between Kauffman bracket skein modules. I’ll describe results from my joint work with Vijay Higgins in which we proved what we called Steinberg skein identities and used these in a new proof of the well-definition of the Frobenius skein homomorphism.
URL:https://colleges.claremont.edu/ccms/event/claremont-topology-seminar-ko-honda-ucla/
LOCATION:Fletcher 104\, Pitzer College\, 1050 N Mills Ave\, Claremont\, 91711\, United States
CATEGORIES:Topology Seminar
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251118T160000
DTEND;TZID=America/Los_Angeles:20251118T170000
DTSTAMP:20260406T145327
CREATED:20250917T201310Z
LAST-MODIFIED:20251114T165324Z
UID:3842-1763481600-1763485200@colleges.claremont.edu
SUMMARY:Claremont Topology Seminar: Chris Grossack (UC Riverside)
DESCRIPTION:We welcome all undergraduate/graduate students and faculty to attend topology seminar! \nSpeaker: Chris Grossack (UC Riverside) \nTitle: Explicitly Computing Fukaya Categories of Surfaces \nAbstract: Fukaya categories are rich and interesting invariants of symplectic manifolds that are often difficult to compute in practice. In the case of surfaces\, however\, the computation becomes pleasantly combinatorial\, and can be carried out explicitly. In this expository talk we’ll explain why one might care about Fukaya categories and how one can compute them explicitly enough for computer implementation using tools from “Noncommutative Mirror Symmetry”. With any remaining time\, we’ll explain the ideas behind the speaker’s PhD thesis\, which relies heavily on this machinery.
URL:https://colleges.claremont.edu/ccms/event/claremont-topology-seminar-chris-grossack-uc-riverside/
LOCATION:Fletcher 104\, Pitzer College\, 1050 N Mills Ave\, Claremont\, 91711\, United States
CATEGORIES:Topology Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251104T160000
DTEND;TZID=America/Los_Angeles:20251104T170000
DTSTAMP:20260406T145327
CREATED:20250910T222316Z
LAST-MODIFIED:20251008T173035Z
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SUMMARY:Claremont Topology Seminar: Robert Cass (Claremont McKenna College)
DESCRIPTION:We welcome all undergraduate/graduate students and faculty to attend topology seminar! \nSpeaker: Robert Cass (Claremont McKenna College) \nTitle: Schubert varieties are splinters \nAbstract: Schubert varieties are among the most well-studied singular algebraic varieties\, and they have numerous applications in combinatorics and representation theory. In positive characteristic\, Schubert varieties are known to be Frobenius split by the work of Mehta and Ramanathan. More recently\, Bhatt showed that the full flag variety for GL_n is a derived splinter by entirely different methods. In this talk\, we explain these concepts\, and we show how to generalize Bhatt’s result to all Schubert varieties. Our methods apply equally well to affine Schubert varieties\, which are of interest in number theory. This is joint work with João Lourenço.
URL:https://colleges.claremont.edu/ccms/event/robert-cass-claremont-mckenna-college/
LOCATION:Fletcher 104\, Pitzer College\, 1050 N Mills Ave\, Claremont\, 91711\, United States
CATEGORIES:Topology Seminar
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DTSTART;TZID=America/Los_Angeles:20251021T160000
DTEND;TZID=America/Los_Angeles:20251021T170000
DTSTAMP:20260406T145327
CREATED:20250910T222206Z
LAST-MODIFIED:20251001T223838Z
UID:3826-1761062400-1761066000@colleges.claremont.edu
SUMMARY:Claremont Topology Seminar: Puttipong Pongtanapaisan (Pitzer College)
DESCRIPTION:We welcome all undergraduate/graduate students and faculty to attend topology seminar! \nSpeaker: Puttipong Pongtanapaisan (Pitzer College) \nTitle: Special Positions of Shapes in Four-Dimensional Space \nAbstract: I will begin by convincing you that four-dimensional space is more familiar than it might first appear. Then\, I will introduce ways in which mathematicians study objects in 4-space. Each visualization method comes with its own advantages and limitations\, as well as a natural measure of complexity that captures how “knotted” a shape can be. Drawing from my work on several projects\, I will explain how these complexity measures connect to other areas of mathematics. For example\, placing surfaces in what we call a rainbow position reveals connections to symplectic geometry.
URL:https://colleges.claremont.edu/ccms/event/puttipong-pongtanapaisan-pitzer-college/
LOCATION:Fletcher 104\, Pitzer College\, 1050 N Mills Ave\, Claremont\, 91711\, United States
CATEGORIES:Topology Seminar
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