Informal Seminar on Dynamics, Geometry and Moduli Spaces: Multipliers of rational maps
November 15, 2023 4:00 pmSpeaker: Laura DeMarco
Please see website for more details: www.math.harvard.edu/~ctm/sem.
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Announcements - All
CMSA Probability Seminar: Thresholds
November 15, 2023 3:30 pmSpeaker: Jinyoung Park
For a finite set X, a family F of subsets of X is said to be increasing if any set A that contains B in F is also in F....
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Number Theory Seminar: Semisimplicity and CM lifts
November 15, 2023 3:00 pmSpeaker: Ananth Shankar
Consider the setting of a smooth variety $S$ over $\mathbb{F}_q$, and an $\ell$-adic local on $S$ which has finite determinant and is geometrically irreducible. Work of Lafforgue proves that such...
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CMSA New Technologies in Mathematics Seminar: Peano: On the Power of Forward pass through Transformer Architectures
November 15, 2023 2:00 pmSpeaker: Abhishek Panigrahi
Highly trained transformers are capable of interesting computations as they infer for an input. The exact mechanism that these models use during forward passes is an interesting area of study....
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CMSA Topological Quantum Matter Seminar: A bulk gap in the presence of edge states for a truncated Haldane pseudopotential
November 15, 2023 10:30 amSpeaker: Amanda Young
Haldane pseudopotentials were first introduced as Hamiltonian models for the fractional quantum Hall effect, and it has been long expected that they should exhibit the characteristic properties of this exotic...
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Physical and Mathematical Sciences Virtual Open House
November 14, 2023 3:00 pmAgenda: 3:00-4:00 PM EST (GMT -4:00): PhD Admissions Panel 4:00-5:00 PM EST (GMT -4:00): Breakout Session Q&As with PhD Programs We hope you will join us to: --Learn about physical...
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Harvard-MIT Algebraic Geometry Seminar: Superadditivity of anticanonical Iitaka dimension in positive characteristic
November 14, 2023 3:00 pmSpeaker: Iacopo Brivio
Given a fibration $f\colon X\to Y$ of smooth complex projective with general fiber $F$, the celebrated Iitaka conjecture predicts the inequality $\kappa(K_X)\geq \kappa(K_F)+\kappa(K_Y)$. Recently Chang showed that, under some natural...
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CMSA Colloquium: Koszul duality in QFT
November 13, 2023 4:30 pmSpeaker: Brian Williams
We will describe appearances of the algebraic phenomena of Koszul duality in the context of boundary conditions and defects in quantum field theory. Primarily motivated by topological string theory, this...
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Special Seminar: Moments of L-functions via the homology of braid groups
November 13, 2023 3:00 pmSpeaker: Craig Westerland
In 2005, Conrey, Farmer, Keating, Rubinstein, and Snaith posed a conjecture on the asymptotics of moments of quadratic L-functions. While this conjecture originates as a question about number fields, it...
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CMSA Algebraic Geometry in String Theory Seminar: Stacky small resolutions of determinantal octic double solids and noncommutative Gopakumar-Vafa invariants
November 13, 2023 10:30 amSpeaker: Sheldon Katz
A determinantal octic double solid is the double cover X of P^3 branched along the degree 8 determinant of a symmetric matrix of homogeneous forms on P^3. These X are...
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