AQFT Lecture Series Speaker: Jayce Getz (Duke University) Title: The Poisson summation conjecture and the fiber bundle method Abstract: The Poisson summation conjecture of Braverman-Kazhdan, L. Lafforgue, Ngo, and Sakellaridis predicts that spherical varieties over a global field admit Schwartz spaces, Fourier transforms, and a generalized Poisson summation formula. In this talk I will state a rough form […]
Arithmetic Quantum Field Theory Conference Dates: March 25-29, 2024 Location: Room G10, Harvard CMSA, 20 Garden Street, Cambridge MA 02138 Arithmetic Quantum Field Theory Conference Youtube Playlist Organizers: David Ben-Zvi (University of Texas Austin) Solomon Friedberg (Boston College) Natalie Paquette (University of Washington Seattle) Brian Williams (Boston University) Scientific Goals: On one hand, there has been tremendous progress in […]
https://youtu.be/MiqLoAZFRSE LECTURE SLIDES (pdf) On March 28, 2024, the CMSA will host the fifth annual Ding Shum Lecture, given by Yann LeCun. Time: 4:30–5:30 pm ET Speaker: Yann Lecun, New York University & META Location: Harvard Science Center Hall A & via Zoom Webinar Title: Objective-Driven AI: Towards AI systems that can learn, remember, reason, […]
General Relativity Seminar Speaker: Zihan Yan, Cambridge University Title: Linearised Second Law for Higher Curvature Gravity and Non-Minimally Coupled Vector Fields Abstract: Expanding the work of arXiv:1504.08040, we show that black holes obey a second law for linear perturbations to bifurcate Killing horizons, in any covariant higher curvature gravity coupled to scalar and vector fields. The vector […]
Algebraic Geometry in String Theory Seminar Speaker: Jonathan Rosenberg, University of Maryland Title: Derived categories of genus one curves and torsors over abelian varieties Abstract: Studying orientifold string theories on elliptic curves or abelian varieties motivates studying the derived category of coherent sheaves on a genus one curve or a torsor over an abelian variety over the […]
Active Matter Seminar Speaker: Abby Plummer, Boston University Title: Shape morphing with swelling hydrogels and expanding foams Abstract: Materials that increase in size offer intriguing possibilities for shape-morphing applications. Here, we explore two such systems—swelling polyacrylamide hydrogels and expanding polyurethane foams. The hydrogels swell by absorbing water into crosslinked polymer networks. They can therefore be […]
Quantum Matter in Mathematics and Physics Seminar Speaker: Henry Cohn (MIT and Microsoft) Title: Discrete geometry and the modular bootstrap Abstract: In this talk, I'll discuss the remarkable connections between the modular bootstrap and sphere packing or ground state problems discovered by Hartman, Mazáč, and Rastelli in 2019, with a focus on opportunities for further […]
CMSA Member Seminar Speaker: Farzan Vafa Title: Phase diagram and confining strings in a minimal model of nematopolar matter Abstract: We investigate a minimal model of a nematopolar system. We analytically uncover a phase diagram consisting of a locked phase where the polar order and nematic order are locked, and unlocked phases which could be […]
CURRENT DEVELOPMENTS IN MATHEMATICS 2024 APRIL 5-6, 2024 HARVARD UNIVERSITY SCIENCE CENTER LECTURE HALL C REGISTER HERE https://www.math.harvard.edu/event/current-developments-in-mathematics-2024/ Speakers: Daniel Cristofaro-Gardiner - University of Maryland Samit Dasgupta - Duke University Jiaoyang Huang - University of Pennsylvania Daniel Litt - University of Toronto Lisa Piccirillo - MIT/University of Texas Download PDF for a detailed schedule […]
Algebraic Geometry in String Theory Seminar Speaker: Alan Thompson (Loughborough University) Title: Mirror symmetry for fibrations and degenerations of K3 surfaces Abstract: In 2016, Doran, Harder, and I conjectured a mirror symmetric relationship between Tyurin degenerations and splittings of codimension 1 fibrations on Calabi-Yau manifolds. In this talk I will discuss recent work to make this […]
CMSA Member Seminar Speaker: Puskar Mondal Title: Global weak solutions of 3+1 dimensional vacuum Einstein equations Abstract: It is important to understand if the `solutions' of non-linear evolutionary PDEs persist for all time or become extinct in finite time through the blow-up of invariant entities. Now the question of this global existence or finite time […]
Mathematical Aspects of Scattering Amplitudes Program Dates: April 15 - May 24, 2024 Location: Harvard CMSA, 20 Garden Street, Cambridge, MA 02138 This program will bring together and foster interaction between theoretical physicists and mathematicians working on various topics connected to recent developments in our understanding of scattering amplitudes in quantum field theory. The field […]