New bounds on lattice covering volumes, and nearly uniform covers
Member Seminar Speaker: Barak Weiss Title: New bounds on lattice covering volumes, and nearly uniform covers Abstract: Let L be a lattice in R^n and let K be a convex body. […]
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The string/black hole transition in anti de Sitter space
Speaker: Erez Urbach, Weizmann Institute of Science Title: The string/black hole transition in anti de Sitter space Abstract: String stars, or Horowitz-Polchinski solutions, are string theory saddles with normalizable condensates of […]
Strongly coupled ultraviolet fixed point and symmetric mass generation in four dimensions with 8 Kähler-Dirac fermions
Quantum Matter Seminar Speaker: Anna Hasenfratz (University of Colorado) Title: Strongly coupled ultraviolet fixed point and symmetric mass generation in four dimensions with 8 Kähler-Dirac fermions Abstract: 4-dimensional gauge-fermion systems exhibit a quantum […]
Categorical Symmetry of the Standard Model from Gravitational Anomaly
Member Seminar Speaker: Juven Wang Title: Categorical Symmetry of the Standard Model from Gravitational Anomaly Abstract: In the Standard Model, the total "sterile right-handed" neutrino number n_{νR} is not equal to […]
Conformal symmetry, Optimization algorithms and the Critical Phenomena
Speaker: Ning Su, University of Pisa Title: Conformal symmetry, Optimization algorithms and the Critical Phenomena Abstract: In the phase diagram of many substances, the critical points have emergent conformal symmetry […]
How to steer foundation models?
https://youtu.be/ztk5TPYTKZA New Technologies in Mathematics Seminar Speaker: Jimmy Ba, University of Toronto Title: How to steer foundation models? Abstract: By conditioning on natural language instructions, foundation models and large language […]
Pseudospectrum and black hole quasinormal mode instability: An ultraviolet universality conjecture
https://youtu.be/teqIIXRJXd4 General Relativity Seminar Speaker: Jose Luis Jaramillo (Bourgogne U.) Title: Pseudospectrum and black hole quasinormal mode instability: an ultraviolet universality conjecture Abstract: Can we measure the ‘effective regularity’ of […]
On the free energy of spin glasses with multiple types
Probability Seminar Speaker: Jean-Christophe Mourrat (ENS Lyon) Title: On the free energy of spin glasses with multiple types Abstract: In the simplest spin-glass model, due to Sherrington and Kirkpatrick, the […]
Quantum entropy thermalization
Quantum Matter Seminar Speaker: Yichen Huang (Harvard) Title: Quantum entropy thermalization Abstract: In an isolated quantum many-body system undergoing unitary evolution, the entropy of a subsystem (smaller than half the […]
String theory scalar potentials and their critical points
Swampland Seminar Speaker: David Andriot (Annecy, LAPTH) Title: String theory scalar potentials and their critical points Abstract: Positive scalar potentials in string effective theories could provide an origin to Dark […]
Randomized algorithms in combinatorics
Member Seminar Speaker: Michael Simkin Title: Randomized algorithms in combinatorics Abstract: Randomized algorithms have been a computational workhorse for almost as long as there have been computers. Surprisingly, such algorithms can […]
Active chemical reactions in phase-separating systems
Active Matter Seminar Speaker: Jonathan Bauermann, Max Planck Institute for the Physics of Complex Systems Title: Active chemical reactions in phase-separating systems Abstract: Motivated by the existence of membrane-less […]