UC Berkeley Probabilistic Operator Algebra Seminar
Organizer: Dan-Virgil Voiculescu
If you have any questions or comments send an email to: jgarzavargas_at_berkeley_dot_edu Upcoming talks (Fall 2022)
November 28, 10:00-10:50a.m. (Pacific Time)
Title: On the Akemann-Ostrand property for q-Gaussian von Neumann algebras.
Speaker: Martijn Caspers, TU Delft
November 28, 10:00-10:50a.m. (Pacific Time)
Title: On the Akemann-Ostrand property for q-Gaussian von Neumann algebras. Speaker: Martijn Caspers, TU Delft Upcoming talks (Spring 2023)
February 6, 10:00-11:30a.m. (Pacific Time)
Title: Alpha-induction and bi-unitary connections.
Speaker: Yasuyuki Kawahigashi, University of Tokyo
February 6, 10:00-11:30a.m. (Pacific Time)
Title: Alpha-induction and bi-unitary connections. Speaker: Yasuyuki Kawahigashi, University of Tokyo Past talks (Fall 2022)
November 21, 10:00-11:30a.m. (Pacific Time)
Title: Strongly convergent unitary representations of limit groups.
Speaker: Michael Magee, Durham University
November 21, 10:00-11:30a.m. (Pacific Time)
Title: Strongly convergent unitary representations of limit groups. Speaker: Michael Magee, Durham UniversityNovember 14, 10:40a.m.-12p.m. (Pacific Time)
Title: The Brown measure of a sum of two free random variables, one of which is R-diagonal. Speaker: Hari Bercovici, Indiana University BloomingtonNovember 7, 10-11 a.m. (Pacific Time)
Title: Quantum graphs and colorings. Speaker: Priyanga Ganesan, UC San DiegoOctober 31, 10-11:30 a.m. (Pacific Time)
Title: Insights into the Invariant Subspace Problem for compact perturbations of normal operators. Speaker: Eva Gallardo-Gutierrez, Universidad Complutense de Madrid and ICMAT, visiting UC BerkeleyOctober 24, 10-11:30 a.m. (Pacific Time)
Title: Commutators in finite free probability. Speaker: Jacob Campbell, University of WaterlooOctober 17, 10:10-11:40 a.m. (Pacific Time)
Title: Connections between free probability and model theory of tracial W*-algebras. Speaker: David Jekel, UC San DiegoOctober 10, 10-11:30 a.m. (Pacific Time)
Title: Positive Maps and Entanglement in Real Hilbert Spaces. Speaker: Vern Paulsen, University of WaterlooOctober 3, 10a.m.-12:00p.m. (Pacific Time)
Title: Strong convergence of tensor products of independent G.U.E. matrices. Speaker: Serban Belinschi and Mireille Capitaine, University of ToulouseAbstract, Slides Belinschi, Slides Capitaine
September 26, 10-11:30 a.m. (Pacific Time)
Title: Small at infinity compactification of a von Neumann algebra. Speaker: Srivatsav Kunnawalkam Elayavalli, IPAM at UCLASeptember 19, 10-11:50 a.m. (Pacific Time)
Title: Preservers of totally positive kernels and Polya frequency functions. Speaker: Mihai Putinar, UCSBSeptember 12, 10-11:30 a.m. (Pacific Time)
Title: Non-Commutative Stochastic Processes and Bi-Free Probability. Speaker: Paul Skoufranis, York UniversityAugust 22, 10-11:30 a.m. (Pacific Time)
Title: Cyclic Boolean and Monotone Independence. Speaker: Octavio Arizmendi and Franz Lehner, CIMAT Guanajato and TU GrazAbstract, Slides Arizmendi, Slides Lehner
Past talks (Spring 2022)
May 23, 10-11:30 a.m. (Pacific Time)
Title: De Finetti Theorems for the unitary dual group.
Speaker: Uwe Franz, Universite de Bourgogne Franche-Comte
May 23, 10-11:30 a.m. (Pacific Time)
Title: De Finetti Theorems for the unitary dual group. Speaker: Uwe Franz, Universite de Bourgogne Franche-ComteMay 9, 10-11:30 a.m. (Pacific Time)
Title: The support of the free additive convolution of multi-cut measures. Speaker: Philippe Moreillon, KTH Royal Institute of TechnologyMay 2, 10a.m-12 p.m. (Pacific Time)
Title: Free entropy theory for types in tracial W*-algebras. Speaker: David Jekel, UCSDApril 25, 10-11 a.m. (Pacific Time)
Title: On the isomorphism class of q-Gaussian C*-algebras Speaker: Mario Klisse, TU DelftApril 18, 10-11 a.m. (Pacific Time)
Title: An inequality for non-microstates free entropy dimension for crossed products by finite abelian groups Speaker: Dimitri Shlyakhtenko, UCLAApril 11, 10-11 a.m. (Pacific Time)
Title: Components of meandric systems and the infinite noodle Speaker: Valentin Feray, Institut Elie Cartan de LorraineApril 4, 10-11 a.m. (Pacific Time)
Title: A dual and a conjugate system for q-Gaussians for all q. Speaker: Roland Speicher, Saarland UniversityMarch 28, 10-11:30 a.m. (Pacific Time)
Title: The Infinitesimal Law of a Real Wishart Matrix Speaker: James Mingo and Josue Vazquez-Becerra, Queen’s University and UAM IztapalapaAbstract, Slides Mingo, Slides Vazquez
March 14, 10-11 a.m. (Pacific Time)
Title: Repeated differentiation and free unitary Poisson processes Speaker: Zakhar Kabluchko, University of MuensterFebruary 28, 10-11:30 a.m. (Pacific Time)
Title: Spectral densities for spectral triples Speaker: Jean-Luc Sauvageot, Institut Mathématique de Jussieu Rive GaucheFebruary 21, 10a.m-12p.m. (Pacific Time)
Title: Analytic theory of higher order freeness Speaker: Gaetan Borot and Elba Garcia-Failde, Humboldt University Berlin and Institut Math Jussieu Rive GaucheAbstract, Slides Borot, Slides Garcia Failde
February 14, 10-11 a.m. (Pacific Time)
Title: Quantum exclusion process. Schroeder trees and free cumulants Speaker: Philippe Biane, Institut Gaspard Monge, CNRS U. Paris-EstJanuary 31, 10a.m.-12 p.m. (Pacific Time)
Title: Towards a classification of multi-faced independences Speaker: Malte Gerhold, University of Greifswald.January 24 (2022), 9-10 a.m. (Pacific Time)
Title: Berry-Esseen Bounds for Operator-valued Free Limit Theorems Speaker: Marwa Banna, New York University Abu Dhabi. Past talks (Fall 2021)
November 29, 10-11 a.m. (Pacific Time)
Title: Jacobians of neural networks and Free Probability.
Speaker: Reda Chhaibi, University Paul Sabatier Toulouse 3.
November 29, 10-11 a.m. (Pacific Time)
Title: Jacobians of neural networks and Free Probability. Speaker: Reda Chhaibi, University Paul Sabatier Toulouse 3.November 22, 10-11 a.m. (Pacific Time)
Title: Normalized characters of symmetric groups and Boolean cumulants via Khovanov’s Heisenberg category. Speaker: Shinji Koshida, Aalto University, Finland.November 15, 10a.m-12p.m (Pacific Time)
Title: A phase transition for tails of the free multiplicative convolution powers. Speaker: Bartosz Kołodziejek and Kamil Szpojankowski, Warsaw University of Technology.Abstract, Slides Szpojankowski, Slides Kołodziejek
November 8, 10-11:30 a.m (Pacific Time)
Title: Finite Free Cumulants: Multiplicative Convolutions, Genus Expansion, and Infinitesimal Distributions. Speaker: Jorge Garza-Vargas, UC Berkeley.November 1, 10-11 a.m (Pacific Time)
Title: Almost commuting matrices and stability for product groups. Speaker: Adrian Ioana, UCSD.October 25, 10-11 a.m (Pacific Time)
Title: The Matsumoto-Yor property in free probability. Speaker: Marcin Swieca, Warsaw University of Technology.October 18, 2-3 p.m. (Pacific Time)
Title: Rationality for operators obtained from free semicircular elements. Speaker: Akihiro Miyagawa, Kyoto University.October 11, 10-11 a.m. (Pacific Time)
Title: Fock Spaces with Nearest-Neighbor Coupling. Speaker: Jacob Mashburn, Texas A&M University.October 4, 10-12 a.m. (Pacific Time)
Title: Multiplicative and semi-multiplicative functions on non-crossing partitions, and relations to cumulants. Speakers: Alexandru Nica and Daniel Perales, University of Waterloo.Abstract, Slides Alexandru Nica, Slides Daniel Perales
September 20, 10-11 a.m. (Pacific Time)
Title: Strong 1-boundedness for von Neumann algebras with property T. Speaker: Srivatsav Kunnawalkam Elayavalli, Vanderbilt University.September 13, 10-12 a.m. (Pacific Time)
Title: Where are the atoms? The universality of the free case. Speakers: Guillaume Cébron and Octavio Arizmendi, Institut Mathématique de Toulouse and CIMAT Guanajuato.Abstract, Slides Gillaume Cébron, Slides Octavio Arizmendi
August 30, 10-11:10 a.m. (Pacific Time)
Title: Binary trees, operads, and Dykema's T-transform. Speakers: Kurusch Ebrahimi-Fard and Nicolas Gilliers, Norwegian University of Science and Technology and University Greifswald. Past talks (Summer 2021)
June 30, 10-12 a.m. (Pacific Time)
Title: Duality for optimal couplings in free probability.
Speakers: David Jekel and Kyeongsik Nam, UCSD and UCLA.
June 30, 10-12 a.m. (Pacific Time)
Title: Duality for optimal couplings in free probability. Speakers: David Jekel and Kyeongsik Nam, UCSD and UCLA.Abstract, Slides Kyeongsik Nam, Slides David Jekel
June 21, 10-11 a.m. (Pacific Time)
Title: Categorical probability with Markov categories. Speaker: Tobias Fritz, University of Innsbruck.June 14, 10-11 a.m. (Pacific Time)
Title: Global asymptotic of particle systems at high temperature. Speaker: Cesar Cuenca, Harvard.June 7, 10-11 a.m. (Pacific Time)
Title: Strong freeness of Gaussian matrices with correlated entries. Speaker: March Boedihardjo, UCLA.May 31, 10-11 a.m. (Pacific Time)
Title: Positive definite reflection length in type B. Speaker: Wiktor Ejsmont, University of Wroclaw.May 24, 10-11 a.m. (Pacific Time)
Title: Freeness over the diagonal and the second order distribution of Wigner matrices. Speaker: Camille Male, CNRS Institut Mathematiques Bordeaux.May 17, 10-11 a.m. (Pacific Time)
Title: On operator-valued infinitesimal Boolean and monotone independence. Speaker: Pei-Lun Tseng, Queen’s University. Past talks (Spring 2021)
May 3, 10-11 a.m. (Pacific Time)
Title: Statistical deconvolution of the free Fokker-Planck equation at fixed time.
Speaker: Mylene Maida, University of Lille.
May 3, 10-11 a.m. (Pacific Time)
Title: Statistical deconvolution of the free Fokker-Planck equation at fixed time. Speaker: Mylene Maida, University of Lille.April 26, 10-11 a.m. (Pacific Time)
Title: Troupes, Cumulants, and Stack-Sorting. Speaker: Colin R. Defant, Princeton University.April 19, 10-11 a.m. (Pacific Time)
Title: Integrals and potentials of 1-forms on the Sierpinski gasket. Speaker: Fabio Cipriani, Politecnico di Milano.April 12, 10-11 a.m. (Pacific Time)
Title: Roots of Polynomials and Free Convolution. Speaker: Stefan Steinerberger, University of Washington, Seattle.April 5, 10-11 a.m. (Pacific Time)
Title: A metric characterization of freeness. Speaker: Leonard Cadilhac, Universite Paris-Saclay.March 29, 10-11 a.m. (Pacific Time)
Title: Random Unitary Representations of Surface Groups. Speaker: Michael Magee, Durham University.March 15, 1-2 p.m. (Pacific Time)
Title: Interpolation between random matrices and their free limit with the help of free stochastic calculus. Speaker: Felix Parraud, University of Lyon and Kyoto University.March 8, 10-11 a.m. (Pacific Time)
Title: Triple operator integrals. Haagerup-like tensor products and Lipschitz type estimates for functions of pairs of non commuting self-adjoint operators. Speaker: Vladimir Peller, Michigan State University, Lansing and St. Petersburg State University.March 1, 10-11 a.m. (Pacific Time)
Title: Stochastic integration with respect to the q-Brownian motion. Speaker: Aurelien Deya, Institut Elie Cartan, Universite de Lorrainee.February 22, 10-12 a.m. (Pacific Time)
Title: Free Wasserstein manifold. Speaker: David Jekel and Wuchen Li, UC San Diego and University of South Carolina at Columbia.Abstract, Slides Wuchen Li, Slides David Jekel.