Ulrich Bunke
I will give an overview over basic features of equivariant coarse homotopy theory.  Thereby the emphasis is put on…
September 30, 2022
14:00
EST
Organized by Americas GNCG Seminar.
Fabio Cipriani
We introduce spectral weights ρ(L) of positive, self-adjoint operators L having dis-crete spectrum away from zero. We provide criteria for measurability and…
May 18, 2022
14:00
CEST
Organized by Europe GNCG Seminar.
Yves Andre
The Tate conjecture has two parts: i) Tate classes are generated by algebraic classes, ii) semisimplicity of Galois representations…
May 6, 2022
15:00
EST
Organized by Americas GNCG Seminar.
Guo Chuang Thiang
The coarse index of J. Roe beautifully expands index theory to noncompact manifolds. It appears abstract at first glance,…
May 4, 2022
14:00
CEST
Organized by Europe GNCG Seminar.
Sarah Reznikoff
We examine the regular ideals of C*-algebras, examining which properties are preserved under quotients by these as well as…
April 20, 2022
14:00
CEST
Organized by Europe GNCG Seminar.
Rufus Willett
A $C^*$-algebra satisfies the UCT if it is K-theoretically the same as a commutative $C^*$-algebra, in some sense.  Whether…
March 11, 2022
15:00
EST
Organized by Americas GNCG Seminar.
Gui Zhengping
Trace map on deformation quantized algebra leads to the algebraic index theorem. We investigate a two dimensional chiral analogue…
March 9, 2022
14:00
CET
Organized by Europe GNCG Seminar.
Shahn Majid
We study geodesics flows on curved quantum Riemannian geometries using a recent formulation in terms of bimodule connections and…
February 23, 2022
14:00
CET
Organized by Europe GNCG Seminar.
Ivan Todorov
Morita equivalence, having arisen first in Algebra, has had a continuing impact on non-commutative analysis, after its introduction into…
January 26, 2022
14:00
CET
Organized by Europe GNCG Seminar.
Gilles Pisier
We give several characterizations of the lifting property (LP in short) using the maximal tensor product  for $C^*$- algebras. The…
January 14, 2022
15:00
EST
Organized by Americas GNCG Seminar.
Dustin Clausen
I will discuss joint work with Peter Scholze in which we propose replacements for the standard categories of topological…
November 12, 2021
15:00
EST Toronto
Organized by Americas GNCG Seminar.
Inna Zakharevich
In this talk we give a description of a lift of the Dennis trace and the characteristic polynomial to…
October 22, 2021
15:00
EST (Toronto)
Organized by Americas GNCG Seminar.
Benjamin Steinberg
 In the seventies, Feldman and Moore studied Cartan pairs of von Neumann algebras. These pairs consist of an algebra A and a…
October 8, 2021
15:00
EST
Organized by Americas GNCG Seminar.
Giles Gardam
The Kadison–Kaplansky conjecture states that the reduced C*-algebra of a torsion-free discrete group has no idempotents other than 0…
September 17, 2021
15:00
EST (Toronto)
Organized by Americas GNCG Seminar.
Alain Connes
I will analyze two fundamental “spaces” using the paradigms of spectral and of algebraic geometry. The spectral paradigm is…
September 3, 2021
15:00
EST (Toronto)
Organized by Americas GNCG Seminar.
Lachlan MacDonald
 Chern-Weil theory describes a procedure for constructing the characteristic classes of a smooth manifold from geometric data (such as…
June 21, 2021
09:00
UTC
Organized by Asia-Pacific GNCG Seminar.
Chi-Keung Ng
Motivated by quantum states with zero transition probability, we introduce the notion of ortho-set which is a set equipped…
June 9, 2021
14:00
CEST
Organized by Europe GNCG Seminar.
Alain Connes
This is joint work with C. Consani. When contemplating the low lying zeros of the Riemann zeta function one…
June 2, 2021
17:15
CEST
Organized by Americas GNCG Seminar.
Romain Tessera
In a joint work with Anthony Genevois, we classify up to quasi-isometry the class of lamplighter groups over one-ended finitely…
May 31, 2021
11:00
CEST
Organized by Asia-Pacific GNCG Seminar.
Zhengwei Liu
Quantum Fourier Analysis is a subject that combines an algebraic Fourier transform (pictorial in the case of subfactor theory) with…
May 17, 2021
11:00
CEST
Organized by Asia-Pacific GNCG Seminar.
Matthew Kennedy
Recently, Davidson and I introduced a new framework for noncommutative convexity and noncommutative function theory, along with a corresponding…
May 5, 2021
16:00
CEST
Organized by Europe GNCG Seminar.
Ieke Moerdijk
Simplicial sets form a classical and well known tool for modelling topological spaces, and more recently topologically enriched categories…
April 23, 2021
14:00
EDT
Organized by Americas GNCG Seminar.
Adam Rennie
 I will outline efforts to describe the Kasparov product of two unbounded Kasparov modules in terms of another unbounded…
April 12, 2021
09:00
UTC
Organized by Asia-Pacific GNCG Seminar.
Omar Mohsen
Using techniques from noncommutative geometry, I will present a very general inhomogeneous pseudo-differential calculus which allows us to obtain…
April 5, 2021
11:00
CEST
Organized by Asia-Pacific GNCG Seminar.
Dan Voiculescu
The quasicentral modulus is a numerical invariant associated with a n-tuple of Hilbert space operators and a normed ideal of…
March 26, 2021
18:00
UTC
Organized by Americas GNCG Seminar.
Joachim Cuntz
Kasparov’s KK-theory which is based on so called Kasparov-modules can be described much more algebraically using universal extensions and classifying maps…
March 1, 2021
10:00
CET
Organized by Asia-Pacific GNCG Seminar.
Eckhard Meinrenken
The idea of assigning weights to local coordinate functions appears in many areas of mathematics, such as singularity theory,…
February 19, 2021
14:00
EST
Organized by Americas GNCG Seminar.
Sergiy Neshveyev
Given a C$^*$-algebra $A$ with an almost periodic time evolution we define a new C$^*$-algebra $A_c$ whose states parameterize…
February 16, 2021
15:00
CET
Organized by Europe GNCG Seminar.
Damien Tageddine
McGill University
March 28, 2025
16:00
(UTC)
Chris Bruce
Newcastle University
March 7, 2025
16:00
(UTC)
Haluk Sengun
University of Sheffield
April 14, 2023
14:00
(EST)
Jesus Sanchez Jr
Washington University in St Louis
February 17, 2023
14:00
(EST)
Huanhuan Li
School of Mathematical Sciences, Anhui University, Hefei, Chinaathematical Sciences, Anhui University, Hefei, China
December 2, 2022
14:00
(EST)
Bernardo Uribe
Universidad del Norte, Barranquilla, Colombia.
November 18, 2022
14:00
(EST)
Sven Bachmann
University of British Columbia
November 11, 2022
14:00
(EST )
Ulrich Bunke
Universität Regensburg
September 30, 2022
14:00
(EST)
Alain Connes
IHES
June 22, 2022
14:00
(CEST)
Fabio Cipriani
Politecnico Milano
May 18, 2022
14:00
(CEST)
Yves Andre
Institut de Mathématiques de Jussieu, Paris
May 6, 2022
15:00
(EST)
Guo Chuang Thiang
Beijing University
May 4, 2022
14:00
(CEST)
Anna Marie Bohmann
Vanderbilt
April 29, 2022
15:00
(EST)
Sarah Reznikoff
Kansas State University
April 20, 2022
14:00
(CEST)
Yang Liu
SISSA, Trieste
March 23, 2022
14:00
(CET)
Rufus Willett
University of Hawai’i
March 11, 2022
15:00
(EST)
Gui Zhengping
March 9, 2022
14:00
(CET)
Ralph Kaufmann
Purdue University
February 25, 2022
15:00
(EST)
Shahn Majid
Queen Mary University of London
February 23, 2022
14:00
(CET)
Jamie Gabe
University of Southern Denmark
February 9, 2022
14:00
(CET)
Ivan Todorov
University of Delaware
January 26, 2022
14:00
(CET)
Gilles Pisier
Texas A&M University
January 14, 2022
15:00
(EST)
Søren Eilers
University of Copenhagen, Denmark
December 20, 2021
09:00
(UTC)
Jinmin Wang
Texas A&M University
December 1, 2021
15:30
(CET)
Adam Dor-On
University of Muenster, University of Haifa
November 22, 2021
09:00
(UTC)
Gilles de Castro
Federal University of Santa Catarina, Brazil.
November 19, 2021
15:00
(EST)
Sophie Mikkelsen
University of Southern Denmark
November 17, 2021
14:00
(CET)
Dustin Clausen
Department of Mathematics, University of Copenhagen
November 12, 2021
15:00
(EST Toronto)
Ernesto Lupercio
Cinvestav, Mexico.
November 5, 2021
15:00
(EST)
Alex Chi-Kwong Fok
NYU Shanghai
October 25, 2021
09:00
(UTC)
Inna Zakharevich
Cornell University
October 22, 2021
15:00
(EST (Toronto))
Branimir Cacic
University of New Brunswick
October 20, 2021
14:00
(CEST)
Yongle Jiang
Dalian University of Technology
October 11, 2021
09:00
(UTC)
Benjamin Steinberg
City College of New York and CUNY Graduate Center.
October 8, 2021
15:00
(EST)
Giles Gardam
Muenster
September 17, 2021
15:00
(EST (Toronto))
Alain Connes
College de France and IHES
September 3, 2021
15:00
(EST (Toronto))
Lachlan MacDonald
University of Adelaide
June 21, 2021
09:00
(UTC)
David Kyed
Syddansk Universitet
June 16, 2021
14:00
(CEST)
Valerio Proietti
East China Normal University
June 14, 2021
09:00
(UTC)
Chi-Keung Ng
Nankai University
June 9, 2021
14:00
(CEST)
Nick Wright
the University of Southampton
June 7, 2021
09:00
(UTC)
Arkadiusz Bochniak
Jagiellonian University, Krakow/ Indiana University Bloomington
June 2, 2021
14:00
(CEST)
Alain Connes
IHÉS/Collège de France
June 2, 2021
17:15
(CEST)
Romain Tessera
Institut de Mathématiques de Jussieu – Paris Rive Gauche
May 31, 2021
11:00
(CEST)
Raimar Wulkenhaar
Westfälische Wilhelms-Universität Münster
May 26, 2021
14:00
(CEST)
Steve Rosenberg
Boston University
May 24, 2021
11:00
(CEST)
Zhengwei Liu
Tsinghua University
May 17, 2021
11:00
(CEST)
Matthew Kennedy
University of Waterloo
May 5, 2021
16:00
(CEST)
Anna Skripka
University of New Mexico
April 30, 2021
14:00
(EDT)
Adam Skalski
IMPAN
April 28, 2021
14:00
(CEST)
Ieke Moerdijk
Utrecht University
April 23, 2021
14:00
(EDT)
Wilhelm Winter
University of Muenster
April 19, 2021
09:00
(UTC)
Paulo Carrillo Rouse
Université Toulouse III
April 14, 2021
14:00
(CEST)
Adam Rennie
University of Wollongong, Australia
April 12, 2021
09:00
(UTC)
Omar Mohsen
Universität Münster
April 5, 2021
11:00
(CEST)
Adam Magee
SISSA, Trieste
March 31, 2021
14:00
(CET)
Benoît Collins
University of Kyoto
March 29, 2021
18:00
(JST)
Dan Voiculescu
University of California, Berkeley
March 26, 2021
18:00
(UTC)
Hermann Schulz-Baldes
Universität Erlangen-Nürnberg
March 24, 2021
14:00
(CET)
Stefaan Vaes
KU Leuven
March 22, 2021
10:00
(CET)
Pere Ara
Universitat Autónoma de Barcelona
March 19, 2021
14:00
(EDT)
Catherine Meusburger
Universität Erlangen-Nürnberg
March 17, 2021
14:00
(CET)
Hao Guo
Texas A&M University
March 15, 2021
20:00
(GMT+11)
Asghar Ghorbanpour
University of Western Ontario
March 12, 2021
14:00
(EST)
Paolo Piazza
Universitá di Roma “Sapienza”
March 10, 2021
14:00
(CET)
Shilin Yu
Xiamen University
March 8, 2021
17:00
(GMT+8)
Claire Debord
Paris 7
March 5, 2021
14:00
(EST)
Kristin Courtney
Westfälische Wilhelms-Universität Münster
March 2, 2021
15:00
(CET)
Joachim Cuntz
University of Muenster, Germany
March 1, 2021
10:00
(CET)
Alcides Buss
Universidade Federal de Sanata Catarina
February 26, 2021
14:00
(EST)
Xiang Tang
Washington University
February 23, 2021
15:00
(CET)
Eckhard Meinrenken
University of Toronto
February 19, 2021
14:00
(EST)
Sergiy Neshveyev
Universitetet i Oslo
February 16, 2021
15:00
(CET)
Jens Hemelaer
University of Antwerp
February 5, 2021
14:00
(EST)
Lisa Glaser
Universität Wien
February 2, 2021
15:00
(CET)
Pierre Albin
University of Illinois at Urbana-Champaign
January 29, 2021
14:00
(EST)
Emil Prodan
Yeshiva University
January 22, 2021
14:00
(EST)
Francesco D’Andrea
University of Naples “Federico II
January 19, 2021
15:00
(CET)
Zhaoting Wei
Texas A&M University-Commerce
December 16, 2020
19:00
(UTC)
Iakovos Androulidakis
National and Kapodistrian University of Athens
December 9, 2020
19:00
(UTC)
Nigel Higson
Penn State University
November 11, 2020
19:00
(UTC)
Matthew Lorentz
University of Hawai‘i
October 28, 2020
19:00
(UTC)
Jonathan Block
University of Pennsylvania
October 21, 2020
19:00
(UTC)
Henri Moscovici
Ohio State University
October 20, 2020
15:00
(CEST)
Paolo Piazza
Universit`a di Roma “La Sapienza”
October 14, 2020
18:00
(UTC)
Nadia Larsen
Universitetet i Oslo
October 13, 2020
15:00
(CEST)
Bogdan Nica
Indiana University – Purdue University Indianapolis
October 7, 2020
19:00
(UTC)
Nigel Higson
Penn State University
October 6, 2020
15:00
(CEST)
Rudolf Zeidler
University of Münster
September 23, 2020
19:00
(UTC)
Alain Connes
IHÉS
September 22, 2020
15:00
(CEST)
Kristin Courtney
University of Münster
September 16, 2020
19:00
(UTC)
Yi Wang
Vanderbilt University
August 19, 2020
19:00
(UTC)
Jintao Deng
University of Waterloo
August 5, 2020
19:00
(UTC)
Raphael Ponge
Sichuan University
July 22, 2020
19:00
(UTC)
Aurelien Sagnier
John Hopkins University
July 8, 2020
19:00
(UTC)
Carla Farsi
University of Colorado
June 24, 2020
19:00
(UTC)
Rufus Willett
University of Hawaii
May 20, 2020
19:00
(UTC)
Yanli Song
Washington University in St. Louis
May 6, 2020
18:00
(UTC)
Benjamin Steinberg
( City College of New York and CUNY Graduate Center.),
October 8, 2021,
15:00
(EST).