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.
Many Speakers
September 27, 2021
09:00
(TBA)
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)
Arkadius