Algebra, Topology and the Grothendieck-Teichmüller group

(August 28 – September 2, 2022)

Graph Complexes, GRT and cohomology of GLn

by Francis Brown (University of Oxford)


Stabilizer bitorsors in double shuffle theory

by Benjamin Enriquez (IMRA Strasbourg)

The stabilizer Lie algebra of the harmonic coproduct

by Khalef Yaddaden (IRMA Strasbourg)

Modular Inverters

by Richard Hain (Duke University)

Asymptotics for graph complex Euler characteristics

by Michael Borinsky (ETH Zurich)

Extensions of 1-cocycles of the mapping class group to the Ptolemy groupoid

by Yusuke Kuno (Tsuda University)

Poincare duality and TQFT structures for loop spaces

by Kai Celiekak (Augsburg)

Top weight cohomology of M_{g,n} and the handlebody group

by Dan Peterson (University of Stockholm)

Graph complexes, operadic mapping spaces and embedding calculus

– a survey

by Benoit Fresse (Lille)

Torsion in string topology

by Florian Naef (Dublin)

Gravity properad, moduli spaces M_g,n, and string topology

by Sergei Merkulov (Luxembourg)

Automorphisms of seemed surfaces, modular operads and Galois actions

by Marcy Robertson (Melbourne)

Rational homotopy of embedding spaces: grt(Q) and unitrivalent graphs

by Victor Turchin (Kansas State University)

Tangles in a Pole Dance Studio: A Reading of Massuyeau, Alekseev, and Naef

by Dror Bar-Natan (University of Toronto)