Selected communications of Alexander D. Rahm



Invited by

July 14 to 16, 2014

Workshop on Bianchi and Siegel modular forms, Sheffield,

Bianchi modular forms of varying discriminant, level and weight

Tobias Berger

July 10, 2014

Seminar on Euler Systems/Arithmetic Geometry, U. Duisburg-Essen,

The image of the Borel-Serre bordification in algebraic K-theory

Oliver Bräunling

June 2 to 6, 2014

LMFDB Workshop: Bianchi and Hilbert Modular Forms, elliptic curves over number fields, LMFDB development. University of Warwick

John Cremona

April 14, 2014

Université de Neuchâtel,

An access to Bredon homology

Alain Valette

December 20, 2013

Universitaet Giessen, Germany,

Determination of torsion invariants of arithmetic groups

Ralf Koehl

July 19, 2013

Seminar of the Institute of Physics and Mathematics at Universidad Austral de Chile (UACh), Valdivia

Group Actions and Orbit Spaces

Rodrigo Vargas

April 11, 2013

Séminaire Algèbre et topologie, IRMA Strasbourg,

Calculs efficaces au dessus de la dimension cohomologique virtuelle

Christine Vespa

December 20, 2012

Séminaire du laboratoire LSIIT Strasbourg,

Homologie calculatoire de groupes modulaires

Pascal Schreck, Mohamed Tajine

December 7, 2012

6th de Brun Workshop

Linear Algebra and Matrix Theory: connections, applications and computations,

A new technique to extract invariants of matrix groups

Niall Madden, Rachel Quinlan

July 1 to 6, 2012

Banff International Research Station for Mathematical Innovation and Discovery, Canada,

Talk contributed to the workshop Torsion in the homology of arithmetic groups: geometry, arithmetic, and computation

Paul Gunnells

June 4, 2012

Vrije Universiteit Amsterdam,

The arithmetic of symmetric spaces

Rob de Jeu

February 2012

University College Dublin,

Torsion subcomplex reduction and conjugacy classes graphs

Kevin Hutchinson

February 2012

Universität Freiburg,

Reduktion von Torsionsunterkomplexen und Konjugiertenklassengraphen

Matthias Wendt

November 2011

Technische Universität Darmstadt,

Polyhedral models for arithmetic groups

Michael Joswig

November 2011

Seminar on Representation Theory and Algebraic Geometry, W.I.S.,

Number-theoretic formulae for the homological torsion of the Bianchi groups

Dmitry Gourevitch

October 2011

Hebrew University of Jerusalem, Amitsur Algebra seminar,

Stringy orbifolds

Alex Lubotzky

July 2011

London Mathematical Society - EPSRC Durham Symposium Geometry and Arithmetic of Lattices , Durham (England),

Implications of hyperbolic geometry to operator K-theory of artihmetic groups

Mikhail Belolipetsky

March 2011

GdT. Géométrie hyperbolique et surfaces de Riemann, Univ. Paris 7, Inst. Math. Jussieu,

La torsion homologique de SL_2 d'anneaux d'entiers

Nicolas Bergeron

February 2011

Séminaire Algèbre et topologie, IRMA Strasbourg,

Modèles cellulaires pour des groupes arithmétiques

Hans-Werner Henn

February 2011

Séminaire Théorie des Nombres de Bordeaux,

La conjecture de Baum/Connes - un accès explicite

Guilhem Castagnos

December 2010

Seminar on Representation Theory and Algebraic Geometry, W.I.S., (Co)homologies and K-theory of Bianchi groups using computational geometric models

Stephen Gelbart

November 2009

National University of Ireland at Galway,

The integral homology of PSL_2 of imaginary quadratic integers with non-trivial class group

Graham Ellis

November 2009

Séminaire Algèbre et Géométries, Grenoble,

Domaines fondamentaux pour groupes de matrices sur des entiers quadratiques imaginaires

Alessandro Chiodo

October 2009

Conférence de l'Institut Fourier, Autrans,

Homologie de groupes discrets d'isométries de l'espace hyperbolique

Michel Brion

September 2009

Joachim Schwermer

June 2009

Alg., Géom. Alg., Top. Alg., I3M Montpellier,

Homologie à coefficients entiers de PSL_2 sur des anneaux d'entiers quadratiques imaginaires

Nicolas Ressayre

June 2009

Research Seminar Comp. Algebra & Number Theory, Düsseldorf,

The integral homology of PSL_2 of imaginary quadratic integers

Fritz Grunewald

June 2009

Séminaire Théorie des Nombres de Montpellier

Louise Nyssen

November 2008

    Autumn School about Geometric invariants of groups, Göttingen

    Homology of isometry groups of Hyperbolic Space

Andreas Thom

June 2007

Summer School in Algebraic Topology, Univ. Lille,

Characteristic classes of complexified bundles

Sadok Kallel

September 2006

Conference at the Banach Math. Center, Bedlewo, Poland,

Characteristic classes of real generator bundles

Thomas Schick

2006

Séminaire Gaston Darboux, I3M Montpellier,

Variétés pseudoriemanniennes et réductions de fibrés principaux

Philippe Elbaz-Vincent

2006

Math. Institut, Universität Tübingen,

The Lefschetz hyperplane intersection theorem

Victor Batyrev