Talks given by Indira Chatterji
Ghent Summer School on hight demnsional expanders
Créteil, February 10th, 2023.
MMI Lyon, January 23rd, 2023, Hyperbolicité .
Caen, December 13th, 2022, Espaces et groupes delta-médians .
ICTS Ergodic Theory and Dynamical Systems , in honor of S.G. Dani , Group actions on ell-p spaces , December 5th, 2022 (on-line).
Fudan, October 20th, 2022, On delta-median spaces and groups (on-line).
Oberwohlfach, July 25th, 2022, Several classes of finitely generated groups .
Grenoble joint AMS-EMS-SMF meetings, Horospheres and hyperbolicity , July 18th, 2022.
ETH Zürich, Marc Burger's prime , Horospherical random graphs , July 1st, 2022.
IHES, May 12 Initiative , May 17th, 2022, Institutional bias .
Porquerolles, DataShape meeting, May 9 and 11, 2022, Introduction au groupe fondamental et théorie des noeuds .
Geneva, March 29th, 2022, Groupes agissant sur les espaces médians à delta près .
TATA Institute Colloquium, March 24th, 2022, Property (T) versus aTmenability . (on-line)
Orsay, March 21st, 2022, Groupes agissant sur les espaces médians à delta près .
Toulouse, March 8th, 2022, Festival Les Maths en Scène , Hyperbolicité .
Indian Women in Mathematics, January 29th, 2022, Horospherical random graphs and lockdown strategies . (on-line)
Calcutta, CIMPA school , January 20, 21 and 22nd, 2022, Introduction to hyperbolicity . (on-line)
CIRM Chepoi conference, December 9th, 2021, Horospherical random graphs and expanders.
Groups in Madrid , November 25th, 2021, On ell-2 Betti numbers for groups .
Séminaire Kervaire on the Baum-Connes conjecture , October 25 and 26, 2021, Introduction to the Rapid Decay property .
GAGTA 2021 , June 11th, 2021, On ell-2 Betti numbers for groups . (on-line)
Nice, internal, 12 and 18 April, 2021, Introduction to expanders . (on-line)
Dalhousie Colloquium, February 4th, 2021, Group rings and relative hyperbolicity . (on-line)
Sheffield Colloquium, October 14th, 2020, Group rings and relative hyperbolicity . (on-line)
Tufts Geometric Group Theory seminar, September 29th, 2020, Proper actions on Lp spaces . (on-line)
MSRI, Introductory workshop, September 8,9 and 10th, 2020, Property (T) versus aTmenability . (on-line)
Topological groups seminar in Hawaii, July 7th, 2020, Proper actions on Lp spaces . (on-line)
Séminaire francophone de groupes et géométrie , May 7th, 2020, Algèbres de groupes et hyperbolicité relative Postponed: ETHZ, June 29 to July 3rd, 2020, Burger prime.
Postponed: Edinburgh, June 22 to June 26, 2020, GAGTA .
Columbia University, September 13th, 2019, Group actions on median spaces .
Technion, July 29-August 2nd 2019, Introduction to Median spaces , Into the forest .
Luminy, June 17-21st 2019, Tangent spaces and proper actions on Lp-spaces , Aspects of Non-Positive and Negative Curvature in Group Theory .
London, May 1st 2019, Proper actions on Lp-spaces .
Nice, 26 avril 2019, Introduction aux immeubles , groupe de travail.
Rennes, 4 mars 2019, Espace tangents et actions sur un Lp , séminaire.
New Delhi February 18th, Gwalior February 20th and Lucknow February 26th, 2019, The geometry of groups , IWM public lectures series.
ETH Zurich, Tangent bundles and actions on Lp-spaces , January 22-25th, 2019, Alessandra Iozzi 60th birthday
Nice, Introduction to CAT(0) cubical complexes , 7-11 janvier 2019, Winter School in Nice .
Orléans, Ballade géométrique au pays des groupes de type fini , 14 juin 2018. Journée de l'Institut Denis Poisson .
Nasholim, Israel, A flow on hyperbolic thin graphs , 27 mai 2018.
Non-positive curvature on the Mediterranean .
Genève, Complexes cubiques CAT(0) et hyperbolicité acylindrique , 31 octobre 2017.
Montpellier, Complexes cubiques CAT(0) et hyperbolicité acylindrique , 6 octobre 2017.
Newton Institute, Old results and new questions on the Rapid Decay Property, 12 mai 2017. Approximation, deformation, quasification.
Newton Institute, Median spaces and spaces with thin triangles , 13 avril 2017. Program seminar.
Southampton, Acylindrical hyperbolicity of groups acting on CAT(0) cube complexes , 27 avril 2017. Asymptotic decomposition methods in geometry, dynamics and operator algebras.
Colloquium du LJAD, Ballade géométrique au pays des groupes discrets , 6 février 2017.
MSRI, Median spaces in the Median seminar, September 13th and 20th, 2016.
Singapore, IMS, Group actions on CAT(0) cube complexes , 17 août 2016.
Wienna, The median class for groups acting on CAT(0) cube complexes , 28 juillet 2016.
Genève, Complexes cubiques CAT(0) et cohomologie bornée , 3 mai 2016.
Montevideo, Group actions on CAT(0) cube complexes , 22 avril 2016.
Nice, Introduction aux complexes cubiques CAT(0) , 1 mars 2016.
Lyon, Complexes cubiques CAT(0) et actions de groupes , 18 novembre 2015.
Orsay, Introduction to the Rapid Decay property , 18 juin 2015, Around Langlands correspondances .
OSU, The median class for groups acting on CAT(0) cube complexes , 26 mai 2015.
Berkeley, The median class for groups acting on CAT(0) cube complexes , 6 mai 2015.
Lac de Come, Introduction aux complexes cubiques CAT(0) , 24 septembre 2014.
Rennes, The median class for groups acting on CAT(0) cube complexes , 17 juin 2014. Geometric, dynamical and combinatorial aspects of infinite groups .
Pisa, The median class for groups acting on CAT(0) cube complexes , 30 mai 2014.
Strasbourg, Complexes cubiques CAT(0) et actions de groupes , colloquium 16 mai 2014.
ENS Paris, Groupes, géométrie et analyse , séminaire Des Mathématiques, 30 avril 2014.
Luminy, Introduction to amenability , 13 janvier 2014.
ISI Delhi, Actions on CAT(0)cube complexes , 13 novembre 2013.
JNU Delhi, Bounded cohomology and subgroup distortion , 8 octobre 2013.
INSA Delhi, Glass ceiling in France for math professor promotions , 24 septembre 2013, during the Summit for Women in Sciences.
IISER Pune, Groups, geometry and analysis , Indian women in mathematics , 26 juillet 2013.
Villetanneuse, Complexes cubiques CAT(0) et la classe de cohomologie bornée médiane , 30 mai 2013.
Orsay, La classe médiane pour les groupes agissant sur un complexe cubique CAT(0) , 24 mai 2013.
New York Women in math and computer sciences , Geometric group theory, gender (in)balance and affirmative action in Switzerland, US, France and India 10 mai 2014.
IISER Mohali, Groups, geometry and analysis , 23 avril 2013.
Vivekananda University, Calcutta, The median class for groups acting on CAT(0) cube complexes. 22 mars 2014.
University of Delhi, Groups, geometry and analysis , 19 mars 2013.
Université de Metz, Groupes agissant non-trivialement sur des complexes cubiques CAT(0) , 20 décembre 2012.
University of Michigan, The median class for groups acting on CAT(0)
cube complexes , 6 décembre 2012.
Cornell University, The median class for groups acting on CAT(0)
cube complexes , 3 décembre 2012.
Université de Glasgow, The median class for groups acting on CAT(0) cube complexes , 31 octobre 2012.
Oxford, Central extensions and bounded cohomology , 18 février 2012.
Bonn, Central extensions and bounded cohomology , 22 décembre 2011, Geometric group theory day.
ENS Lyon, Distortion et cohomologie bornée Groupe de travail, 30 septembre 2011.
Neuchatel, Groupes, géométrie et analyse , colloquium, 27 septembre 2011.
LSU, Central extenstions and bounded cohomology , in the follow-up workshop, 10 juillet 2011.
OSU, Random walks , in my conference, June 3rd 2011.
Clermont Ferrand, Groupes et géométrie , Séminaire du labo, 7 mars 2011.
New Orleans, Distortion and bounded cohomology , AMS meeting, January 7th, 2011.
Grenoble, Cohomologie bornée des groupes de Lie , séminaire de topologie, 2 décembre 2010.
Montreal, Introduction to median spaces , Group actions and dynamics conference at CRM, October 6th 2010.
Indianapolis, Distorted centers and bounded cohomology , Wabash analysis conference, October 3rd 2010.
Bangalore, Median spaces and property (T) , ICM satellite conference, August 2010.
Vogtmann Fest in Luminy, On a finitely presented lazy group , June 2010.
Cornell Topology Festival, Distorted centers and bounded cohomology , May 2010.
OSU Topology seminar, Distorted centers and bounded cohomology , January 2010.
JNU, conferences on Advances in Mathematics, Groups, Geometry and Analysis , New Delhi, October 1st, 2009.
Orléans, séminaire du MAPMO, Groupes et géométrie , September 24th, 2009.
Université de Rennes, Espaces Médians et propriété (T) , September 21st, 2009.
IHES, Pansu 50th birthday, On Nori's question , September 2009.
Ascona, conference on Affine actions, Cohomology and distortion for central subgroups in Lie groups , June 2009.
Strasbourg, Geometric group theory conference, Distorted centers and bounded cohomology , June 9, 2009.
Oberwohlfach, Manifolds perspectives, Distorted centers and bounded cohomology , May 2009
Université de Vannes, Espaces médians , March 13, 2009.
CUNY Graduate center, A caracterization of hyperbolicity , March 3, 2009.
Université de Versailles, La propriété de décroissance rapide pour les groupes semisimples p-adiques , February 10, 2009.
Caen, rencontres trans-Couenon, New examples of finitely presented groups with strong fixed point properties , December 2008.
OSU, New examples of finitely presented groups with strong fixed point properties , November 2008.
TIFR Bombay, Median spaces , August 2008.
OSU, (Relatively) hyperbolic groups , Examples of groups , June 2008.
Puerto Rico, Median spaces and property (T) , Workshop on Analysis on groups, March 17, 2008.
CUNY Graduate center, Median spaces , February 15, 2008.
Orsay, La propriété de décroissance rapide , December 2007.
MSRI, Median spaces Topics in geometric group theory conference, November 7, 2007.
Marseille, Espaces médians et propriété (T) , September 28, 2007.
MSRI, Gromov's theorem on polynomial growth groups , Classics of Geometric Group Theory, August 24, 2007.
Bedlewo, Summer school on non-positive curvature, Median spaces , June 29, 2007.
Université de Caen, Espaces médians , June 13, 2007.
Penn State University, Median spaces and Property (T) , April 13, 2007.
The Ohio-State University, Median spaces , March 28, 2007.
EPFL, Phylogenetic tree-space as a median space , March 13, 2007.
EPFL, Embedding median spaces in L1-spaces , March 12, 2007.
The Ohio-State University, Median spaces and Property (T) , February 22, 2007.
Columbia University, Median spaces , February 16, 2007.
Orsay, A characterization of hyperbolicity , February 2, 2007.
Université de Lille, A characterization of hyeprbolicity , February 1, 2007.
EPFL, conference on affine actions, Median spaces and Property (T) , January 22, 2007.
University of Geneva, Median spaces and Property (T) , December 19, 2006.
ETHZ, Traces and groups C*-algebras , December 18, 2006.
Neuchatel University, A characterization of hyperbolicity , Groups and Geometry day, November 27, 2006.
ETHZ, A characterization of hyperbolicity , November 1, 2006.
The Ohio-State University, A characterization of hyperbolicity , October 18, 2006.
Louisiana State University, A characterization of hyperbolicity , October 13, 2006.
Cornell University, A characterization of hyperbolicity , September 22, 2006.
The Ohio-State University, Gromov hyperbolic groups , Invitation to research, May 8, 2006.
Univerity of Pennsylvania, Group ring conjectures , Colloquium April 5, 2006.
CMI Marseille, Propriété DR et distorsion de sous-groupes , March 6, 2006.
University of Chicago, Property RD , March 2, 2006.
Palo Alto, AIM workshop on property RD Southampton, A characterization of hyperbolicity , LMS series, December 16th, 2005.
Imperial College London, The property of Rapid Decay on locally compact groups , LMS series, December 15th, 2005.
Glasgow, Homotopy idempotents on closed manifolds and the Geoghegan conjecture , LMS series, December 12, 2005.
Michigan Ann Arbor, A characterization of hyperbolicity , November 18, 2005.
The Ohio-State University, Introduction to relatively hyperbolic groups , October 5, 2005
Workshop on the Baum-Connes conjecture, University of Neuchatel, Group rings, completions and conjectures , September 8, 2005.
TIFR Mumbai, The property of Rapid Decay on locally compact groups , August 22, 2005.
HRI Allahabad, Homotopy idempotents on closed manifolds and the Geoghegan conjecture , July 29, 2005.
Wasach Topology Conference, Homotopy idempotents on closed manifolds , June 2, 2005.
IAS Princeton, The Geometry of Groups , 4 undergraduate lectures, May 2005.
CUNY Graduate Center, The property of Rapid Decay on locally compact groups , March 8, 2005.
Yale University, The property of Rapid Decay for lattices in rank one Lie groups , February 28, 2005.
Columbia University, Groups acting on wall-spaces , February 25, 2005.
University of Utah, The property of Rapid Decay , February 1, 2005.
University of Utah, On the Geoghegan conjecture , February 1, 2005.
University of Illinois at Urbana-Champaign, The property of Rapid Decay , January 26, 2005.
Workshop on K-theory and the geometry of groups, University of Hawaii, Property RD and groups acting on CAT(0) cube complexes , January 20, 2005. The Ohio-State University, The property of Rapid Decay , January 11, 2005. CMS Winter 2004 meeting in Montréal, Discrete groups, operator norms and distortion , December 13, 2004. University of Minnesota , Group ring conjectures , December 7, 2004. G3 conference , Destin Florida, Toward a generalization of hyperbolic spaces II , November 12, 2004. Cornell University , A characterization of hyperbolic spaces , November 9, 2004. Texas A&M, Some groups acting on CAT(0) cube complexes , October 13, 2004. Albany 2004, A characterization of hyperbolic spaces and R-trees , parallel session, October 9, 2004. Binghamton University, On the Geoghegan conjecture , September 9, 2004. Albany CBMS conference, Toward a generalization of hyperbolic spaces , August 18, 2004. Université de Neuchâtel , Normes d'opérateurs et groupes de Lie , June 29, 2004. Cortona, Random walks conference Property RD on locally compact groups , parallel session , June 14, 2004. Wabash analysis conference Indiana, Property RD on locally compact groups , April 3, 2004. IUPUI, Indianapolis, Group ring conjectures , April 2, 2004. Cornell University , Group ring conjectures , April 1, 2004 in the Oliver Club . Caltech, Pasadena, Rapid decay and relatively hyperbolic groups , March 26, 2004. McMaster University Hamilton, On Euler Characteristics for groups , March 8, 2004. Cornell University , Some groups acting on CAT(0) cube complexes , February 17, 2004.CUNY Graduate Center, Some groups acting on CAT(0) cube complexes , February 6, 2004. CMI Marseille, La propriété DR pour les réseaux en rang 1 , January 5, 2004. Joint India-AMS meeting, Bangalore, Some groups acting on L-delta-spaces , December, 2003. Paris Jussieu, La propriété DR pour certains groupes relativement hyperboliques , Decembre 4, 2003. Université de Neuchâtel , La propriété DR pour certains groupes relativement hyperboliques , December 2, 2003. ETH Zürich, The Rapid Decay property for all rank one lattices , December 1, 2003, Algebra-Topology seminar. Paris Orsay, Construction d'un complexe cubique CAT(0) à partir d'un espace a murs , November 18, 2003. Munster, New examples of groups with the Rapid Decay property , November 6, 2003. Brandeis University , From wall spaces to CAT(0) cube complexes , October 21, 2003. Cornell University , From wall spaces to CAT(0) cube complexes , October 16, 2003. AMS meeting, Binghamton, Rapid Decay and Geometry (joint with K. Ruane), October 12, 2003. University of Adelaide , Introduction to the Rapid Decay property , September 26, 2003. St. Stephens college, New Delhi, Groups and geometry , September 11, 2003. HRI Allahabad, Euler Characteristics for groups , September 9, 2003. TIFR Bombay, New examples of groups with the Rapid Decay property , Colloquium, August 7, 2003. Durham LMS Symposium, New examples of groups with the Rapid Decay Property , July 6, 2003. Université de Neuchâtel , Cubical CAT(0) complexes , June 21, 2003. Université de Neuchâtel , La conjecture de Bass , Colloque, June 16, 2003. Gaeta, Grigorchuck's 50th birthday, On L-delta spaces , parallel session , June 2, 2003. Journées Algèbres d'Opérateurs, Orléans, The Rapid Decay property for cubical CAT(0) groups , May 6, 2003. Kent State University , Group ring conjectures , Colloquium, March 20, 2003. Cornell University , On the exceptional group SL_3(\bf O) , Lie groups seminar, February 14, 2003. Cornell University , Twisted idempotent conjectures , February 11, 2003. Université de Neuchâtel , Conjecture des idempotents tordue par un 2-cocycle , January 13, 2003. GGT 2002 Guwahati, Twisted idempotent conjectures , December 18, 2002. The Ohio State University , Twisted idempotent conjectures , November 26, 2002. Cornell University , The Rapid Decay property , October 17, 2002 in the Oliver Club . Binghamton University , The Bass conjecture for amenable groups , October 10, 2002. Cornell University , On the Bass conjecture , September 17, 2002. University of Adelaide , Around the Bass conjecture , May 3, 2002. TIFR Bombay, The Rapid Decay property for discrete groups , March 13, 2002. Université de Neuchâtel , Around the Rapid Decay property , February 13, 2002, SMS Geometry Meeting . ETH Zürich, From acyclic groups to the Bass conjecture for amenable groups , January 14, 2002, Algebra-Topology seminar. ETH Zürich, An introduction to property (RD) for discrete groups , November 7, 2001, Differential geometry seminar. Université de Lyon, Propriété (DR) et isométries grossières , November 6, 2001, Séminaire de Géométrie Noncommutative. CRM Barcelona, euroconference on proper group actions, On property (RD) for discrete groups , September 19, 2001. Penn State University, workshop on negatively curved spaces, Property (RD) for cocompact lattices in a finite product of rank one Lie groups , March 19, 2001.
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