Talks and notes since 2002

Date Place/Event Title Notes
28/06/2017 Mathematikkolloquium, Universität Oldenburg, Germany On the arithmetic of modular forms [slides]
15/06/2017 Workshop on Arithmetic and Computation 2017, KU Leuven, Belgium On the arithmetic of modular forms [slides]
08/06/2017 Israel Algebra and Number Theory Day, Bar Ilan University On Galois representations of weight one
07/06/2017 Field Arithmetic Seminar, University of Tel Aviv On certain finiteness questions in the arithmetic of Galois representations
11/04/2017 Séminaire de théorie des nombres Clermont-Ferrand Sur les représentations galoisiennes des formes modulaires de Hilbert de poids un en caractéristique p
19/01/2017 Séminaire de théorie des nombres Besancon Sur les représentations galoisiennes des formes modulaires de Hilbert de poids un en caractéristique p
16/08/2016 Galois Representations and Automorphic Forms, Bedlewo On Galois representations of mod p Hilbert eigenforms of weight one
13/11/2015 Copenhagen, Arithmetic Geometry Days 2015 On Galois representations of mod p Hilbert eigenforms of weight one
24/06/2014 Number Theory Days Lille Automorphic Galois representations in the inverse Galois problem
13/03/2014 CIRM, Luminy, Théorie des Nombres et Applications Applying modular Galois representations in the Inverse Galois Problem
10/02/2014 Strasbourg, Séminaire Arithmétique et géométrie algébrique Sur les représentations galoisiennes en théorie de Galois inverse
05/02/2014 Oberwolfach, Workshop on Langlands Correpsondence and Constructive Galois Theory Applying modular Galois representations to the Inverse Galois Problem [Typed lecture notes]
27/01/2014 Köln, Number Theory Seminar On equidistribution of signs and the Sato-Tate conjecture
24/10/2013 Leiden, Algebra Seminar Images of Galois representations and the inverse Galois problem
27/09/2013 Besancon, Conférence: Méthodes algébriques et explicites en théorie des nombres On symplectic Galois representations and the inverse Galois problem
28/08/2013 Copenhagen, Workshop: Arithmetic of modular forms and related topics On Serre weights and discriminants
05/07/2013 Leonardo Summer School, Luxembourg Beschleunigung durch Abstraktion [Material.]
23/04/2013 CIRM Luminy, Représentation galoisiennes et théorie de Hodge p-adique : aspects théoriques et effectifs Questions on Galois Representations Modulo Prime Powers
19/04/2013 Bonn, Hausdorff Institute, Research Conference Arithmetic and Geometry Symplectic Galois representations and applications to the inverse Galois problem
2-4/4/2013 Higher School of Economics, Moscow Four lectures on Modular Galois Representations and Applications [Typed lecture notes]
02/02/2013 85. Arbeitstagung Allgemeine Algebra, Luxemburg Modular forms and the inverse Galois problem [Slides]
17/01/2013 Oberseminar Arithmetic and Algebraic Geometry, University of Duisburg-Essen Modular forms and the inverse Galois problem
19/09/2012 DMV-Jahrestagung 2012, Saarbrücken Modulformen und das inverse Galois-Problem [Slides (in English)]
30/05/2012 Tel Aviv University Symplectic Galois representations and applications to the inverse Galois problem
30/05/2012 Bar Ilan University On modular Galois representations modulo prime powers
12/05/2012 Kassel, Computeralgebratagung 2012 Modulare Galois-Darstellungen und Computeralgebra
06-10/02/2012 American University of Beirut Four lectures on modular forms and Galois representations [Typed lecture notes.]
19/01/2012 CIRM, Luminy, Théorie des nombres et applications Symplectic Galois representations and applications to the inverse Galois problem
5-9/12/2011 University of Copenhagen Lectures on Modular Galois Representations Modulo Prime Powers [Extended lecture notes.]
21/03/2011 Universität Magdeburg Was Modulformen uns über Zahlentheorie lehren - der unverzweigte Fall
17/03/2011 CIRM, AGCT 13 On modular Galois representations modulo prime powers
21/02/2011 Aachen, Erste Jahrestagung des SPP 1489 Die Serresche Modularitätsvermutung und Computer-Algebra
20/01/2011 Université du Luxembourg Galois Representations in Theory and Computation
29/11/2010 Paris, Séminaire de théorie des nombres de Jussieu Sur les représentations galoisiennes de poids un
25/11/2010 Lyon Sur les représentations galoisiennes de poids un
13/08/2010 Essen, GTEM-Day Galois Representations and the Inverse Galois Problem
14/07/2010 Paderborn Was Modulformen uns über Zahlentheorie lehren - der unverzweigte Fall
09/07/2010 CRM Barcelona, Modularity Conference On Galois Representations of Weight One
02/06/2010 Essen, Verleihung des Gottschalk-Diederich-Baedeker-Preises Was Hecke uns über Galois lehrt. [Video presentation.]
01/06/2010 Essen, Mathematische Miniaturen II Modulformen in Zahlentheorie und Geometrie - vom Vierquadratesatz zum letzten Satz von Fermat - [Video presentation.]
21/05/2010 Goethe-Universität Frankfurt Was Modulformen uns über Zahlentheorie lehren - der unverzweigte Fall
18/05/2010 Leuven, GTEM Workshop on Compuational Number Theory and Geometry On Galois Representations of Weight One
28/01/2009 Essen, Forschungsseminar on the Eigencurve Properties of the Eigencurve [Notes.]
11/12/2009 Uludag University, Bursa Computational Aspects of Serre's Modularity Conjecture
30/11/2009 Luminy, Théorie des nombres et applications Asymptotic behaviour of arithmetic properties of coefficients of modular forms [Video presentation.]
16/11/2009 Copenhagen Computing congruences of modular forms modulo prime powers [Video Presentation.]
07/09/2009 Third Annual GTEM Conference, Warwick Computing congruences of modular forms modulo prime powers [Video Presentation.]
17/07/2009 Regensburg, Seminar der Forschergruppe Modulformen und das inverse Galois-Problem [Notes on request.]
23/04/2009 Essen, IEM, Beiratskolloquium Zur Asymptotik von Modulformen - Wolken und deren Grenzen [Video presentation.]
23/04/2009 Essen, Schulstunde zum Girls' Day Zahlen und das Hüten von Geheimnissen [Material.]
03/04/2009 Luminy, Arithmétique, géométrie, cryptographie et théorie des codes (AGCT) Computing congruences of modular forms modulo prime powers [Video presentation.]
27/03/2009 Luminy, ESF Exploratory Workshop on CURVES, CODING THEORY, AND CRYPTOGRAPHY Computing (with) Modular Forms [Video presentation.]
11/03/2009 Clermont-Ferrand Sur la multiplicité des représentations galoisiennes de poids un [Notes on request.]
10/03/2009 Clermont-Ferrand Quelques questions asymptotiques pour les formes modulaires [Notes and video presentation on request.]
22/01/2009 Essen, Forschungsseminar on p-adic Galois representations Semi-stable representations and filtered (phi,N)-modules [Notes.]
19/12/2008 Barcelona One element generation of the coefficient field of a newform [Notes and video presentation on request.]
15/12/2008 Leiden A new result in inverse Galois theory using modular forms [Notes on request.]
13/11/2008 Poznan Modular Forms in Inverse Galois Theory [Notes on request.]
06/11/2008 Besançon Formes modulaires en théorie de Galois inverse [Notes on request.]
06/11/2008 Besançon Sur les multiplicités de représentations galoisiennes de poids un [Notes on request.]
26/08/2008 Southampton Serre's Modularity Conjecture - an Explicit Cohomological Description [Notes on request.]
17/07/2008 Essen, Forschungsseminar on Quaternion Algebras The Galois Representation Attached to a Hilbert Modular Form [Notes.]
18/06/2008 Essen, IEM Around coefficient fields of families of modular forms [Notes on request.]
14/06/2008 Essen, Tag der Mathmematik Über das Hüten von Geheimnissen (Populärer Vortrag) [Video presentation.]
04/06/2008 Essen, Kleine Form Zahlentheorie und Geometrie: alltäglich?! (Populärer Vortrag) [Video presentation.]
27/05/2008 Universität Kassel Modulformen in der inversen Galois-Theorie [Notes on request.]
14/05/2008 Universität Düsseldorf Modular Forms in Inverse Galois Theory [Notes on request.]
08/05/2008 Universität Hannover Anwendung von Modulformen in inverser Galois-Theorie [Notes on request.]
20/02/2008 Bristol On the generation of the coefficient field of a modular form [Notes and video presentation on request.]
31/02/2008 IML, Marseille-Luminy, Arithmétique et théorie de l'information Sur les coefficients de formes modulaires [Notes and video presentation on request.]
22/01/2008 Essen, IEM, Workshop Arithmetic Geometry On the coefficient field of a newform [Notes and video presentation on request.]
06/11/2007 Berlin, Humboldt-Universität On the generation of the coefficient field of a newform by one Hecke eigenvalue [Notes on request.]
21/09/2007 Leiden, Lorentz Center, Workshop "Galois Theory and Explicit Methods" Modular Forms in Inverse Galois Theory [Notes on request.]
14/06/2007 Essen, Forschungsseminar zur Einführung in die Theorie der automorphen Formen Lokale L-Funktionen, der lokale Führer und ein Resümee des Zusammenhangs zwischen Neuformen und kuspidalen automorphen Darstellungen [Rough notes.]
06/06/2007 Banff, Workshop Modular Forms: Arithmetic and Computation Multiplicities of Galois Representations of Weight 1 [Notes typed by Bjorn Poonen.]
26/04/2007 Essen, IEM, Beiratskolloquium Asymptotische Aspekte der Arithmetik von Modulformen [Video presentation on request.]
17/01/2007 Köln, Seminar Aachen-Köln-Lille-Siegen Inverse Galois Theory Via Modular Representations [Notes on request.]
15/11/2006 Regensburg, Tag der Naturwissenschaften Kryptographie mit elliptischen Kurven [Video presentation.]
11/10/2006 Conference on Modular Forms, Schiermonnikoog. Multiplicity Two [Notes on request.]
08/2006 Berkeley, Summer Workshop on Computational Number Theory at the MSRI Series of four lectures on: Modular Forms mod p [Notes.]
07/2006 Regensburg, Oberseminar Euler-Systeme Euler-Systeme und rationale elliptische Kurven [Notes on request.]
06/07/2006 IEM, Essen Modulformen in expliziter Zahlentheorie [Notes on request.]
11/04/2006 Lausanne Symboles modulaires et calcul de formes modulaires [Notes.]
25/01/2006 Regensburg, Oberseminar zu Néron-Modellen Verträglichkeit von Néron-Modellen unter Basiswechsel und Isogenien [Notes.]
10/10/2005 Strasbourg Formes et symboles modulaires mod p [Video presentation.]
06/09/2005 Leiden, Lunch Colloquium "This week's discoveries" of the Faculty of Science Modular Forms: Numbers and Geometry
02/09/2005 Leiden, Intercity Number Theory Seminar Modular Forms of Weight One Over Finite Fields [Video presentation on request.]
24/05/2005 Essen Mod p Modular Forms and Modular Symbols [Video presentation on request.]
10/05/2005 Barcelona Mod p Modular Forms and Galois Representations
28/01/2005 Regensburg Katz-Modulformen, Modulsymbole und die Serre-Vermutung [Video presentation on request.]
08/12/2004 Clausthal Modulformen, Heckeoperatoren und Anwendungen in der Zahlentheorie [Video presentation on request.]
11/2004 Banff, Workshop on Explicit Methods in Number Theory Mod p modular symbols [Slides on request.]
14/09/2004 Heidelberg, DMV-Jahrestagung Katz-Modulformen und Dieder-Galoisdarstellungen [Slides on request.]
14/05/2004 Leiden, Intercity Number Theory Seminar Dihedral Galois representations and Katz modular forms [Video presentation on request.]
30/04/2004 La Grande Motte, Colloque Jeunes Chercheurs en théorie des nombres Formes modulaires de Katz et représentations diédrales [Slides on request.]
18/02/2004 and 17/03/2004 Leiden, Geometry Seminar Two talks on: Fontaine's theory [Notes on request.]
04/01/2004 Far Hills workshop on L-functions and p-adic cohomology: computational perspectives Mod p modular forms of weight one and Galois representations: computational and theoretical aspects [Slides on request.]
10/2003 Leiden, Number Theory Seminar Open problems: CM types acting on class groups [Notes]
26/05/2003 and 02/06/2003 Leiden, Number Theory Seminar Two talks on: An explicit adelic description of moduli of elliptic curves and Galois action on CM-points [Notes.]
6/5/2003 Kassel, Seminar on Computational Mathematics Berechnung von Modulformen von Gewicht 1 in positiver Charakteristik [Slides on request.]
07/03/2003 Utrecht, Intercity Number Theory Seminar Computations of weight 1 modular forms over finite fields [Slides.]
12/2002 and 1/2003 Leiden, Geometry Seminar Four talks on: Calculation of characteristic p Katz modular forms of weight 1 [Notes.]
04/11/2002 Leiden, Number Theory Seminar The Lie algebra of an algebraic group [Notes.]

Last modification: 3 July 2017.