Conference talks

- 01/2011: Workshop de l'Université de Polynésie Française, Tahiti ; talk : "Sur le spectre différentiel des fonctions sur les corps finis".

- 10/2010: YACC 2010 (Yet Another Conference on Cryptography), Porquerolles (France), 04-08 october 2010 ; talk : ``On the higher term of the differential spectrum of a function''.

- 06/2010: WAIFI 2010 (Workshop on the Arithmetic of Finite Fields), Istanbul (Turkey), 27-30 june 2010 ; talk : ``Lower bounds for the number of rational points on Jacobian varieties over finite fields''.

- 09/2009: Workshop on Sequences, Codes and Curves, Antalya (Turkey), 25-29 september 2009 ; talk : ``Number of points on Abelian, Jacobians and Prym varieties''.

- 07/2009: Conference ``Finite fields and theirs applications'', Dublin (Ireland), 13-17 july 2009 ; talk : ``Jacobians and Prym varieties''.

- 07/2009: Conference ``Finite fields and theirs applications'', Dublin (Ireland), 13-17 july 2009 ; talk : ``Polynomials on F_2^m with good resistance to cryptanalysis".

- 04/2009: Conference ``Geocrypt'', Pointe-à-Pitre (Guadeloupe), april 27-may 1st 2009 ; talk : ``On Prym varieties over finite fields''.

- 03/2009: Conference ``Arithmetic, Geometry, Cryptography and Coding Theory - XII'', C.I.R.M. (France), march 30-april 03 2009 ; talk : ``On almost APN functions''.

- 12/2007: Macquarie University, Sydney (Australia) ; talk : ``Hyperelliptic curves and 2-torsion points''.

- 11/2007: Conference ``Arithmetic, Geometry, Cryptography and Coding Theory - XI'', C.I.R.M. (France), 05-09 november 2007 ; talk : ``On the Gauss conjecture for function fields''.

- 04/2006: Workshop de l'Université de Polynésie Française, Tahiti ; talk : "La fonction zêta dans tous ses états".

- 12/2005: Université de Laval, Québec (Canada) ; talk : ``Logarithme discret et variétés abéliennes''.

- 09/2005: Conference ``Arithmetic, Geometry and Coding Theory - X'', C.I.R.M. (France), 26-30 september 2005 ; talk :

``Cyclic codes with few different weights''.

- 03/2005: International Workshop on Coding and Cryptography, WCC 2005, march

2005, Bergen, Norway, P. Charpin and O. Ythrehus : talk :

``On the weights of irreducible cyclic codes''

- 11/2004: Workshop ``Nombres de points sur un corps fini'',

Université de la Méditerranée, 29 et 30 novembre 2004 (F. Rodier) ; invited speaker; talk :

``Fonction zêta des courbes sur un corps fini''.

- 05/2003: Conference ``Arithmetic, Geometry and Coding Theory - IX'', CIRM, France, 19-23

may 2003 ; talk :

``Zeta function and bounds ``à la Weil'' ''.

- 03/2003: Conference ``Computational Aspects of Algebraic Curves and Cryptography'',

Université de Floride, 3-7 mars 2003 (G. Frey et H. Voelklein) ; invited speaker ; talk :

``Zeta function of connected curves over finite fields''.

- 01/2002: Université de Thessalonique (Grèce) ; talk : ``Coverings of algebraic curves and the holomorphic Artin conjecture''.

- 05/2001: Sixième congrès international ``Finite Fields and theirs

applications'', Oaxaca (Mexique), 21-25 may 2001, talk :

``Connected curves over finite fields''.

- 05/2001: Conference ``Arithmetic, Geometry and Coding Theory - VIII'', C.I.R.M. (France),

14-18 may 2001 ; talk :

``Divisibility of zeta functions in a covering of curves''.

- 04/1998: International conference on coding theory, cryptography and related

areas (H. Tapia-Recillas), Guanajuato (Mexique) ; talk:

``Class number in quartic functions fields in even characteristic''.

- 07/1995: Third International Conference on Finite Fields and Theirs Applications, Glasgow

(Ecosse), 11-14 Juillet 1995, (S.D. Cohen), talk :

"Class number in biquadratic function fields".

- 09/1993: Conference 18 èmes journées Arithmétiques, Bordeaux, 13-17 Septembre 1993, (J.

Martinet), talk :

"Courbes singuli\`eres et nombre de points sur un corps fini".

- 06/1993: Second International Conference on Finite Fields : Theory, Applications and

Algorithms, University of Nevada, Las Vegas (U.S.A.), 17-21 june 1993 (P. Shiu), talks:

"Coverings of Singular curves over finite fields", and

"Weil inequality for singular curves".

- 10/1992: Conference Eurocode, Udine (Italie), Octobre 1992, (P. Camion),

talk:

"Algebraic Geometric Codes on Surfaces".

- 10/1991: Conference AAECC-9, New Orleans (U.S.A.), October 1991 (H.F. Mattson, T. Mora,

T.R.N. Rao), talk :

"Reed-Muller Codes on Quadrics and Maximal Hypersurfaces".

- 10/1991: Conference Algebraic Geometry and Coding Theory 3, 17-21 june 1991, C.I.R.M.,

Marseille, Luminy (H. Stichtenoth, M. Tsfasman), talk :

"Reed-Muller Codes Associated to Projective Algebraic Varieties".

- 03/1991: Workshop de Sophia-Antipolis (P. Solé) : Codes, Graphes, Caractères, (25, 26,

27 march 1991), talk :

"Sections hyperplanes et intersection de Quadriques. Application aux Codes Correcteurs d'Erreurs."