## Section: Dissemination

### Seminars and talks

F. Morain: Calgary (his talk : The end of primality?) /Banff
2005-11-03 till 2005-11-10 (invited to a workshop, spoke about SEA++);
in Séminaire Algo (29/05), he spoke about *fast isogeny
computations* . He attended ANTS-VII in Berlin (July 23–29).

F. Laguillaumie attended - Information Security ISC 2006 - Samos (Greece) - August 30 - September 2, 2006. He gave talks in Limoges, ENSTA, IRMAR/CELAR, Versailles St-Quentin-en-Yvelines.

J. Herranz attended the 'Journées de Sécurité INRIA', in Grenoble (France), December 12-14, 2005. He gave there the talk 'Cryptography and routing protocols'.

J. Milan attended the GForge seminar at INRIA Futurs on 2006-02-09.

T. Houtmann has given a talk in Eymoutiers (Journées <<Codes et Cryptographie>> 2006). He presented joint work with P. Gaudry, D. Kohel, C. Ritzenthaler and A. Weng in Shanghai (Asiacrypt'06). He was invited to Sydney. He attended ANTS-VII in Berlin, ECC2006 in Toronto, a workshop on computational aspects arising in algorithmic number theory and cryptography in Toronto and Indocrypt'06 in Calcutta.

A. Enge has been invited to give a talk entitled ``An L(1/3) algorithm for the discrete logarithm problem in low degree curves'' at Elliptic Curve Cryptography ECC 2006 in Toronto. He has presented his results at the Journées Nationales de Calcul Formel 2005 at Luminy, the Second Irsee Conference on Finite Geometries 2006 and the Ecrypt workshop ``Curves, isogenies and cryptologic applications'' at École polytechnique. He has given seminar talks at the Technische Universität Berlin and the universities of Caen, Leiden and Limoges.

R. Dupont has given a talk on ``AGM et évaluation rapide de fonctions modulaires'' at the Séminaires CF et CAA at Limoges.