Télécom ParisTech

Gérard Cohen

Professeur

Gérard Cohen

Formation

  • Ingénieur ENST (1973),
  • Doctorat d’Etat (1980).

Enseignement

  • Théorie de l’information et codage.

Thématiques de recherche

  • Codage,
  • Cryptographie,
  • Combinatoire.

Expérience industrielle et recherche contractuelle

  • Contrat européen Vipbob, nombreux contrats industriels (Gemplus, Sagem,...).

Animation scientifique et responsabilités collectives

  • Directeur scientifique du labo Telecom ParisTech - Morpho
  • Président du chapitre IEEE de théorie de l’information,
  • Éditeur de la revue IEEE-IT.

Prix et distinctions

  • Fellow IEEE.

Principaux Résultats scientifiques

  • G. COHEN : A nonconstructive bound on covering radius; IEEE Trans.on Information Theory, vol. IT-29, n 3, may 1983, pp. 352-353.
  • G. COHEN, I. HONKALA, S. LITSYN, A. LOBSTEIN : Covering Codes, Elsevier, North- Holland Mathematical Library, vol. 54. 1997.
  • G. Cohen, G. Zemor: Syndrome-coding for the wire-tap channel revisited, IEEE ITW 2006, IEEE Catalog Number: 06EX1268, 33-36 (2006).
  • N. Alon, G. Cohen, M. Krivelevich, S. Litsyn: Generalized hashing and applications, JCT-A 104 (2003) 207-215.
  • G. Cohen, H.G. Schaathun: Upper bounds on separating codes,{\em IEEE Trans. Information Th.}, 50, 1291-1295 (2004).
  • J. Bringer, H. Chabanne, G. Cohen, B. Kindarji, G. Zemor: Theoretical and practical boundaries of binary secure sketches, IEEE Transactions on Information Forensics and Security, vol 3, (4) 673-683 (2008).

Education

  • Engineer degree ENST (1973),
  • Doctorat d’État (1980).

Teaching

  • Information and coding theory.

Major Research Interest or Current Research Topics

  • Coding,
  • Combinatorics,
  • Cryptography.

Industrial Experience

  • European and industrial contracts (Gemplus, Sagem).

Visibility, Membership, Committee

  • Founder and Chairman of IEEE-IT French Chapter (1993).
  • Associate Editor of IEEE-IT for coding theory.

Distinction

  • Fellow IEEE.

Main Scientific Results

  • G. COHEN : A nonconstructive bound on covering radius; IEEE Trans.on Information Theory, vol. IT-29, n 3, may 1983, pp. 352-353.
  • G. COHEN, I. HONKALA, S. LITSYN, A. LOBSTEIN : Covering Codes, Elsevier, North Holland Mathematical Library, vol. 54. 1997.
  • G. Cohen, G. Zemor: Syndrome-coding for the wire-tap channel revisited, IEEE ITW 2006, IEEE Catalog Number: 06EX1268, 33-36 (2006).
  • N. Alon, G. Cohen, M. Krivelevich, S. Litsyn: Generalized hashing and applications, JCT-A 104 (2003) 207-215.
  • G. Cohen, H.G. Schaathun: Upper bounds on separating codes,{\em IEEE Trans. Information Th.}, 50, 1291-1295 (2004).
  • J. Bringer, H. Chabanne, G. Cohen, B. Kindarji, G. Zemor: Theoretical and practical boundaries of binary secure sketches, IEEE Transactions on Information Forensics and Security, vol 3, (4) 673-683 (2008).