Clément Pernet Professeur Grenoble INP - UGA clement.pernet@univ-grenoble-alpes.fr

Grenoble INP - UGA, LJK - CAS3C3, Grenoble INP - UGA Laboratoire Jean Kuntzmann 700, avenue Centrale, Bâtiment IMAG CS 40700 38058 GRENOBLE Cedex 09 - France Office: 108 tel: +33 (0)4 57 42 17 97

News

• Our project Cyberskills@UGA started on October 1st 2023.
• Our paper, with Vincent Neiger, Deterministic computation of the characteristic polynomial in the time of matrix multiplication (doi:10.1016/j.jco.2021.101572, arXiv:2010.04662, slides) was awarded the Journal of complexity's 2021 Best paper award.
• FFLAS-FFPACK 2.5.0 has been released.
• Givaro 4.2.0 has been released.
• LinBox 1.7.0 has been released.
• Sage 10.1 has been released

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Events:

• Recent trends in computer Algebra, thematic semester: Lyon. Apr. 1st - Jul. 15. 2023.
• Recent trends in computer Algebra, thematic semester: IHP, Paris. Sept 11th - Dec. 8th 2023.
• ISSAC'23 : Tromso, Norvège. July 24-27, 2023.

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Recent publications and presentations

• On the complexity of computing characteristic polynomials (Slides)
  C. Pernet
  Invited talk at RTCA'23: Fundamental Algorithms and Algorithmic Complexity, Paris. Sept 2023.
• Exact Computations with quasiseparable matrices (hal-03978799)
  C. Pernet, H. Signargout, G. Villard
  ISSAC'23
• High-order lifting for polynomial Sylvester matrices (doi:10.1016/j.jco.2023.101803, hal:03740320)
  C. Pernet, H. Signargout, G. Villard
  J. of Complexity (80) Feb. 2024
• VESPo: Verified Evaluation of Secret Polynomials: with application to low-storage dynamic proofs of retrievability (hal:03365854)
  J-G. Dumas, A. Maignan, C. Pernet, D. Roche
  PoPETS'23
• Deterministic computation of the characteristic polynomial in the time of matrix multiplication (doi:10.1016/j.jco.2021.101572, arXiv:2010.04662, slides)
  V. Neiger, C. Pernet
  J. of Complexity. In Press. 2021.
  Journal of complexity's 2021 Best paper award.
• Some fast algorithms multiplying a matrix by its adjoint (doi:10.1016/j.jsc.2022.08.009, hal:03095393)
  J-G. Dumas, C. Pernet, A. Sedoglavic
  J. of Symbolic Computation, Special Issue on ISSAC'20. (115) 2023

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Teaching this semester

• Ensimag, M2-CyberSecurity, Cryptographic Engineering
• Ensimag 1A, Introduction à la sécurité

Scientific animation and administrative and teaching responsabilities

• Chair of the Cyberskills@UGA project
• Head of the CAS³C³ group
• Chair of the Cyber Security Master program at Univ. Grenoble Alpes
• Associate editor of the ACM Transactions on Mathematical Software
• Chair of the GT-Calcul Formel of the GDR-IM
• Chair of the ACM SIGSAM (Special Interest Group on Algebraic Manipulations)
• Member of the concil of LJK

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