Sébastien Tavenas

• Chargé de Recherche CNRS au Laboratoire LAMA de l'Université Savoie Mont Blanc.
• Equipes : LIMD / Géométrie
  

Contact :

• Bâtiment Le Chablais, Campus Scientifique 73376 Le Bourget du Lac - France.
• Tél. : 04 72 72 94 35 (de France) +33 4 72 72 94 35 (from abroad)
• Bureau : 103
• courriel : firstname.name (no accents) at univ dash smb dot fr

Enseignements :

• Analyse Algorithmes

Publications :

• H. Fournier, N. Limaye, S. Srinivasan, S. Tavenas.

  On the Power of Homogeneous Algebraic Formulas

  STOC, 2024.

  ECCC
• H. Fournier, N. Limaye, G. Malod, S. Srinivasan, S. Tavenas.

  Towards Optimal Depth-Reductions for Algebraic Formulas

  CCC, 2023.

  hal doi
• S. Tavenas, N. Limaye, S. Srinivasan.

  Set-multilinear and non-commutative formula lower bounds for iterated matrix multiplication

  STOC, 2022.

  hal doi
• N. Limaye, S. Srinivasan, S. Tavenas.

  On the Partial Derivative Method Applied to Lopsided Set-Multilinear Polynomials

  CCC, 2022.

  hal doi
• N. Limaye, S. Srinivasan, S. Tavenas.

  Superpolynomial Lower Bounds Against Low-Depth Algebraic Circuits

  FOCS, 2021.

  hal doi
• C. Lagisquet, E. Pelantová, S. Tavenas, L. Vuillon.

  On the Markov numbers: Fixed numerator, denominator, and sum conjectures

  J. Advances in Applied Mathematics, 2021.

  hal doi
• H. Fournier, G. Malod, M. Szusterman, S. Tavenas.

  Nonnegative rank measures and monotone algebraic branching programs

  FSTTCS, 2019.

  hal doi
• N. Kayal, V. Nair, C. Saha, S. Tavenas.

  Reconstruction of Full Rank Algebraic Branching Programs

  CCC, 2017.

  hal doi (conf. version) doi (journal version)
• N. Kayal, C. Saha, S. Tavenas.

  On the size of homogeneous and of depth four formulas with low individual degree

  STOC, 2016.

  Journal version: Theory of Computing, 2018.

  hal doi (conf. version) doi (journal version)
• N. Kayal, C. Saha, S. Tavenas.

  An Almost Cubic Lower Bound for Depth Three Arithmetic Circuits

  ICALP, 2016.

  hal doi
• M. Bafna, S. V Lokam, S. Tavenas, A. Velingker.

  On the Sensitivity Conjecture for Read-k Formulas

  MFCS, 2016.

  hal doi
• Karthik CS, S. Tavenas.

  On the Sensitivity Conjecture for Disjunctive Normal Forms

  FSTTCS, 2016.

  hal doi
• JD. Boissonnat, Karthik CS, S. Tavenas.

  Building Efficient and Compact Data Structures for Simplicial Complexes

  SoCG, 2015.

  J. Algorithmica, 2016.

  hal doi (conf. version) doi (journal version)
• M. Mahajan, N. Saurabh, S. Tavenas.

  VNP=VP in the multilinear world

  J. Information Processing Letters, 2016.

  doi
• P. Koiran, N. Portier, S. Tavenas.

  On the Intersection of a Sparse Curve and a Low-Degree Curve: A Polynomial Version of the Lost Theorem

  J. Discrete and Computational Geometry, 2015.

  hal doi
• P. Koiran, N. Portier, S. Tavenas, S. Thomassé.

  A τ-Conjecture for Newton Polygons

  Foundation of Computational Mathematics , 2015.

  hal doi
• P. Koiran, N. Portier, S. Tavenas.

  A Wronskian approach to the real τ-conjecture

  J. of Symbolic Computation, (Special Issue MEGA), 2015.

  hal doi
• I. García-Marco, P. Koiran, S. Tavenas.

  Log-Concavity and Lower Bounds for Arithmetic Circuits

  MFCS, 2015.

  hal doi
• É. Diot, S. Tavenas, N. Trotignon.

  Detecting wheels

  J. of Applicable Analysis and Discrete Mathematics, 2014.

  doi
• S. Tavenas.

  Improved bounds for reduction to depth 4 and depth 3

  J. Information and Computation, Special Issue MFCS, 2013.

  doi
• S. Tavenas.

  Bornes inférieures et supérieures dans les circuits arithmétiques

  PhD thesis 2014.

  thesis

Pre-publications :

• G. Comte, S. Tavenas.

  Rational and lacunary algebraic curves

  ArXiv
• F. Bihan, T. Humbert, S. Tavenas.

  New bounds for the number of connected components of fewnomial hypersurfaces

  ArXiv