COSMO 2025 COSMO

COmbinatorics of Spaces under MultiplicatiOn

Inria Paris Center

DatesDates   3-5 February 2025
LocationLocation Centre Inria de Paris, 48 rue Barrault, 75013, Paris

COSMO is a workshop dedicated to products of spaces and their diverse applications. This event aims to bring together researchers to explore both the theoretical foundations and practical aspects of this topic. The workshop includes a schedule designed to encourage the sharing of ideas and discussion on open problems, with a focus on fostering collaboration.

Program

The pdf version of the program can be downloaded here.

Monday 3 February

Morning: Math Foundations I

Time Speaker Title Abstract
9:00 Welcome Coffee
9:30 Vincent Beck Additive combinatorics methods for associative algebras PDF
10:30 Coffee Break
11:00 Hugues Randriambololona Introduction to products and powers of codes PDF

Afternoon: Math Foundations II

Time Speaker Title Abstract
14:00 Alain Couvreur Freiman’s 3k-4 Theorem for Function Fields PDF
15:00 Coffee Break
15:30 Flavio Salizzoni Schur product and rank-metric codes PDF
16:00 Chiara Castello Products of subspaces in finite field extensions and Subspace Codes PDF

Tuesday 4 February

Morning: Secret Sharing

Time Speaker Title Abstract
10:00 Ronald Cramer Code Products in Secure Multiparty Computation: Arithmetic Secret Sharing (1997-present) -
11:00 Coffee Break
11:30 Matthieu Rambaud Good multiplicative lifts of algebraic geometry (AG) codes PDF

Afternoon: Cryptanalysis

Time Speaker Title Abstract
14:30 Axel Lemoine Completing the support of a square-distinguishable Goppa code PDF
15:30 Coffee Break
16:00 Rocco Mora Products of codes and cryptanalysis in code-based cryptography PDF

Evening: Social Dinner

ContactsLocation LM Restaurant, 13 Rue de Médicis, 75006, Paris
ContactsTime 19:00
Veg-TagVegetarian menu available

Wednesday 5 February

Morning: Quantum Codes

Time Speaker Title Abstract
9:30 Jean-Pierre Tillich A survey on recent breakthroughs for constructing asymptotically good quantum codes with transversal non-Clifford gates -
10:30 Coffee Break
11:00 Elena Berardini Construction of asymptotically good CSS codes supporting transversal T gates PDF

Participants

Nadja Aoutouf Inria & École Polytechnique
Valentina Astore Inria & École polytechnique
Alix Barraud Institut de Mathematiques de Bordeaux
Vincent Beck Institut Denis Poisson & INSPE Centre Val de Loire
Elena Berardini Université de Bordeaux
Estelle Blin Inria & École polytechnique
Maxime Bombar Université de Bordeaux
Martino Borello Université Paris 8 & Inria
Chiara Castello Università degli Studi della Campania "Luigi Vanvitelli"
Geoffroy Couteau IRIF Université Paris Cité
Alain Couvreur Inria & École polytechnique
Ronald Cramer Universiteit Leiden
Lucien François University College Dublin
Camille Garnier Xlim Institut de recherche
Benjamin Girard Institut de Mathématiques de Jussieu-Paris Rive Gauche
Shreyas Jain Institut Mathematiqués de Bordeaux
Maxence Jauberty Inria & École Polytechnique
Axel Lemoine Inria
Pierre Loisel Inria & École Polytechnique
Rati Ludhani Inria & École Polytechnique
Irene Márquez-Corbella Universidad de La Laguna
Rocco Mora CISPA Helmholtz Center for Information Security
Jade Nardi Université de Rennes 1
Olga Polverino Università degli Studi della Campania "Luigi Vanvitelli"
Rakhi Pratihar Inria & École polytechnique
Matthieu Rambaud Ecole Nationale Supérieure des Télécommunications (Télécom Paris)
Hugues Randriambololona Ecole Nationale Supérieure des Télécommunications (Télécom Paris)
Flavio Salizzoni Max Planck Institute for Mathematics in the Sciences
Wolfgang Schmid Université Paris 8
Martin Scotti Université Paris 8
Nihan Tanisali Inria & École polytechnique
Jean-Pierre Tillich Inria
Daniël van Gent Centrum Wiskunde & Informatica
Neehar Verma Aalto University
Mieke Wessel Mathematik an der Universität Göttingen
Ilaria Zappatore Université de Limoges
Gilles Zémor Université de Bordeaux
Ferdinando Zullo Università degli Studi della Campania "Luigi Vanvitelli"

Practical Info

The workshop will take place at the Amphithéâtre Jacques-Louis LIONS of Inria Paris Centre (48 rue Barrault, 75013, Paris). Coming to Inria Paris Centre.

Hotels suggestions

Restaurants suggestions

Veg-Tag: Vegetarian options available

Committees

Scientific Committee

Local Organizing Committee

Contacts

ContactsEmail cosmo@inria.fr