OpeRa 2026 - Bordeaux

Open Problems on Rank-Metric Codes



Program:

The book of abstracts can be downloaded here.

Registration on February 23 from 8:30 to 9:00 in the Hall in front of the Conference Room (salle de conférences).
The plenary and contributed talks will be in the Conference Room.
The coffeee breaks will be in the Hall in front of the Conference Room.
The working groups will be in the Conference Room and in Rooms 1 and 109 (first floor), 285 and 286 (second floor), 385 and 386 (third floor).

Monday (February 23):

Time Speaker Title
09:00 Organizers Welcome
09:30 Xavier Caruso Algebraic constructions of codes in the sum-rank metric
10:30 COFFEE BREAK
11:00 Anna-Lena Horlemann Toward a unified algebraic framework for Reed-Solomon-type codes over skew and linearized polynomial rings
14:00 Alberto Ravagnani Rank-Metric Codes and Combinatorial Theory
15:00 Valentina Astore A characterization of some Linearized Reed-Solomon codes
15:20 Antonina P. Khramova A linear programming bound for sum-rank-metric codes
15:40 Harper Reijnders Improved Gilbert-Varshamov bound for sum-rank-metric codes via graph theory
16:00 COFFEE BREAK
16:30 John Sheekey Geometric invariants of additive matrix code

Tuesday (February 24):

Time Speaker Title
09:00 Alain Couvreur Rank metric, where analogies to Hamming metric fail
10:00 COFFEE BREAK
10:30 Relinde Jurrius What is the rank-metric equivalent of a binary code?
13:30 Giuseppe Marino and Alessandro Neri Zero-Pattern Rank-Metric Codes
14:30 WORKING GROUPS
16:30 COFFEE BREAK
17:00 WORKING GROUPS

Wednesday (February 25):

Time Speaker Title
09:00 Beatrice Toesca Schubert subspace codes
09:20 Martin Scotti Intersecting codes in the rank metric
09:40 Camille Garnier Local codes in rank metric
10:00 COFFEE BREAK
10:30 WORKING GROUPS

Thursday (February 26):

Time Speaker Title
09:00 Jozefien D'haeseleer and Vladislav Taranchuk Chromatic number of Grassmann graphs using lifted MRD codes
09:20 Marta Messia On the Etzion and Silberstein conjecture for block Ferrers diagrams
09:40 Hugo Beeloo-Sauerbier Couvée Polytopal characterization of irreducible Ferrers diagrams in the Etzion-Silberstein conjecture
10:00 COFFEE BREAK
10:30 WORKING GROUPS
14h30 Anestis Alvertos Tzogias Length-metric codes: a generalisation of rank-metric codes for physicallayer network coding
14:50 Hassan Ou-azzou On rank equivalence of skew polycyclic codes
15:10 Arani Paul Flag invariants of rank metric codes
15:30 COFFEE BREAK
16:00 WORKING GROUPS

Friday (February 27):

Time Speaker Title
09:00 Valentino Smaldore Regular fat linear sets
09:20 Leen Demuys A geometric reconstruction of linear sets
09:40 Alessandro Giannoni Maximally h-scattered subspaces
10:00 Olga Polverino Delsarte duality on subspaces and applications to rank-metric codes and q-matroids
10:20 COFFEE BREAK
10h50 Angelica Piccirillo New structural insights and a syndrome-based decoding approach for Trombetti-Zhou codes
11:10 Anmoal Porwal Rank-metric decoding with hints
11:30 Rakhi Pratihar Decoding algorithms for rank metric Reed-Muller codes
11:50 FINAL GREETINGS