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) - first floor.
The plenary and contributed talks will be in the Conference Room.
The coffeee breaks and the cocktail dinner 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 (notes)
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 (slides)
14:00 Alberto Ravagnani Rank-Metric Codes and Combinatorial Theory (slides)
15:00 Valentina Astore A characterization of some Linearized Reed-Solomon codes (slides)
15:20 Antonina P. Khramova A linear programming bound for sum-rank-metric codes (slides)
15:40 Harper Reijnders Improved Gilbert-Varshamov bound for sum-rank-metric codes via graph theory (slides)
16:00 COFFEE BREAK
16:30 John Sheekey Rank-metric codes and geometry: a two-way street (slides)

Tuesday (February 24):

Time Speaker Title
09:00 Alain Couvreur Rank metric, where analogies to Hamming metric fail (slides)
10:00 COFFEE BREAK
10:30 Relinde Jurrius What is the rank-metric equivalent of a binary code? (slides)
13:30 Giuseppe Marino and Alessandro Neri Zero-Pattern Rank-Metric Codes (slides)
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 (slides)
09:20 Martin Scotti Intersecting codes in the rank metric (slides)
09:40 Camille Garnier Local codes in rank metric (slides)
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 (slides)
09:20 Marta Messia On the Etzion and Silberstein conjecture for block Ferrers diagrams (slides)
09:40 Hugo Beeloo-Sauerbier Couvée Polytopal characterization of irreducible Ferrers diagrams in the Etzion-Silberstein conjecture (slides)
10:00 COFFEE BREAK
10:30 WORKING GROUPS
14:30 Valentino Smaldore Regular fat linear sets (slides)
14:50 Arani Paul Flag invariants of rank metric codes
15:10 CONFERENCE PICTURE
15:30 COFFEE BREAK
16:00 WORKING GROUPS
18:30 COCKTAIL DINNER

Friday (February 27):

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