Home › Events › Algebra Seminar: Rinat Kedem - University of Illinois at Urbana-Champaign Algebra Seminar: Rinat Kedem - University of Illinois at Urbana-Champaign Time: Fri Nov 15, 2013, 11:30 am - 12:30 pm Location: 258 Hurley Hall Title: Discrete integrability: The octahedron relation, T-systems and pentagram maps Abstract