Place: Room 614 in the Education & Sciences Building Time: 14:00 Date: Tuesday, December 18, 2018   Abstract:   We will discuss a Hamiltonian formalism for cluster mutations using canonical (Darboux) coordinates and piecewise-Hamiltonian flows with Euler dilogarithm playing the role … Continue reading Colloquium: Tuesday, December 18, 2018. Speaker: Michael Gekhtman (Notre Dame). Title: “Dilogarithm identities in cluster algebras from Hamiltonian/Lagrangian point of view”.