April 13 (Wed.) Mr. Shinsuke Odagiri (TMU) Tropical algebraic geometry (after Speyer and Sturmfels) Nov. 2 (Wed.) Prof. Takuro Abe (Kyoto Univ.) The stability of $A_2$-type arrangements Nov.30 (Wed.) Prof. Yasuharu Amitani (Waseda Univ.) Projective manifolds containing 5-sheeted covers of projective space as hyperplane sections Dec. 7 (Wed.) Prof. Takeshi Kajiwara (Tohoku Univ.) Tropical geometry and toric geometry Jan. 11 (Wed.) 16:30-18:00 Mr. Tetsuro Yanagida (TMU) Classification of irreducible quartic curves by singularities of the dual curve Mr. Kenta Yoshizaki (TMU) Topology of complement of reduced plane quintic curves Mr. Muneo Watanabe (TMU) Algebraic-geometric code by the Klein quartic curve Jan. 25 (Wed.) Prof. Noboru Nakayama Classification of log del Pezzo surface of index two