Seminars and Talks 13:30 - 14:20, April 12, 2018 (Thursday) Lecture Room B, 4th Floor, The 3rd General Building, NTHU Classification for Singular Sequences of Central Configurations 14:30 - 15:20, April 12, 2018 (Thursday) Lecture Room B, 4th Floor, The 3rd General Building, NTHU The Jacobian of the Algebraic Set Associated to Symmetric Planar Central Configurations of the Five Body Problem