Xiamen-Custipen Workshop on the Eos of Dense Neutron-Rich Matter in the Era of Gravitational Wave Astronomy 2019, Date: 3 January 2019 through 7 January 2019, Sponsors: China Center of Advanced Science and Technology;China-U.S. Theory Institute of Physics with Exotic Nuclei (CUSTIPEN);Peking University;Shanghai Jiao Tong University;Xiamen University