@article{CTT100434291, author = {Masaru Siino}, title = {Topology of Event horizon}, journal = {Phys. Rev.}, year = 1998, } @article{CTT100434292, author = {Masaru Siino}, title = {Hoop conjecture for colliding black holes}, journal = {Phys. Rev.}, year = 1998, } @misc{CTT100595775, author = {Masaru Siino}, title = {Geometrical construction of three dimensional spacetimes }, year = 1994, } @phdthesis{CTT100595775, author = {Masaru Siino}, title = {Geometrical construction of three dimensional spacetimes }, school = {東京工業大学}, year = 1994, }