Hisa-aki Shinkai

Diagonalizability of constraint propagation matrices

Gen Yoneda, Hisa-aki Shinkai, 2002 .

Towards standard testbeds for numerical relativity

Gabrielle Allen, Scott H. Hawley, Edward Seidel, 2003, gr-qc/0305023.

The Japanese space gravitational wave antenna—DECIGO

Naoki Seto, Shinichi Nakasuka, Toshikazu Ebisuzaki, 2006 .