On a Geometric Structure of Pure Multi-qubit Quantum States and Its Applicability to a Numerical Computation. - Kimikazu Kato; Mayumi Oto; Keiko Imai; Hiroshi Imai (ISVD, 2006)

Error Analysis of a Numerical Calculation about One-qubit Quantum Channel Capacity. - Kimikazu Kato; Hiroshi Imai; Keiko Imai (ISVD, 2007)

Degeneracy of Angular Voronoi Diagram. - Hidetoshi Muta; Kimikazu Kato (ISVD, 2007)

Computational Geometry Analysis of Quantum State Space and Its Applications. - Kimikazu Kato; Mayumi Oto; Hiroshi Imai; Keiko Imai (Generalized Voronoi Diagram, 2008)

Solving k-Nearest Vector Problem on Multiple Graphics Processors - Kimikazu Kato; Tikara Hosino (CoRR, 2009)

On degeneracy of lower envelopes of algebraic surfaces. - Kimikazu Kato (CCCG, 2010)

Solving k-Nearest Neighbor Problem on Multiple Graphics Processors. - Kimikazu Kato; Tikara Hosino (CCGRID, 2010)

Multi-GPU algorithm for k-nearest neighbor problem. - Kimikazu Kato; Tikara Hosino (Concurr. Comput. Pract. Exp., 2012)