On Functionally Commutative Quantum Systems. - Takeo Kamizawa (Open Syst. Inf. Dyn., 2015)

On a Criterion for Simultaneous Block-Diagonalization of Normal Matrices. - Grzegorz Pastuszak; Takeo Kamizawa; Andrzej Jamiolkowski (Open Syst. Inf. Dyn., 2016)

On Some Algebraic Procedure for Block-Diagonal Decompositions of Open Dynamical Systems. - Takeo Kamizawa (Open Syst. Inf. Dyn., 2017)

Reducibility Criteria and a Construction Method for the Analysis of Open Quantum Systems. - Takeo Kamizawa (Open Syst. Inf. Dyn., 2019)

Effective Algebraic Methods are Widely Applicable. - Takeo Kamizawa (ICMC, 2020)

On One-Parameter Families of Hermiticity-Preserving Superoperators which Are Not Positive. - Grzegorz Pastuszak; Alicja Jaworska-Pastuszak; Takeo Kamizawa (Open Syst. Inf. Dyn., 2025)