Symmetry-protected sign problem and magic in quantum phases of matter. - Tyler D. Ellison; Kohtaro Kato; Zi-Wen Liu; Timothy H. Hsieh (Quantum, 2021)

An em algorithm for quantum Boltzmann machines. - Takeshi Kimura; Kohtaro Kato; Masahito Hayashi (CoRR, 2025)

Exact and Local Compression of Quantum Bipartite States. - Kohtaro Kato (IEEE Trans. Inf. Theory, 2025)