Computing the matrix fractional power based on the double exponential formula. - Fuminori Tatsuoka; Tomohiro Sogabe; Yuto Miyatake; Tomoya Kemmochi; Shao-Liang Zhang (CoRR, 2020)

Algorithms for the computation of the matrix logarithm based on the double exponential formula. - Fuminori Tatsuoka; Tomohiro Sogabe; Yuto Miyatake; Shao-Liang Zhang (J. Comput. Appl. Math., 2020)

Computing the matrix exponential with the double exponential formula. - Fuminori Tatsuoka; Tomohiro Sogabe; Tomoya Kemmochi; Shao-Liang Zhang (CoRR, 2023)

A preconditioning technique of Gauss-Legendre quadrature for the logarithm of symmetric positive definite matrices. - Fuminori Tatsuoka; Tomohiro Sogabe; Tomoya Kemmochi; Shao-Liang Zhang (Appl. Math. Lett., 2025)