A Non-probabilistic Relational Model of Probabilistic Kleene Algebras. - Hitoshi Furusawa; Norihiro Tsumagari; Koki Nishizawa (RelMiCS, 2008)

The Cube of Kleene Algebras and the Triangular Prism of Multirelations. - Koki Nishizawa; Norihiro Tsumagari; Hitoshi Furusawa (RelMiCS, 2009)

Relations into algebras of probabilistic distributions. - Norihiro Tsumagari; Hitoshi Furusawa; Yasuo Kawahara (J. Log. Algebraic Methods Program., 2014)

Relational Formalisations of Compositions and Liftings of Multirelations. - Hitoshi Furusawa; Yasuo Kawahara; Georg Struth; Norihiro Tsumagari (RAMiCS, 2015)

Kleisli, Parikh and Peleg compositions and liftings for multirelations. - Hitoshi Furusawa; Yasuo Kawahara; Georg Struth; Norihiro Tsumagari (J. Log. Algebraic Methods Program., 2017)

Composition of Different-Type Relations via the Kleisli Category for the Continuation Monad. - Koki Nishizawa; Norihiro Tsumagari (RAMiCS, 2018)

Categorical generalization of spectral decomposition. - Koki Nishizawa; Yusuke Ide; Norihiro Tsumagari (CoRR, 2025)