Inductive Inference of Regular Language Based on Model Inference. - Hiroki Ishizaka (LP, 1987)

Learning Simple Deterministic Languages. - Hiroki Ishizaka (COLT, 1989)

Polynomial time Learnability of Simple Deterministic Languages. - Hiroki Ishizaka (Mach. Learn., 1990)

Efficient Inductive Inference of Primitive Prologs from Positive Data. - Hiroki Ishizaka; Hiroki Arimura; Takeshi Shinohara (ALT, 1992)

Polynomial Time Inference of a Subclass of Context-Free Transformations. - Hiroki Arimura; Hiroki Ishizaka; Takeshi Shinohara (COLT, 1992)

A Generalization of the Least General Generalization. - Hiroki Arimura; Takeshi Shinohara; Setsuko Otsuki; Hiroki Ishizaka (Machine Intelligence 13, 1992)

Constructive Learning of Translations Based on Dictionaries. - Noriko Sugimoto; Kouichi Hirata; Hiroki Ishizaka (ALT, 1996)

Learning Unions of Tree Patterns Using Queries. - Hiroki Arimura; Hiroki Ishizaka; Takeshi Shinohara (Theor. Comput. Sci., 1997)

Approximate Retrieval of High-Dimensional Data by Spatial Indexing. - Takeshi Shinohara; Jiyuan An; Hiroki Ishizaka (Discovery Science, 1998)

Finding Tree Patterns Consistent with Positive and Negative Examples Using Queries. - Hiroki Ishizaka; Hiroki Arimura; Takeshi Shinohara (Ann. Math. Artif. Intell., 1998)

H-Map: A Dimension Reduction Mapping for Approximate Retrieval of Multi-dimensional Data. - Takeshi Shinohara; Jianping Chen; Hiroki Ishizaka (Discovery Science, 1999)

Generating Languages by a Derivation Procedure for Elementary Formal Systems. - Noriko Sugimoto; Hiroki Ishizaka (Inf. Process. Lett., 1999)

Approximate Retrieval of High-Dimensional Date with L1 Metric by Spacial Indexing. - Takeshi Shinohara; Jiyuan An; Hiroki Ishizaka (New Gener. Comput., 2000)

An Efficient Derivation for Elementary Formal Systems Based on Partial Unification. - Noriko Sugimoto; Hiroki Ishizaka; Takeshi Shinohara (Discovery Science, 2001)

On Dimension Reduction Mappings for Approximate Retrieval of Multi-dimensional Data. - Takeshi Shinohara; Hiroki Ishizaka (Progress in Discovery Science, 2002)

General theory of interpolation error estimates on anisotropic meshes. - Hiroki Ishizaka; Kenta Kobayashi; Takuya Tsuchiya (CoRR, 2020)

Crouzeix-Raviart and Raviart-Thomas finite-element error analysis on anisotropic meshes violating the maximum-angle condition. - Hiroki Ishizaka; Kenta Kobayashi; Takuya Tsuchiya (CoRR, 2020)

A new geometric condition equivalent to the maximum angle condition for tetrahedrons. - Hiroki Ishizaka; Kenta Kobayashi; Ryo Suzuki; Takuya Tsuchiya (Comput. Math. Appl., 2021)

General theory of interpolation error estimates on anisotropic meshes, part II. - Hiroki Ishizaka; Kenta Kobayashi; Takuya Tsuchiya (CoRR, 2021)

Anisotropic Raviart-Thomas interpolation error estimates using a new geometric parameter. - Hiroki Ishizaka (CoRR, 2021)

An anisotropic weakly over-penalised symmetric interior penalty method for the Stokes equation. - Hiroki Ishizaka (CoRR, 2022)

Morley finite element analysis for fourth-order elliptic equations under a semi-regular mesh condition. - Hiroki Ishizaka (CoRR, 2023)

Note on a weakly over-penalised symmetric interior penalty method on anisotropic meshes for the Poisson equation, Ver. 1. - Hiroki Ishizaka (CoRR, 2024)

Hybrid weakly over-penalised symmetric interior penalty method on anisotropic meshes. - Hiroki Ishizaka (CoRR, 2024)

Anisotropic Weakly Over-Penalised Symmetric Interior Penalty Method for the Stokes Equation. - Hiroki Ishizaka (J. Sci. Comput., 2024)

Nitsche method under a semi-regular mesh condition. - Hiroki Ishizaka (CoRR, 2025)

Interpolation error analysis using a new geometric parameter. - Hiroki Ishizaka (CoRR, 2025)

Anisotropic modified Crouzeix-Raviart finite element method for the stationary Navier-Stokes equation. - Hiroki Ishizaka (Numerische Mathematik, 2025)