A Note on Two-Dimensional Probabilistic Finite Automata. - Tokio Okazaki; Lan Zhang; Katsushi Inoue; Akira Ito 001; Yue Wang 002 (Inf. Sci., 1998)

Space Hierarchies of Two-Dimensional Alternating Turing Machines, Pushdown Automata and Counter Automata. - Tokio Okazaki; Katsushi Inoue; Akira Ito 001; Yue Wang 002 (Int. J. Pattern Recognit. Artif. Intell., 1999)

A Note on Self-Modifying Finite Automata. - Yue Wang 002; Katsushi Inoue; Akira Ito 001; Tokio Okazaki (Inf. Process. Lett., 1999)

A Note on Two-Dimensional Probabilistic Turing Machines. - Tokio Okazaki; Katsushi Inoue; Akira Ito 001; Yue Wang 002 (Inf. Sci., 1999)

Closure Properties of the Classes of Sets Recognized by Space-Bounded Two-Dimensional Probabilistic Turing Machines. - Tokio Okazaki; Katsushi Inoue; Akira Ito 001; Yue Wang 002 (Inf. Sci., 1999)

A Note on Three-Way Two-Dimensional Probabilistic Turing Machines. - Tokio Okazaki; Katsushi Inoue; Akira Ito 001; Yue Wang 002 (Int. J. Pattern Recognit. Artif. Intell., 2000)

Closure Property of Space-Bounded Two-Dimensional Alternating Turing Machines, Pushdown Automata, and Counter Automata. - Tokio Okazaki; Katsushi Inoue; Akira Ito 001; Yue Wang 002 (Int. J. Pattern Recognit. Artif. Intell., 2001)

Non-closure property of space-bounded two-dimensional alternating Turing machines. - Tokio Okazaki; Atsuyuki Inoue; Katsushi Inoue; Akira Ito 001; Yue Wang 002 (Inf. Sci., 2002)

A note on one-pebble two-dimensional Turing machines. - Atsuyuki Inoue; Katsushi Inoue; Akira Ito 001; Yue Wang 002; Tokio Okazaki (Electron. Notes Discret. Math., 2003)

Some properties of one-pebble Turing machines with sublogarithmic space. - Atsuyuki Inoue; Akira Ito 001; Katsushi Inoue; Tokio Okazaki (Theor. Comput. Sci., 2005)