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Kenichi Morita
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Publications
- 2013
- [j58]Chuzo Iwamoto, Yuta Mukai, Yuichi Sumida, Kenichi Morita:
Generalized Chat Noir is PSPACE-Complete. IEICE Trans. Inf. Syst. 96-D(3): 502-505 (2013) - 2012
- [j56]Chuzo Iwamoto, Kento Sasaki, Kenichi Morita:
A Polynomial-Time Reduction from the 3SAT Problem to the Generalized String Puzzle Problem. Algorithms 5(2): 261-272 (2012) - [j55]Chuzo Iwamoto, Yoshihiro Wada, Kenichi Morita:
Generalized Shisen-Sho is NP-Complete. IEICE Trans. Inf. Syst. 95-D(11): 2712-2715 (2012) - [j54]Chuzo Iwamoto, Yusuke Kitagaki, Kenichi Morita:
Finding the Minimum Number of Face Guards is NP-Hard. IEICE Trans. Inf. Syst. 95-D(11): 2716-2719 (2012) - [j51]Chuzo Iwamoto, Junichi Kishi, Kenichi Morita:
Lower Bound of Face Guards of Polyhedral Terrains. J. Inf. Process. 20(2): 435-437 (2012) - [c35]Chuzo Iwamoto, Kento Sasaki, Kenichi Morita:
Computational Complexity of String Puzzles. CATS 2012: 69-74 - 2010
- [j44]Chuzo Iwamoto, Kento Sasaki, Kenji Nishio, Kenichi Morita:
NP-Hard and k-EXPSPACE-Hard Cast Puzzles. IEICE Trans. Inf. Syst. 93-D(11): 2995-3004 (2010) - 2009
- [j43]Naonori Tanimoto, Katsunobu Imai, Chuzo Iwamoto, Kenichi Morita:
On the Non-existance of Rotation-Symmetric von Neumann Neighbor Number-Conserving Cellular Automata of Which the State Number is Less than Four. IEICE Trans. Inf. Syst. 92-D(2): 255-257 (2009) - [c28]Chuzo Iwamoto, Kento Sasaki, Kenji Nishio, Kenichi Morita:
Computational Complexity of Cast Puzzles. ISAAC 2009: 122-131 - [c27]Katsunobu Imai, Yasuaki Masamori, Chuzo Iwamoto, Kenichi Morita:
On Designing Gliders in Three-Dimensional Larger than Life Cellular Automata. IWNC 2009: 184-190 - 2008
- [j42]Chuzo Iwamoto, Harumasa Yoneda, Kenichi Morita, Katsunobu Imai:
A Recursive Padding Technique on Nondeterministic Cellular Automata. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 91-A(9): 2335-2340 (2008) - [c20]Mitsuru Matsushima, Katsunobu Imai, Chuzo Iwamoto, Kenichi Morita:
A Java based three-dimensional cellular automata simulator and its application to three-dimensional Larger than Life. Automata 2008: 413-416 - 2007
- [j39]Chuzo Iwamoto, Naoki Hatayama, Yoshiaki Nakashiba, Kenichi Morita, Katsunobu Imai:
Translational lemmas for DLOGTIME-uniform circuits, alternating TMs, and PRAMs. Acta Informatica 44(5): 345-359 (2007) - [c17]Chuzo Iwamoto, Harumasa Yoneda, Kenichi Morita, Katsunobu Imai:
A Time Hierarchy Theorem for Nondeterministic Cellular Automata. TAMC 2007: 511-520 - 2006
- [j37]Katsunobu Imai, Chuzo Iwamoto, Kenichi Morita:
A Five-State von Neumann Neighbor Universal Hyperbolic Cellular Automaton. J. Cell. Autom. 1(4): 275-297 (2006) - 2005
- [c16]Chuzo Iwamoto, Yoshiaki Nakashiba, Kenichi Morita, Katsunobu Imai:
Translational Lemmas for Alternating TMs and PRAMs. FCT 2005: 137-148 - 2004
- [j35]Katsunobu Imai, Akihiko Ikazaki, Chuzo Iwamoto, Kenichi Morita:
A Logically Universal Number-Conserving Cellular Automaton with a Unary Table-Lookup Function. IEICE Trans. Inf. Syst. 87-D(3): 694-699 (2004) - [j34]Chuzo Iwamoto, Tomoka Yokouchi, Kenichi Morita, Katsunobu Imai:
Prefix Computations on Iterative Arrays with Sequential Input/Output Mode. IEICE Trans. Inf. Syst. 87-D(3): 708-712 (2004) - [c15]Chuzo Iwamoto, Naoki Hatayama, Kenichi Morita, Katsunobu Imai, Daisuke Wakamatsu:
Hierarchies of DLOGTIME-Uniform Circuits. MCU 2004: 211-222 - 2003
- [j31]Chuzo Iwamoto, Katsuyuki Tateishi, Kenichi Morita, Katsunobu Imai:
Simulations Between Multi-dimensional Deterministic and Alternating Cellular Automata. Fundam. Informaticae 58(2003): 261-271 (2003) - 2002
- [j28]Chuzo Iwamoto, Katsuyuki Tateishi, Kenichi Morita, Katsunobu Imai:
A quadratic speedup theorem for iterative arrays. Acta Informatica 38(11/12): 847-858 (2002) - [j25]Chuzo Iwamoto, Tomonobu Hatsuyama, Kenichi Morita, Katsunobu Imai:
Constructible functions in cellular automata and their applications to hierarchy results. Theor. Comput. Sci. 270(1-2): 797-809 (2002) - [c12]Chuzo Iwamoto, Takeshi Andou, Kenichi Morita, Katsunobu Imai:
Computational Complexity in the Hyperbolic Plane. MFCS 2002: 365-374 - [c11]Katsunobu Imai, Kenji Fujita, Chuzo Iwamoto, Kenichi Morita:
Embedding a Logically Universal Model and a Self-Reproducing Model into Number-Conserving Cellular Automata. UMC 2002: 164-175 - 2001
- [c7]Chuzo Iwamoto, Katsuyuki Tateishi, Kenichi Morita, Katsunobu Imai:
Speeding-Up Cellular Automata by Alternations. MCU 2001: 240-251 - [c6]Katsunobu Imai, Yukio Matsuda, Chuzo Iwamoto, Kenichi Morita:
A three-dimensional uniquely parsable array grammar that generates and parses cubes. IWCIA 2001: 339-354 - 1999
- [c4]Chuzo Iwamoto, Tomonobu Hatsuyama, Kenichi Morita, Katsunobu Imai:
On Time-Constructible Functions in One-Dimensional Cellular Automata. FCT 1999: 316-326
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