Three-dimensional alternating turing machines with only universal states

被引:0
|
作者
Sakamoto, M [1 ]
Inoue, K [1 ]
机构
[1] YAMAGUCHI UNIV,FAC ENGN,DEPT COMP SCI & SYST ENGN,UBE,YAMAGUCHI 755,JAPAN
关键词
D O I
10.1016/S0020-0255(96)00124-7
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
We investigate several properties of three-dimensional alternating Turning machines whose input tapes are restricted to cubic ones. We first investigate the relationship between the classes of sets accepted by space-bounded and finitely leaf-size bounded five-way three-dimensional alternating Turing machines and the classes of sets which are finite intersections of sets accepted by space-bounded five-way three-dimensional nondeterministic Turing machines. Then, we investigate the accepting powers of three-dimensional alternating Turing machines with only universal states. (C) Elsevier Science Inc. 1996
引用
收藏
页码:155 / 190
页数:36
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