On simple one-way multihead pushdown automata

被引:0
|
作者
Wang, Y
Inoue, K
Ito, A
机构
[1] Yamaguchi Univ, Ube-shi, Japan
关键词
simple multihead pushdown automaton; one-way machine; hierarchy; Kolmogorov complexity;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In [2] Ibarra introduced a restricted Version of one-way muItihead pushdown automaton (PDA), called a simple one-way multihead PDA, and showed that such machines recognize only languages with semilinear property. The main result of this paper is that for each k greater than or equal to 1, simple (sensing) one-way (k+1)-head PDA's are more powerful than simple (sensing) one-way k-head PDA's. This paper also investigates closure properties for simple (sensing) one-way muItihead PDA's.
引用
收藏
页码:1613 / 1619
页数:7
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