NON-RECURSIVE TRADE-OFFS FOR TWO-WAY MACHINES 1. Introduction The origins of descriptional complexity of formal machines can be
On the equivalence of two-way pushdown automata and counter machines over bounded languages | SpringerLink
![context free - Construction of a counter automaton for the complement of the palindromes - Computer Science Stack Exchange context free - Construction of a counter automaton for the complement of the palindromes - Computer Science Stack Exchange](https://i.stack.imgur.com/yv3Nn.png)
context free - Construction of a counter automaton for the complement of the palindromes - Computer Science Stack Exchange
![Characterizations of Bounded Semilinear Languages by One-way and Two-way Deterministic Machines Oscar H. Ibarra 1 and Shinnosuke Seki 2 1. Department of. - ppt download Characterizations of Bounded Semilinear Languages by One-way and Two-way Deterministic Machines Oscar H. Ibarra 1 and Shinnosuke Seki 2 1. Department of. - ppt download](https://images.slideplayer.com/25/7970020/slides/slide_6.jpg)