Abstract. We investigate the issue of reducing the verification problem of multi-stack machines to the one for single-stack machines. For instance, ...
Abstract. We investigate the issue of reducing the verification problem of multi- stack machines to the one for single-stack machines.
Feb 7, 2011 · From multi to single stack automata ; Series. Lecture Notes in Computer Science ; 6269 ; ISBN: 978-3-642-15374-7 (print) ...
To start, we always keep the current state with the topmost stack symbol. It's on the left – so if [pAq] is on the top of the stack, then we're in state p.
Mar 8, 2015 · Multi-stack push-down-automata are strictly more powerful than normal push-down-automata, since those cannot recognize an bn cn, whereas you can ...
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Jan 7, 2024 · If Multistack PDAs are more powerful than CFGs, then they probably are used for a different kind of concept/language type.
Jun 12, 2020 · The convention is that one transition pushes one symbol. However, allowing arbitrary strings to be pushed adds no power to the PDA model.
A one-stack automaton is represented visually as a finite set of states connected with transitions. Example 1: A one-stack automaton for { anbn : where n >= 0 }.
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They call such machines multi-stack visibly pushdown machines, MVPA. In their definition, these machines cannot simultaneously access both stacks. On reading ...
Nov 3, 2016 · You cannot pop two stack symbols in a single transition. That said, you can simulate popping two symbols using epsilon transitions (exercise).