Ordered multi-stack visibly pushdown automata
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Visibly pushdown automata are input-driven pushdown automata that recognize some non-regular context-free languages while preserving the nice closure and decidability properties of finite automata. Visibly pushdown automata with multiple stacks have been considered recently by La
Two-player infinite games have been extensively studied in Descriptive Set Theory in the past several decades, accompanied by a celebrated result due to Martin that all Gale-Stewart games with Borel winning conditions are determined. In this paper, we are interested in the follow
Visibly pushdown automata are popular as they are closed under Boolean operations and determinization. There exist multiple notions of timed pushdown systems like recursive timed automata, densetime pushdown automata. We explore a generalization of visibly pushdown automata over
We contribute to the theory of formal languages of visibly multistack pushdown automata (Mvpa). First, we show closure under the main operations and decidability of the main decision problems for the class of Mvpa restricted to computations where a symbol can be popped from a sta
Two of the most celebrated results that effectively exploit visual representation to give logical characterization and decidable modelchecking include visibly pushdown automata (VPA) by Alur and Madhusudan and event-clock automata (ECA) by Alur, Fix and Henzinger. VPA and ECA—by
We investigate the possibility of (bi)simulation-like preorder/equivalence checking on the class of visibly pushdown automata and its natural subclasses visibly BPA (Basic Process Algebra) and visibly one-counter automata. We describe generic methods for proving complexity upper