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What (who) is pushdown automaton - definition
Pushdown automaton
TYPE OF AUTOMATON
Push-down automaton; Pushdown automata; Stack automaton; Push-Down Automaton; Push-down automata; Push Down Automaton; Push down automaton; Pushdown autonoma; Pushdown transducer; Pushdown Transducer; Two-Stack Push Down Automaton; Nondeterministic pushdown automaton; Pushdown stack
In the theory of computation, a branch of theoretical computer science, a pushdown automaton (PDA) is
Deterministic pushdown automaton
In automata theory, a deterministic pushdown automaton (DPDA or DPA) is a variation of the pushdown automaton. The class of deterministic pushdown automata accepts the deterministic context-free languages, a proper subset of context-free languages.
Embedded pushdown automaton
An embedded pushdown automaton or EPDA is a computational model for parsing languages generated by tree-adjoining grammars (TAGs). It is similar to the context-free grammar-parsing pushdown automaton, but instead of using a plain stack to store symbols, it has a stack of iterated stacks that store symbols, giving TAGs a generative capacity between context-free and context-sensitive grammars, or a subset of mildly context-sensitive grammars.
