This project implements a Pushdown Automaton (PDA) simulator in C. It reads a PDA configuration from a text file, processes input strings, and determines whether they are accepted or rejected based on ...

Define the context-free language $A$ to be the set of all valid arithmetic floating point operations, enclosed in two strings of symbols in a specific format. Each ...

A formal-linguistic approach for solving an entertaining task is offered in this paper. The well-known task of the Hanoi towers is discussed in relation to some concepts of formal languages and ...

Abstract: Oracle modification of subtree pushdown automata for ranked and unranked ordered trees is presented. Subtree pushdown automata [1] represent a complete index of a tree for subtrees. Subtree ...