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slide 1 fall 2003costas busch - rpi1 linear grammars grammars with at most one variable at the right side of a production examples: slide 2 fall 2003costas busch - rpi2 a…
slide 1 costas busch - rpi1 standard representations of regular languages regular languages dfas nfas regular expressions regular grammars slide 2 costas busch - rpi2 when…
slide 1fall 2006costas busch - rpi1 decidable languages slide 2 fall 2006costas busch - rpi2 recall that: a language is turing-acceptable if there is a turing machine that…
slide 1 fall 2006costas busch - rpi1 regular expressions slide 2 fall 2006costas busch - rpi2 regular expressions regular expressions describe regular languages example:…
mathematical preliminaries costas busch - rpi mathematical preliminaries sets functions relations graphs proof techniques costas busch - rpi a set is a collection of elements…
slide 1 courtesy costas busch - rpi1 mathematical preliminaries slide 2 courtesy costas busch - rpi2 mathematical preliminaries sets functions relations graphs proof techniques…
slide 1 costas busch - rpi1 context-free languages slide 2 costas busch - rpi2 regular languages slide 3 costas busch - rpi3 regular languages context-free languages slide…
slide 1fall 2006costas busch - rpi1 context-free languages slide 2 fall 2006costas busch - rpi2 regular languages context-free languages slide 3 fall 2006costas busch - rpi3…
slide 1 courtesy costas busch - rpi1 pushdown automata pdas slide 2 courtesy costas busch - rpi2 pushdown automaton -- pda input string stack states slide 3 courtesy costas…
slide 1 fall 2005costas busch - rpi1 context-free languages slide 2 fall 2005costas busch - rpi2 regular languages slide 3 fall 2005costas busch - rpi3 regular languages…
slide 1 courtesy costas busch - rpi1 non-regular languages slide 2 courtesy costas busch - rpi2 regular languages non-regular languages slide 3 courtesy costas busch - rpi3…
slide 1 fall 2005costas busch - rpi1 pushdown automata pdas slide 2 fall 2005costas busch - rpi2 pushdown automaton -- pda input string stack states slide 3 fall 2005costas…
slide 1 costas buch - rpi1 simplifications of context-free grammars slide 2 costas buch - rpi2 a substitution rule substitute equivalent grammar slide 3 costas buch - rpi3…
slide 1fall 2006costas busch - rpi1 a universal turing machine slide 2 fall 2006costas busch - rpi2 turing machines are hardwired they execute only one program a limitation…
slide 1courtesy costas busch - rpi1 linear bounded automata lbas slide 2 courtesy costas busch - rpi2 linear bounded automata (lbas) are the same as turing machines with…
slide 1 costas busch - rpi1 npdas accept context-free languages slide 2 costas busch - rpi2 context-free languages (grammars) languages accepted by npdas theorem: slide 3…
slide 1 fall 2006costas busch - rpi1 undecidable problems (unsolvable problems) slide 2 fall 2006costas busch - rpi2 recall that: a language is decidable, if there is a turing…
the post correspondence problem costas busch - rpi some undecidable problems for context-free languages: is context-free grammar ambiguous? is ? are context-free grammars…
slide 1 courtesy costas busch - rpi1 a universal turing machine slide 2 courtesy costas busch - rpi2 turing machines are “hardwired” they execute only one program a limitation…
slide 1fall 2006costas buch - rpi1 simplifications of context-free grammars slide 2 fall 2006costas buch - rpi2 a substitution rule substitute equivalent grammar slide 3…