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costas busch - lsu1 time complexity costas busch - lsu2 consider a deterministic turing machine which decides a language costas busch - lsu3 for any string the computation…
slide 11 costas busch Õ(congestion + dilation) hot-potato routing on leveled networks costas busch rensselaer polytechnic institute slide 2 2 leveled networks congestion…
slide 1 courtesy costas busch - rpi1 mathematical preliminaries slide 2 courtesy costas busch - rpi2 mathematical preliminaries sets functions relations graphs proof techniques…
slide 1 prof. busch - lsu1 context-free languages slide 2 prof. busch - lsu2 regular languages context-free languages slide 3 prof. busch - lsu3 context-free languages pushdown…
costas busch - lsu3 we need a tool to prove that the previous problems for context-free languages are undecidable: the post correspondence problem
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 costas busch - lsu1 non-deterministic finite automata slide 2 costas busch - lsu2 alphabet = nondeterministic finite automaton (nfa) slide 3 costas busch - lsu3 no…
slide 1 context-free languages hinrich schütze cis, lmu, 2013-11-25 slides based on rpi csci 2400 thanks to costas busch slide 2 take-away definition context-free grammar…
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 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…
1 other models of computation costas busch - lsu 2 models of computation: turing machines recursive functions post systems rewriting systems costas busch - lsu 3 church’s…
slide 1 courtesy costas busch - rpi1 turing’s thesis slide 2 courtesy costas busch - rpi2 turing’s thesis: any computation carried out by mechanical means can be performed…
21414 costas busch - rpi 1 regular languages, regular expressions, and pumping lemma 21414 costas busch - rpi 2 non turing-acceptable turing-acceptable decidable context-sensitive…
costas busch - lsu * a universal turing machine costas busch - lsu costas busch - lsu * turing machines are âhardwiredâ they execute only one program a limitation of turing…
slide 1 prof. busch - lsu1 turing machines slide 2 prof. busch - lsu2 the language hierarchy regular languages context-free languages ? ? slide 3 prof. busch - lsu3 regular…
csc312 automata theory lecture # 2 languages courtesy costas busch - rpi * alphabets: an alphabet is a finite set of symbols, usually letters, digits, and punctuations. valid/in-valid…
slide 1 costas busch - rpi1 more applications of the pumping lemma slide 2 costas busch - rpi2 the pumping lemma: given a infinite regular language there exists an integer…
slide 1 courtesy costas busch - rpi1 reducibility slide 2 courtesy costas busch - rpi2 problem is reduced to problem if we can solve problem then we can solve problem slide…
* linguagens * * um alfabeto é um cojunto finito de símbolos string (ou palavra): sequência de símbolos exemplos: “cat”, “dog”, “house”, … definida sobre…
slide 1 costas busch - rpi1 single final state for nfas slide 2 costas busch - rpi2 any nfa can be converted to an equivalent nfa with a single final state slide 3 costas…