WebMar 8, 2011 · A language is Recognizable iff there is a Turing Machine which will halt and accept only the strings in that language and for strings not in the language, the TM either rejects, or does not halt at all. Note: there is no requirement that the Turing Machine should halt for strings not in the language. A language is Decidable iff there is a ... WebMore formally, an undecidable problem is a problem whose language is not a recursive set; see the article Decidable language. There are uncountably many undecidable ... (determining whether it halts for every starting configuration). Determining whether a Turing machine is a ... Algorithms from P to NP, volume 1 - Design and Efficiency ...
Does every Turing-recognizable undecidable language have a NP …
WebMay 10, 2016 · Partially decidable or Semi-Decidable Language -– A decision problem P is said to be semi-decidable (i.e., have a semi-algorithm) if the language L of all yes … WebQuestion: 1. True or False. T = true, F = false, and O = open, meaning that the answer is not known science at this time. In the questions below, P and NP denote P-TIME and NP-TIME, respectively. (i) — Every language generated by an unambiguous context-free grammar is accepted by some DPDA. (ii) — The language {a"b"c" d n >0} is recursive. tampa yacht charter rental
Decidability and Undecidability in TOC - GeeksforGeeks
WebAnswer (1 of 4): As others have mentioned, the answer is obviously No if P=NP, and not-obviously Yes if P\neqNP, thanks to Ladner’s Theorem. What is perhaps more … WebJun 28, 2024 · 1. The complement of every Turning decidable language is Turning decidable 2. There exists some language which is in NP but is not Turing decidable 3. … Web9. Does every Turing-recognizable undecidable language have a NP-complete subset? The question could be seen as a stronger version of the fact that every infinite Turing … tampa yacht and country club menu