
What is decider? - Computer Science Stack Exchange
Intuitively, a decider should be a Turing machine that given an input, halts and either accepts or rejects, relaying its answer in one of many equivalent ways, such as halting at an ACCEPT or REJECT state, …
turing machines - Computer Science Stack Exchange
Dec 8, 2023 · Please don't use images as main content of your post. This makes your question impossible to search and inaccessible to the visually impaired; we don't like that. Please transcribe …
Confused about definition of a non-deterministic decider
Jul 4, 2021 · Fallowing are some definitions from book "introduction to theory of computation" by sipser. a nondeterministic turing machine is a decider if all its computation branches halt on all inp...
Turing Machines: What is the difference between recognizing, deciding ...
Jun 30, 2019 · See comment on OP's answer here, then the answer by Jan Hudec : What is the difference between a TM accepting and deciding a language? I have also seen the definition of …
Show that a decidable language is not decided by a decider in a given set
Jun 11, 2020 · My qualm about this is that the question seems to imply finding a decidable language, the decider for which is not in the set of all deciders, which goes against the definition of decidability of …
context free - Can we build a nondeterministic decider PDA using two ...
Can we build a nondeterministic decider PDA using two PDAs accepting a language and its complement? Ask Question Asked 10 years, 11 months ago Modified 10 years, 7 months ago
complexity theory - Confused about the concept of deciding in ...
Mar 7, 2022 · In the definitions that I have seen, the only way for a (decider) TM to halt is to reach either the accepting or the rejecting state. Here is a source: Bovet, Crescenzi. Introduction to the theory of …
computability - Show that a language is decidable iff some enumerator ...
As a result, we end up showing that the language is decidable but we do not (and cannot) algorithmically construct the decider for the language from the enumerator for the language. This subtle point is the …
Prove by reduction EVEN TM is undecidable
Feb 16, 2018 · Reduction from ATM. Assume that EVEN TM is decidable with decider MT. We now show how to build, given a M, w a machine description M' that satisfies the following faithfulness …
Why nondeterministic decider for $ HAMPATH - Computer Science …
Jul 1, 2023 · Why nondeterministic decider for $ HAMPATH $ runs in polynomial time? Ask Question Asked 2 years, 5 months ago Modified 2 years, 5 months ago