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 …
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 …
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 …
complexity theory - What is the difference between turing reductions ...
You got it backwards. Turing reductions are more general than many-one reduction. A many-one reduction is also a Turing reduction, but some Turing reductions are not many-one reductions. This is …
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
turing machines - Whats the difference between an oracle and a …
Dec 27, 2018 · I'm learning about Turing reductions at the moment and I'm just wondering is there any difference between an oracle and a decider, As they seemingly do the exact same thing. I …