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There is a page named "Undecidable problem" on Wikipedia
- computability theory and computational complexity theory, an undecidable problem is a decision problem for which it is proved to be impossible to construct an...14 KB (1,921 words) - 21:06, 21 February 2025
- In computability theory, an undecidable problem is a decision problem for which an effective method (algorithm) to derive the correct answer does not...14 KB (1,584 words) - 19:21, 27 January 2025
- halting problem is undecidable, meaning that no general algorithm exists that solves the halting problem for all possible program–input pairs. The problem comes...53 KB (7,350 words) - 08:12, 21 February 2025
- Church's undecidability theorem)decidabilities. On the top are the undecidable problems. Below it are the decidable problems. Furthermore, the decidable problems can be divided into a complexity...19 KB (2,636 words) - 17:40, 12 February 2025
- Look up undecidable or undecidability in Wiktionary, the free dictionary. Undecidable may refer to: Undecidable problem in computer science and mathematical...644 bytes (117 words) - 21:48, 3 March 2019
- correspondence problem is an undecidable decision problem that was introduced by Emil Post in 1946. Because it is simpler than the halting problem and the...25 KB (2,521 words) - 16:01, 20 December 2024
most important problems in mathematics are undecidable. The field of computational complexity categorizes decidable decision problems by how difficult...10 KB (1,261 words) - 20:16, 18 January 2025- NP-Hard Problem)as difficult to solve as the problems in NP. However, the opposite direction is not true: some problems are undecidable, and therefore even more difficult...9 KB (1,119 words) - 02:53, 28 February 2025
- answering that question. In modern terms, Hilbert's 10th problem is an undecidable problem. In a Diophantine equation, there are two kinds of variables:...26 KB (3,287 words) - 16:32, 14 March 2025
- Hence, the problem is known to need more than exponential run time. Even more difficult are the undecidable problems, such as the halting problem. They cannot...63 KB (7,784 words) - 10:04, 16 March 2025
- Rice's theorem (category Undecidable problems)nor false for every program. The theorem generalizes the undecidability of the halting problem. It has far-reaching implications on the feasibility of...12 KB (1,712 words) - 11:17, 18 March 2025
- from this set. The matrix mortality problem is known to be undecidable when n ≥ 3. In fact, it is already undecidable for sets of 6 matrices (or more) when...3 KB (233 words) - 10:41, 12 November 2024
- same element of G {\displaystyle G} . The word problem is a well-known example of an undecidable problem. If A {\displaystyle A} is a finite set of generators...29 KB (4,910 words) - 14:41, 1 August 2024
- Essentially undecidable)arbitrary formulas are included in the theory. Many important problems are undecidable, that is, it has been proven that no effective method for determining...16 KB (1,884 words) - 03:58, 6 March 2025
- whether it is homeomorphic to another fixed simplicial complex. The problem is undecidable for complexes of dimension 5 or more.: 9–11 An abstract simplicial...4 KB (501 words) - 16:59, 29 January 2024
- Godel's Undecidability theorem)answers every question in the problem set (see undecidable problem). Because of the two meanings of the word undecidable, the term independent is sometimes...92 KB (12,116 words) - 01:49, 19 March 2025
- proving that a given expression is non-zero, or of showing that the problem is undecidable. For example, if x1, ..., xn are real numbers, then there is an...3 KB (364 words) - 02:18, 5 May 2023
- unsolvable are so-called undecidable problems, such as the halting problem for Turing machines. Some well-known difficult abstract problems that have been solved...7 KB (936 words) - 00:54, 15 January 2025
- undecidable. This principle, together with the fact that the arithmetic of natural numbers is undecidable, enables us to solve the decision problem for
- system will be logically incomplete and there will be statements that are undecidable -that is, the system will not be able to determine whether they are true
- Turing recognizable. Perhaps the most important undecidable problem for a TM is known as the halting problem. A universal Turing machine (UTM) cannot always