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Informally, an algorithm is a set of explicit instructions used to solve a problem (e.g. Euclid's algorithm for computing the greatest common divisor of two integers). For more specific questions on algorithms, this tag may be used in conjunction with the approximation-algorithms, algorithmic-randomness and algorithmic-topology tags.
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Algorithm for detecting ribbon or slice links?
As far as I know, there are no algorithms for all three of these questions. My question is whether this is really true. For example, is there an algorithm to detect whether a link is ribbon? …
3
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NP-Hard solution question
By definition, an NP hard problem must be a decision problem. That means it must have an answer of "yes" or "no," based on any given input. So it can't have "multiple answers."
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What are the applications of hypergraphs?
I'll go ahead and plug a paper of mine in the hopes it will generate more interest in it, Boolean formulae, hypergraphs, and combinatorial topology which I wrote with my student Oliver Thistlethwaite …