A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

Questions about or related to P vs. NP
77 questions
equal to the length of the shortest program computing s and halting. Measures the lack of structure in a string.
77 questions
a subset of the edges of a graph, such that no edge in the subset shares a vertex with another.
76 questions
Problems known to be open in the literature and any problem that, after being posed, is decided to be open by the community.
74 questions
The history behind the topics: where their name comes from, who discovered them, when they were first proved, how they evolved during the years.
74 questions
Used for questions about existing or possible proofs of a specific theorem or conjecture
71 questions
Questions relating to the *practice* of research in theoryCS
70 questions
Questions arising from applications of theoretical computer science in other areas of computer science research/practice or other subjects.
69 questions
Questions regarding the treewidth of graphs. Graphs of low treewidth admit fast divide-and-conquer algorithms for many graph problems that are NP-hard on general graphs.
66 questions
63 questions
propositional proof systems and corresponding bounded arithmetic theories
62 questions
60 questions
Theoretical questions about Artificial Intelligence
60 questions
algorithms for parameterized problems where the run-time is polynomial in the input size, but depends arbitrarily on the parameter
58 questions
practical questions about doing research in theoretical computer science
58 questions
not known to be either true or false.
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