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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.

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For questions about accessible categories, accessible functors, and their properties. Use in conjonction with the tag (category-theory).
created 7 hours ago
non-abelian Lie algebra with no nontrivial ideals. A *semisimple Lie algebra* is a Lie algebra which is the direct sum of simple Lie algebras. This tag is for questions about s…
created yesterday
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Questions about dimensions of possibly highly irregular or "rough" sets, Hausdorff–Besicovitch dimension and related concepts such as box-counting or Minkowski–Bouligand dimension. To be used with [ta…
created Apr 17 at 13:02
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Association schemes belong to both algebra and combinatorics. They provide a unified approach to many topics, for example combinatorial designs and block codes. Association schemes also generalize gro…
created Mar 29 at 10:29
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For questions about locally presentable categories.
created Mar 26 at 21:30
created Mar 25 at 19:17
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Use for questions about mirror symmetry in theoretical/mathematical physics. Associate with [tag:mathematical-physics] if necessary.
created Mar 24 at 5:07
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a collection of statistical models and their associated estimation procedures (such as the "variation" among and between groups) used to analyze the differences among g…
created Mar 10 at 10:32
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In mathematics, the term chaos game referred to a method of creating a fractal, using a polygon and an initial point selected at random inside it.
created Mar 10 at 9:27
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For questions related to German translations of mathematical texts and reference requests for German texts.
created Mar 9 at 8:55
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A topological quantum field theory (or topological field theory or TQFT) is a quantum field theory which computes topological invariants.
created Mar 7 at 10:28