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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a particular form of optimization modeling that tends to be well-suited for combinatorial models like scheduling and planning.
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For questions about vector lattices (aka. Riesz spaces; a type of vector space equipped with a partial order), Banach lattices and similar topics.
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graphs obtained from a group $G$ in a such way that vertices are elements of the group and edges are added using some generating set $S\subseteq G$.
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for questions pretaining to q-analogs of functions, for example q-Binomials, $q$-derivatives, the q-theta function, the q-Pochammer symbol, etc.
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Probabilistic methods prove existence results in a nonconstructive fashion, by showing the chance of randomly selecting a solution is greater than zero.
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a functor from a category to itself together with two natural transformations, commonly called μ (the "multiplication") and η (the "unit"), satisfying conditions that make μ monoidal and η …
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an integral where the function to be integrated is evaluated along a curve. The terms path integral, curve integral, and curvilinear integral are also used.
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Kolmogorov complexity concerns the size of the shortest program that generates a given string.
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the function space consisting of all continuous maps from the circle into a topological space; the function space is equipped with the compact-open topology. It is studied in …
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Percolation theory describes the behavior of connected clusters in a random graph.
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To be used with questions about continuous homomorphisms into a space carrying both a topological and an algebraic structure.
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For questions about topological graphs, flows, representation, planar, and book embeddings, geometric graphs, crossing numbers, coloring graphs, and other topics in topological graph theory.
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A brief study of transcendental numbers and algebraic independence theories; currently an on-development branch of mathematics with a lot of open problems.
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For questions about torsion groups and their properties. A torsion group is a group in which every element has finite order.
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For questions related to the fractional part of a number.
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Literally "together boundary", a cobordism is a relation between two compact manifolds stating that their disjoint union forms the boundary of a higher dimensional manifold. This defines a equivalence…
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Questions on the pronunciation of mathematical terms and notation.
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For questions regarding profinite groups and their properties.
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For questions about mixing in ergodic or probability theory.
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For questions about three-valued logic and other non-classical logics. Please use the more specific tags 'modal-logic' and 'fuzzy-logic' instead of this tag if they apply.
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a probability puzzle with a solution that is counterintuitive to many.
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For questions about the structure of product space, in the context of topology or measure theory for example. Use other tags to indicate the context.
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a regular, convex polyhedron with congruent faces of regular polygons and the same number of faces meeting at each vertex.
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the study of which axioms are required to prove mathematical theorems. This study is carried out by using formal theories of arithmetic, particularly subsystems of second-order …
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For questions concerning stability of equilibria and of other solutions of ordinary differential equations and their systems.