Tags
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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the branch of mathematics that deals with the mathematical aspects of problems from science and engineering: applied analysis, numerical mathematics, applied statistics etc. (For applications of mathe…
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Characteristic classes associated to complex vector bundles.
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The Weyl group of a root system is a subgroup generated by reflections through the hyperplanes orthogonal to the roots.
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An approximation algorithm is an algorithm that finds an approximate solution to a (typically NP-hard) problem. The quality of the algorithm is measured by how close to the actual optimum it performs…
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Deprecated; do NOT use this tag. Instead you could consider gr.group-theory, ac.commutative-algebra, ra.rings-and-algebras, universal-algebra, or various more specific tags.
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for questions regarding to the Pseudo-differential operator, acting on a space of functions on a differentiable manifold, that can locally be described by definite rules using a certain fu…
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Topological vector space with a locally convex topology, i.e. induced by a system of seminorms.
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Use for questions about mirror symmetry in theoretical/mathematical physics.
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Stability theory, including global stability (in dynamical systems, where it can notably be used in combination with ds.dynamical-systems)
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The Prime Number Theorem is a theorem that describes the distribution of the primes. It says that the number of primes less than or equal to a real number $x$ is asymptotic to $\frac{x}{\ln x}$.
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for questions requesting advice (e.g. on a suitable publishing venue, presentation strategy, career move, ethical dilemma). It should be used in conjunction with a more specific tag, such …
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The loop space $Ω_X$ of a pointed topological space $X$ is the space of based maps from the circle $\mathbb S^1$ to $X$ with the compact-open topology.
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The study of formal languages (sets of strings or trees over an alphabet), rewriting systems and algorithms, recognition automata/algorithms, and related questions.
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Equivariant homotopy theory is the study of how homotopy theory behaves when spaces are considered together with a group action on them.
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Applications of mathematics to any field inside or outside mathematics
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For questions about projective modules over a ring and projective objects in related categories.
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