# 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.

 Type to find tags:
 axiom-of-choice× 219 schemes× 216 the geometrical study of solutions of algebraic systems of equations, not only over the real/complex numbers, but also over integer numbers (and more generally o… singularity-theory× 210 topological-groups× 210 asymptotics× 209 3-manifolds× 208 c-star-algebras× 208 a complex Banach algebra together with an isometric antilinear involution satisfying (a b)* = b* a* and the C*-identity ‖a* a‖ = ‖a‖². Related tags: [tag:banach-algebras], [tag:von-ne… fields× 208 abstract-algebra× 207 large-cardinals× 207 mathematics-education× 205 For questions in Mathematics Education as a scientific discipline. For more hands-on questions on teaching Mathematics, please use the tag teaching. There is also a Stack Exchange community http://mat… quantum-groups× 203 Questions about algebraic structures known as quantum groups, and their categories of representations. Quasitriangular Hopf algebras and their Drinfel'd twists, triangular Hopf algebras, $C^\star$ qua… finite-fields× 203 quadratic-forms× 202 order-theory× 200 topos-theory× 200 intuition× 198 Questions asking for the intuition behind some definition, conjecture, proof etc. In other words, questions designed to improve or to acquire understanding on a conceptual or intuitive level, as oppos… linear-programming× 197 noncommutative-algebra× 197 noncommutative-geometry× 195 Noncommutative geometry in the sense of Connes and beyond: noncommutative algebras viewed as functions on a noncommutative space. hopf-algebras× 193 a vector space $H$ over a field $k$ endowed with an associative product $\times:H\otimes_k H\to H$ and a coassociative coproduct $\Delta:H\to H\otimes_k H$ which is a morphism of alg… random-matrices× 193 Statistics of spectral properties of matrix-valued random variables. combinatorial-geometry× 193 von-neumann-algebras× 193 derived-category× 188 For questions about the derived categories of various abelian categories and questions regarding the derived category construction itself. modules× 186 algebraic-k-theory× 185 characteristic-p× 179 additive-combinatorics× 178 Questions on the subject additive combinatorics, also known as arithmetic combinatorics, such as questions on: additive bases, sum sets, inverse sum set theorems, sets with small doubling, Sidon sets,… markov-chains× 176 hodge-theory× 173 sobolev-spaces× 172 teaching× 172 For questions related to teaching mathematics. For questions in Mathematics Education as a scientific discipline there is also the tag mathematics-education. motives× 171 descriptive-set-theory× 170 commutative-rings× 169