# 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:
 3-manifolds× 186 schemes× 185 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… quantum-groups× 185 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… stochastic-calculus× 183 intuition× 183 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… topos-theory× 183 automorphic-forms× 182 abstract-algebra× 178 hopf-algebras× 176 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… order-theory× 176 noncommutative-algebra× 175 singularity-theory× 175 von-neumann-algebras× 175 characteristic-p× 173 geometric-group-theory× 169 Large scale properties of groups; growth functions; Dehn functions; small cancellation properties; hyperbolicity and CAT(0); actions and representations; combinatorial group theory; presentations finite-fields× 167 asymptotics× 167 quadratic-forms× 167 large-cardinals× 166 c-star-algebras× 165 derived-category× 162 modules× 162 combinatorial-geometry× 160 topological-groups× 159 teaching× 156 For questions related to teaching mathematics. For questions in Mathematics Education as a scientific discipline there is also the tag mathematics-education. noncommutative-geometry× 155 random-matrices× 150 Statistics of spectral properties of matrix-valued random variables. math-philosophy× 146 commutative-rings× 144 hodge-theory× 143 markov-chains× 143 algebraic-k-theory× 142 additive-combinatorics× 141 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,… descriptive-set-theory× 141 manifolds× 140 projective-geometry× 139