# 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:
 integration-by-parts× 80 To be used when the technique of Integration By Parts is the dominant topic of the question. linear-groups× 79 a group $G$ whose elements are invertible $n \times n$ matrices over a field $F$. publishing× 79 for questions about publishing mathematical content confidence-interval× 79 rigid-transformation× 79 mappings from one reference frame to another reference frame in the Euclidean space $\mathbb R^n$. They comprise translation, rotation (and sometimes reflection). More for… transpose× 78 In linear algebra, the transpose of a matrix is another matrix whose i-th row and j-th column is the j-th row and i-th column of the original matrix. arc-length× 77 Given $t\in I$, the arc length of a regular parametrized curve $\alpha : I \rightarrow {\bf R}^3$, from the point $t_0$, is by definition $$s(t)=\int_{t_0}^t |\alpha'(t)| dt,$$ where |\alpha'(t)| … linear-approximation× 76 For questions about linear approximations, $f(x) \approx f(a)+f'(a)(x-a)$ for $x$ around $a$. young-tableaux× 76 quadratic-variation× 75 Questions on quadratic variations of stochastic processes. (Not to be confused with functions of bounded variation.) multivalued-functions× 75 In Mathematics, set theory, a Multivalued function is defined as a left-total relation (that is, every input is associated with at least one output) in which at least one input is associated with mult… blowup× 75 A technique in geometry (especially algebraic and differential, and by extension to study of pseudo-differential operators) for resolution of singularities. Not to be confused with the formation of si… cohen-macaulay× 74 deformation-theory× 74 The study of how mathematical objects (complex manifolds, associative algebras, Lie algebras) can be deformed into similar mathematical objects, at least infinitesimally. random-functions× 74 quantum-computation× 73 Quantum Computation deals with considering computation as fundamentally physical, as well as replacing the classical binary digit (bit) with the quantum binary digit (qubit). While the classical bit i… monomial-ideals× 73 lagrange-interpolation× 73 A method of generating a polynomial that crosses through a set of data. The degree of this polynomial is equal to the size of the data. function-fields× 73 goldbachs-conjecture× 72 For questions about Goldbach's conjecture: every even integer greater than two is the sum of two primes. fuzzy-logic× 72 a form of many-valued logic that deals with approximate, rather than fixed and exact reasoning. (Def: http://en.m.wikipedia.org/wiki/Fuzzy_logic) cauchy-principal-value× 72 Computation of Cauchy principal values of integrals. May be tied in with contour integration, but should be separate from definite-integrals. profinite-groups× 72 For questions regarding profinite groups and their properties. power-towers× 72 For questions pertaining to power towers: expressions like a^(b^(c^d))), which result from iterated exponentiation. The "hyperoperation" tag may be appropriate, too. rngs× 72 an associative ring without necessarily having a multiplicative identity (rng = ring - $i$dentity). mobius-function× 71 Questions on the Möbius function μ(n), an arithmetic function used in number theory. groupoids× 71 A groupoid (in the sense of category theory) is a small category in which every morphism is an isomorphism. Groupoids arise throughout mathematics, e.g. in guise of fundamental groupoids in the theory… galois-representations× 71 Questions relating to the representations of the absolute Galois group $\mathrm{Gal}(\overline K/K)$ of a number field or of a local field. chemistry× 70 Questions related to mathematical chemistry which include application of mathematics to problems in chemistry and the development of mathematical methods suitable for such applications and for the for… metric-geometry× 70 The study of geometry of manifolds without appealing to differential calculus. It includes studies of length spaces, Alexandrov spaces, and CAT(k) spaces. The techniques are often applicable to Rieman… lie-derivative× 70 The Lie derivative gives a way to define the derivative of a tensor field in the direction of a vector field. popular-math× 69 Question on bits and pieces of mathematics that show up in popular media (TV, movies, comics, etc.) provability× 68 mathematicians× 68 Questions about mathematicians and their lives. centroid× 68 "The centroid or geometric center of a plane figure is the arithmetic mean ("average") position of all the points in the shape. " This tag is for questions about the centroid of a geometrical shape… birational-geometry× 68