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:
× 62
For questions about strictly stationary or stationary in the wide sense sequences or processes. Questions about deterministic stationary processes (in the case of discrete dynamical systems) are welco…
× 62
In mathematics, especially in algebraic geometry and the theory of complex manifolds, coherent sheaves are a specific class of sheaves having particularly manageable properties closely linked to the g…
× 62
called invariant if, given some steps that alter the object, always remains, no matter what steps are used in what order.
× 62
The utilization of advanced computing technology in mathematical research: new mathematical results discovered partly or entirely with the aid of computer-based tools.
× 62
meant for questions which are generalized forms of questions which get asked frequently. See tag details for more information.
× 61
An simple graph has a symmetric matrix L = D - A associated with it called the Laplacian matrix, where D is the diagonal matrix of degrees and A is the adjacency matrix, often studied for its spectrum…
× 61
The study of the relationships between physical quantities by identifying their units of measure and fundamental dimensions. It is used to convert from one set of units to others such as from miles p…
× 61
an area in the intersection of game theory and algorithm design, whose objective is to design algorithms in strategic environments. (Def: http://en.m.wikipedia.org/wiki/Al…
× 61
symmetric in its arguments.
× 61
a card game with several variants (Draw, Texas Hold'em, ...), the common goal being to collect face value patterns such as "four of a kind", "full house" or "straight" or all of a suit ("flus…
× 60
For properties of knots that remain unaffected by Reidmaster moves
× 60
× 60 × 60
For questions about artificial intelligence.
× 60
In probability theory and statistics, the binomial distribution with parameters n and p is the discrete probability distribution of the number of successes in a sequence of n independent yes/no experi…
× 59
For questions about or involving geometric series, a series where successive terms have a common ratio.
× 59
For questions related to Euler's constant, which is defined to be the limiting difference between the natural logarithm and the harmonic series.
× 59
A branch of topology that deals with the notion of a fiber bundle.
× 59 × 59
The operator $A^+$ which best approximates a solution to linear equations $Ax+b=0$ even if $A$ is singular.
× 59
For question on Tessellations, the process of creating a two-dimensional plane using the repetition of a geometric shape with no overlaps and no gaps.
× 58
Questions on the mathematics behind the famed toy invented by Ernő Rubik.
× 58
ideals which are contained in only one other ideal which is the ring itself.
× 58
a generalization of the idea of periodic functions in Euclidean space to general topological groups.
× 58
In mathematics, particularly in algebraic geometry, complex analysis and number theory, an abelian variety is a projective algebraic variety that is also an algebraic group, i.e., has a group law that…
× 57
Question on minimal surfaces, or surfaces that have zero mean curvature.
× 56
Inverse problems involve for example reconstruction of an object based on physical measurements and finding a best model/parameters out of a family given observed data. Typically the corresponding "fo…
× 56
Questions on finding integer solutions to a certain kind of bivariate equations.
× 56
a mathematical term that describes the property of an integer's inclusion in one of two categories: even or odd. An integer is even if it is 'evenly divisible' by two and odd if it is not ev…
× 56
the property shared by many binary operations including group operations. For a binary operation $\cdot$, associativity holds if $(x\cdot y)\cdot z = x \cdot(y\cdot z)$.
× 56
For questions about complex manifolds.
× 55
In mathematics the Chebyshev polynomials, named after Pafnuty Chebyshev, are a sequence of orthogonal polynomials which are related to de Moivre's formula and which can be defined recursively.
× 55
In calculus of variations, the Euler–Lagrange equation, Euler's equation, or Lagrange's equation, is a second-order partial differential equation whose solutions are the functions for which a given fu…
× 55
An ordinary differential equation that generalizes the notion of "path of steepest descent." For questions on "gradients" of a function, use (multivariable-calculus) instead.
× 54 × 54
For question about the Schwartz space, a vector space of smooth functions stable under the Fourier transform.