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For questions related to theory of semigroups of linear operators and its applications to partial differential equations, stochastic processes such as Markov processes and other branches of mathematic…
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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)
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A classifying space $BG$ of a topological group $G$ is the quotient of a weakly contractible space $EG$ by a free action of $G$. When $G$ is a discrete group $BG$ has homotopy type of $K(G,1)$ and (co…
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The difference of two prime consecutive prime numbers is the prime gap. $g_i := p_{i+1} - p_i$.
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an oriented graph which might contain multiple edges and loops. The terminology is used in representation-theory of finite dimensional algebras, where one considers functors from this grap…
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For questions about various search algorithms.
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For question about stereographic projection, a particular mapping that projects a sphere onto a plane.
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a particular form of optimization modeling that tends to be well-suited for combinatorial models like scheduling and planning.
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For questions about the uses of the Euclidean algorithm, Extended Euclidean algorithm, and related algorithms in integers, polynomials, or general Euclidean domains. This is **not** about Euclidean ge…
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For questions about Goldbach's conjecture: every even integer greater than two is the sum of two primes.
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For questions regarding the mathematical analysis of voting systems and behavior. Examples include the median voter theorem or the Condorcet jury theorems.
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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…
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a group $G$ whose elements are invertible $n \times n$ matrices over a field $F$.
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Questions on quadratic variations of stochastic processes. (Not to be confused with functions of bounded variation.)
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an associative ring without necessarily having a multiplicative identity (rng = ring - $i$dentity).
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Generalisation of (riemannian-geometry) where the metric is no longer required to be positive definite. The symmetry and non-degeneracy conditions are still kept. The particular case where the metric …
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Questions related to Inversive Geometry and its applications.
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For questions concerning the open source computational software program Maxima.
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a tool from homological algebra that defines a sequence of functors from rings to abelian groups. It has many applications in algebraic geometry. See also (topological-k-theory).
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For questions about the geometry, complex-analytic, and group-theoretic properties of the Möbius transformations (linear fractional transformations) $z \mapsto \frac{az + b}{cz + d}$ of the complex pl…
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A value representing the lowest $n$ percent of the values in a data set or of the possible values of a random variable.
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In mathematics, transformation geometry (or transformational geometry) is the name of a mathematical and pedagogic approach to the study of geometry by focusing on groups of geometric transformations,…
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Questions about vector spaces equipped with a symplectic form, a non-degenerate, skew-symmetric bilinear form.
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Questions about or involving perfect numbers which are positive integers that are equal to the sum of their proper positive divisors.