nonpositive
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nonpositive — I. “+ adjective : not positive : negative, privative II. adjective 1. : being either negative or zero a nonpositive integer 2. : taking on nonpositive values … Useful english dictionary
Nonpositive data — refers to a database type. In Nonpositive data, the negative image of a set of data records is represented rather than the records themselves. For now we assume a universe U of finite length records (or strings), all of the same length l, and… … Wikipedia
nonpositive — /non poz i tiv/, adj. Math. (of a real number) less than or equal to zero. [NON + POSITIVE] * * * … Universalium
nonpositive — non·positive … English syllables
Polylogarithm — Not to be confused with polylogarithmic. In mathematics, the polylogarithm (also known as Jonquière s function) is a special function Lis(z) that is defined by the infinite sum, or power series: It is in general not an elementary function, unlike … Wikipedia
Polyhedral space — In mathematics, specifically in metric geometry, a polyhedral space is a certain metric space. A (Euclidean) polyhedral space is a (usually finite) simplicial complex in which every simplex has a flat metric. (Other spaces of interest are… … Wikipedia
Gamma function — For the gamma function of ordinals, see Veblen function. The gamma function along part of the real axis In mathematics, the gamma function (represented by the capital Greek letter Γ) is an extension of the factorial function, with its… … Wikipedia
Gödel's ontological proof — is a formalization of Saint Anselm s ontological argument for God s existence by the mathematician Kurt Gödel.St. Anselm s ontological argument, in its most succinct form, is as follows: God, by definition, is that than which a greater cannot be… … Wikipedia
Riemannian geometry — Elliptic geometry is also sometimes called Riemannian geometry. Riemannian geometry is the branch of differential geometry that studies Riemannian manifolds, smooth manifolds with a Riemannian metric , i.e. with an inner product on the tangent… … Wikipedia
Non-positive curvature — In mathematics, spaces of non positive curvature occur in many contexts and form a generalization of hyperbolic geometry. In the category of Riemannian manifolds, one can consider the sectional curvature of the manifold and require that this… … Wikipedia
