approximation theory
51Cut (graph theory) — In graph theory, a cut is a partition of the vertices of a graph into two disjoint subsets. The cut set of the cut is the set of edges whose end points are in different subsets of the partition. Edges are said to be crossing the cut if they are… …
52Dirichlet's approximation theorem — In number theory, Dirichlet s theorem on Diophantine approximation, also called Dirichlet s approximation theorem, states that for any real number α and any positive integer N, there exists integers p and q such that 1 ≤ q ≤ N and This is a… …
53Model solid approximation — Electronic structure methods Tight binding Nearly free electron model Hartree–Fock method Modern valence bond Generalized valence bond Møller–Plesset perturbation theory …
54Møller–Plesset perturbation theory — Electronic structure methods Tight binding Nearly free electron model Hartree–Fock method Modern valence bond Generalized valence bond Møller–Plesset perturbation th …
55DLVO theory — The DLVO theory is named after Derjaguin and Landau, Verwey and Overbeek. The theory describes the force between charged surfaces interacting through a liquid medium. It combines the effects of the van der Waals attraction and the electrostatic… …
56Minor (graph theory) — In graph theory, an undirected graph H is called a minor of the graph G if H is isomorphic to a graph that can be obtained by zero or more edge contractions on a subgraph of G. The theory of graph minors began with Wagner s theorem that a graph… …
57List of number theory topics — This is a list of number theory topics, by Wikipedia page. See also List of recreational number theory topics Topics in cryptography Contents 1 Factors 2 Fractions 3 Modular arithmetic …
58HSAB theory — The HSAB concept is an acronym for hard and soft (Lewis) acids and bases. Also known as the Pearson acid base concept, HSAB is widely used in chemistry for explaining stability of compounds, reaction mechanisms and pathways. It assigns the terms… …
59K·p perturbation theory — In solid state physics, k·p perturbation theory is an approximation scheme for calculating the band structure (particularly effective mass) and optical properties of crystalline solids. It is pronounced k dot p , and is also called the k·p method …
60Liste der The-Big-Bang-Theory-Episoden — Diese Liste der The Big Bang Theory Episoden enthält alle Episoden der US amerikanischen Sitcom The Big Bang Theory sortiert nach der US amerikanischen Erstausstrahlung. Die Fernsehserie umfasst derzeit fünf Staffeln mit 97 Episoden.… …
