quasi-complex
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quasi-complex — adj.; quasi complexly, adv … Useful english dictionary
Quasi-quotation — is a linguistic device that facilitates rigorous and terse formulation of general rules about linguistic expressions while properly observing the use mention distinction. It was introduced in by the philosopher and logician Willard van Orman… … Wikipedia
Quasi-Monte Carlo methods in finance — High dimensional integrals in hundreds or thousands of variables occur commonly in finance. These integrals have to be computed numerically to within a threshold epsilon. If the integral is of dimension d then in the worst case, where one has a… … Wikipedia
Quasi-probability distribution — In the most general form, the dynamics of a quantum mechanical system are determined by a master equation an equationof motion for the density operator (usually written rho;) of thesystem. Although it is possible to directly integrate this… … Wikipedia
Quasi-likelihood — In statistics, quasi likelihood estimation is one way of allowing for overdispersion, that is, greater variability in the data than would be expected from the statistical model used. It is most often used with models for count data or grouped… … Wikipedia
Quasi-finite field — In mathematics, a quasi finite field is a generalisation of a finite field. Standard local class field theory usually deals with complete fields whose residue field is finite , but the theory applies equally well when the residue field is only… … Wikipedia
Quasi-isomorphism — In homological algebra, a branch of mathematics, a quasi isomorphism is a morphism A → B of chain complexes (respectively, cochain complexes) such that the induced morphisms :H n(A ullet) o H n(B ullet) ( ext{respectively, } H^n(A^ullet) o… … Wikipedia
Quasi-Lie algebra — In mathematics, a quasi Lie algebra in abstract algebra is just like a Lie algebra, but with the usual axiom : [x,x] =0replaced by : [x,y] = [y,x] (anti symmetry).In characteristic other than 2, these are equivalent (in the presence of… … Wikipedia
Cotangent complex — In mathematics the cotangent complex is a roughly a universal linearization of a morphism of geometric or algebraic objects. Cotangent complexes were originally defined in special cases by a number of authors. Luc Illusie, Daniel Quillen, and M.… … Wikipedia
Design of quasi-experiments — The design of a quasi experiment relates to a particular type of experiment or other study in which one has little or no control over the allocation of the treatments or other factors being studied. The key difference in this empirical approach… … Wikipedia
