bijectivity
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Diagnosis codes — In healthcare, diagnostic codes are used to group and identify diseases, disorders, symptoms, human response patterns, and medical signs, and are used to measure morbidity and mortality. As the plural with the name of this lemma indicates, there… … Wikipedia
T-function — In cryptography, a T function is a bijective mapping that updates every bit of the state in a way that can be described as x i = x i + f(x 0, cdots, x {i 1}), or in simple words an update function in which each bit of the state is updated by a… … Wikipedia
Adjoint functors — Adjunction redirects here. For the construction in field theory, see Adjunction (field theory). For the construction in topology, see Adjunction space. In mathematics, adjoint functors are pairs of functors which stand in a particular… … Wikipedia
Entity-relationship model — A sample Entity relationship diagram using Chen s notation In software engineering, an entity relationship model (ERM) is an abstract and conceptual representation of data. Entity relationship modeling is a database modeling method, used to… … Wikipedia
Plücker coordinates — In geometry, Plücker coordinates, introduced by Julius Plücker in the 19th century, are a way to assign six homogenous coordinates to each line in projective 3 space, P 3. Because they satisfy a quadratic constraint, they establish a one to one… … Wikipedia
VEST — High Level Structure of VEST General Designers Sean O Neil First published June 13, 2005 Cipher deta … Wikipedia
Substitution of variables — In mathematics, substitution of variables (also called variable substitution or coordinate transformation) refers to the substitution of certain variables with other variables. Though the study of how variable substitutions affect a certain… … Wikipedia
Garden of Eden (cellular automaton) — An orphan pattern in Conway s Game of Life, discovered by R. Banks in 1971.[1] … Wikipedia
