Return to Coherence in physics, Quantum decoherence theory, Quantum, Quantum Computing, Quantum Computer, Quantum Mechanics

Also see coherence, coherency, coherent, incoherence, incoherent

• coherence on Wiktionary
• coherency on Wiktionary
• coherent on Wiktionary
• incoherence on Wiktionary
• incoherent on Wiktionary

Coherence, coherency, or coherent may refer to the following:

• Coherence (physics), an ideal property of waves that enables stationary (i.e. temporally and spatially constant) interference
• Coherence (units of measurement), a derived unit that, for a given system of quantities and for a chosen set of base units, is a product of powers of base units with no other proportionality factor than one
• Coherence time, the time over which a propagating wave (especially a laser or maser beam) may be considered coherent; the time interval within which its phase is, on average, predictable

• Coherence (philosophical gambling strategy), a concept in Bayesian statistics
• Coherence (signal processing), a statistic that can be used to examine the relation between two signals or data sets
• Coherence (statistics), a property of self-consistency across a set of assessments, or the strength of association between two series
• Coherence condition in category theory, a collection of conditions requiring that various compositions of elementary morphisms are equal
• Coherency (homotopy theory) in homotopy theory and (higher) category theory
• Coherent sampling, a relationship used in Fast Fourier transforms
• Coherent set of characters in representation theory, a property of sets of characters that allows one to extend an isometry from the degree-zero subspace of a space of characters to the whole space
• Coherent sheaf, a specific class of sheaves having particularly manageable properties closely linked to the geometrical properties of the underlying space
• Mutual coherence (linear algebra), sometimes referred to as coherence, the maximum absolute value of the cross-correlations between the columns of a matrix
• Multi-spectral phase coherence, a generalized nonlinear cross-frequency phase coupling metric introduced by Yang et al., 2016
• Coherence (fairness), a consistency requirement of fair division rules.

• Coherentism, philosophical theories in modern epistemology, the study of knowledge
• Coherence theory of truth, a theory which regards truth as coherence within some specified set of sentences, propositions or beliefs

• Coherence (programming language), an experimental programming language based upon Subtext
• Cache coherence, a special case of memory coherence
• Memory coherence, a concept in computer architecture
• In Scrum and agile methodologies, coherence is defined as a measure of the relationships between backlog items which make them worthy of consideration as a whole.

• Coherence (software), a component of Parallels Desktop for Mac, the Windows virtualization software
• Coherent (operating system), a UNIX-clone operating system
• Oracle Coherence, an in-memory data grid product from Oracle

• Coherence (cognitive science), a property of mental/cognitive states
• Coherence (linguistics), what makes a text semantically meaningful
• Coherence (music theory), a synonym for strict Rothenberg propriety in diatonic set theory
• Coherent optical module, a hot-pluggable optical transceiver implementing a coherent modulation algorithm
• Coherence time (communications systems), duration when a communication channel can be assumed to be constant
• Coherent risk measure in financial economics, a function that satisfies properties of monotonicity, sub-additivity, homogeneity, and translational invariance

• Cohesion (disambiguation)
• Mutual coherence (disambiguation)

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