Decomposition (disambiguation)

Biology and ecology

 * Decomposition is the process through which organic matter is broken down into simpler molecules.
 * Biodegradation

Decomposition, decompose may also refer to:

Chemistry

 * Chemical decomposition or analysis, in chemistry, is the fragmentation of a chemical compound into elements or smaller compounds
 * Thermal decomposition, chemical decomposition caused by heat

Mathematics

 * Decomposition of time series, a statistical task that deconstructs a time series into several components
 * Doob decomposition theorem of an integrable, discrete-time stochastic process
 * Doob–Meyer decomposition theorem of a continuous-time sub- or supermartingale
 * Fourier decomposition, re-expressing a given periodic function as the sum of a series of trigonometric functions
 * Hahn decomposition theorem of a measure space
 * Jordan decomposition theorem of a signed measure
 * Helmholtz decomposition, decomposition of a vector field
 * Indecomposable continuum
 * Lebesgue's decomposition theorem, decomposition of a measure
 * Lie group decomposition, used to analyse the structure of Lie groups and associated objects
 * Manifold decomposition, decomposition of manifolds
 * JSJ decomposition, or toral decomposition, a decomposition of 3-manifolds
 * Matrix decomposition, a factorization of a matrix into a product of matrices
 * LU decomposition, a type of matrix factorization
 * Permutation decomposition, decomposition of a permutation into disjoint cycles
 * Primary decomposition, decomposition of ideals into primary ideals
 * Vector decomposition, decomposition of vectors into components or coordinates of basis vectors
 * Wavelet decomposition, re-expressing a given function as the sum of a series of wavelet functions

Physics

 * Spinodal decomposition, phase separation mechanism

Other uses

 * Decomposition (computer science), or factoring; the process of breaking a complex problem down into easily understood and achievable parts
 * Decomposition method (disambiguation), solutions of various problems and design of algorithms
 * Functional decomposition, expressing a function as the composition of two functions
 * Semantic decomposition (natural language processing)
 * Decompositions: Volume Number One, the second studio album by American screamo band Circle Takes the Square
 * Zersetzung, or decomposition, a debilitative psychological warfare technique utilised by the Stasi intelligence agency in East Germany