K-space or k-space can refer to:
*Another name for the spatial
frequency domain
In mathematics, physics, electronics, control systems engineering, and statistics, the frequency domain refers to the analysis of mathematical functions or signals with respect to frequency (and possibly phase), rather than time, as in time ser ...
of a spatial Fourier transform
**
Reciprocal space
Reciprocal lattice is a concept associated with solids with translational symmetry which plays a major role in many areas such as X-ray diffraction, X-ray and Electron diffraction, electron diffraction as well as the Electronic band structure, e ...
, containing the reciprocal lattice of a spatial lattice
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Momentum space
In physics and geometry, there are two closely related vector spaces, usually three-dimensional but in general of any finite dimension.
Position space (also real space or coordinate space) is the set of all ''position vectors'' r in Euclidean sp ...
, or wavevector space, the vector space of possible values of momentum for a particle
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''k''-space (magnetic resonance imaging)
*Another name for a
compactly generated space
In topology, a topological space X is called a compactly generated space or k-space if its topology is determined by compact spaces in a manner made precise below. There is in fact no commonly agreed upon definition for such spaces, as different a ...
in topology
*
K-space (functional analysis) is an F-space such that every twisted sum by the real line splits
*
K-Space (band), a British-Siberian music ensemble
*
K-Space Trivandrum a Indian space technology industrial park
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