(linear algebra) A particular type of factorisation of a matrix into a product of three matrices, of which the second is a diagonal matrix that has as the entries on its diagonal the singular values of the original matrix.

plural of singular value decomposition

(computer science) A technique that can reduce the runtime of an algorithm by a factor of √ (where n is the size of the input) by dividing the input into √ chunks and performing operations on whole chunks when possible.

plural of Białynicki-Birula decomposition

(algebraic geometry) A T-stable cellular decomposition of a smooth T-variety.

The property of being decompositional, or proceeding by decomposition.

In terms of, or by means of, decomposition.