- invariant functional
- инвариантный функционал
English-Russian electronics dictionary .
English-Russian electronics dictionary .
Invariant subspace problem — In the field of mathematics known as functional analysis, one of the most prominent open problems is the invariant subspace problem, sometimes optimistically known as the invariant subspace conjecture. It is the question whether the following… … Wikipedia
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Yamabe invariant — In mathematics, in the field of differential geometry, the Yamabe invariant (also referred to as the sigma constant) is a real number invariant associated to a smooth manifold that is preserved under diffeomorphisms. It was first written down… … Wikipedia
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Compression (functional analysis) — In functional analysis, the compression of a linear operator T on a Hilbert space to a subspace K is the operator where is the orthogonal projection onto K. This is a natural way to obtain an operator on K from an operator on the whole Hilbert… … Wikipedia