English Projection-valued measure Cited by user Roffaduft on 31 May 2024 In mathematics, particularly in functional analysis, a projection-valued measure (or spectral measure) is a function defined on certain subsets of a fixed set and whose…
English Projective Hilbert space Cited by user Roffaduft on 25 Nov 2023 In mathematics and the foundations of quantum mechanics, the projective Hilbert space or ray space are also referred to as rays or projective rays.
English Projective Hilbert space Cited by user Fropuff on 16 Jan 2018 In mathematics and the foundations of quantum mechanics, the projective Hilbert space or ray space are also referred to as rays or projective rays.