In dictionaries:
Complex projective space
In mathematics, complex projective space is the projective space with respect to the field of complex numbers.
projective Hilbert space
The quotient of a Hilbert space by an equivalence relation which considers a pair of vectors equivalent iff they differ only by a factor which is a complex number.
Real projective space
In mathematics, real projective space, denoted or is the topological space of lines passing through the origin 0 in the real space
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