A Representation of Projection Lattices and Their States in Euclidean Space |
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Authors: | Bob Coecke |
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Institution: | FUND-DWIS, Free University of Brussels, Pleinlaan 2, B-1050, Brussels, Belgium |
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Abstract: | We propose a representationr : ∪ Ω → ν, where is the collection of closed subspaces of ann-dimensional real, complex, or quaternionic Hilbert space , or equivalently, the projection lattice of this Hilbert space, where Ω is the set of all states ω : → 0, 1]. The value that ω ∈ Ω takes ina ∈ is given by the scalar product of the representative points (r(a) andr(ω)). The representationr(a ∨ b) of the join of two orthogonal elementsa, b ∈ is equal tor(a) + r(b). The convex closure of the representation of Σ, the set of atoms of , is equal to the representation of Ω. |
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