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Poincaré sphere
Poincaré sphere may refer to:
Poincaré sphere (optics), a graphical tool for visualizing different types of polarized light
Bloch sphere, a related tool for representing states of a two-level quantum mechanical system
Poincaré homology sphere, in mathematics, an example of a homology sphere
Poincaré disk model A conformal projection of H3 into a sphere
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
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