Non-existence of polar factorisations and polar inclusion of a vector-valued mapping

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Uniqueness of the polar factorisation and projection of a vector-valued mapping

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Discrimination between low atomic number materials from their characteristic scattering of X-ray radiation

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Characteristic Functions for Ergodic Tuples

Gohm, Rolf; Dey, S., 'Characteristic function for ergodic tuples', Integral Equations and Operator Theory 58(1) pp.43-63 RAE2008