Single Mueller matrix description of the propagation of degree of polarisation in a uniformly anisotropic single-mode optical fibre

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Bu fy mywyd yn un diliw o hapus: them?u yn Atgofion John Gwilym Jones

Morgan, M. (2004). Bu fy mywyd yn un diliw o hapus: them?u yn Atgofion John Gwilym Jones. Y Traethodydd. 159, pp.235-251.

A probabilistic index for completely positive maps and an application

Gohm, Rolf, (2003) 'A probabilistic index for completely positive maps and an application', Journal of Operator Theory 54(2) pp.339-361 RAE2008