Roofs and Convexity
Armin Uhlmann
Entropy · 2010
doi:10.3390/e12071799 (opens in a new tab)
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Abstract
Convex roof extensions are widely used to create entanglement measures in quantum information theory. The aim of the article is to present some tools which could be helpful for their treatment. Sections 2 and 3 introduce into the subject. It follows descriptions of the Wootters' method, of the "subtraction procedure", and examples on how to use symmetries.
Abstract licence: CC BY
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