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Published in 2019 at "Acta Mathematica Hungarica"
DOI: 10.1007/s10474-018-00908-z
Abstract: We present a general extension theorem for representable positive linear functionals defined on a *-subalgebra of an arbitrary *-algebra. The case of pure positive functionals is an improvement of the results from some previous works…
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Keywords:
banach algebras;
positive functionals;
representable extensions;
extensions positive ... See more keywords