For q > 0 let A denote the unital ∗-algebra with generator x and defining relation xx* = qx*x. Based on this algebra we study q-normal operators and the complex q-moment problem. Among other things, ...
This is a preview. Log in through your library . This monthly journal, begun in 1950, is devoted entirely to research in pure and applied mathematics, principally to the publication of original papers ...
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