Isometries on positive operators of unit norm

DOI10.5486/PMD.2013.5396zbMath1100.68055OpenAlexW2334032893MaRDI QIDQ5478057

Benedek Nagy

Publication date: 5 October 2006

Published in: Publicationes Mathematicae Debrecen (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.5486/pmd.2013.5396

zbMATH Keywords

regular expressionsfinite automatondirected graphsregular languagesunion-free languages

Mathematics Subject Classification ID

Formal languages and automata (68Q45)

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