Found 12 Documents (Results 1–12)
Equivalence after extension and Schur coupling for relatively regular operators. (English) Zbl 1501.47027
Reviewer: Oleksiy Karlovych (Lisboa)
Equivalence after extension and Schur coupling do not coincide on essentially incomparable Banach spaces. (English) Zbl 1508.47026
Equivalence after extension and Schur coupling coincide for inessential operators. (English) Zbl 1436.47003
Reviewer: Luis Filipe Pinheiro de Castro (Aveiro)
Diffraction from polygonal-conical screens, an operator approach. (English) Zbl 1322.78008
Bastos, M. Amélia (ed.) et al., Operator theory, operator algebras and applications. Selected papers based on the presentations at the workshop WOAT 2012, Lisbon, Portugal, September 11–14, 2012. Basel: Birkhäuser/Springer (ISBN 978-3-0348-0815-6/hbk; 978-3-0348-0816-3/ebook). Operator Theory: Advances and Applications 242, 113-137 (2014).
Schur coupling and related equivalence relations for operators on a Hilbert space. (English) Zbl 1311.47004
Reviewer: Vladimir V. Peller (East Lansing)
Equivalence after extension and matricial coupling coincide with Schur coupling, on separable Hilbert spaces. (English) Zbl 1297.47005
Reviewer: Alexei Yu. Karlovich (Lisboa)
Invertibility criteria for Wiener-Hopf plus Hankel operators with different almost periodic Fourier symbol matrices. (English) Zbl 1282.47037
Reviewer: Alexei Yu. Karlovich (Lisboa)
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