5 citations · 5 across the 1 of their papers we have counts for
2 papers
math.FA2017
Similarity between two projections
Albrecht Boettcher, Barry Simon, Ilya Spitkovsky
Given two orthogonal projections P and Q, we are interested in all unitary operators U such that UP=QU and UQ=PU. Such unitaries U have previously been constructed by Wang, Du, and…
math.FA2006★ 5 cited
Generalized Krein algebras and asymptotics of Toeplitz determinants
Albrecht Böttcher, Alexei Karlovich, Bernd Silbermann
We give a survey on generalized Krein algebras and their applications to Toeplitz determinants. Our methods originated in a paper by Mark Krein of 1966, where he sh…