20 citations · 50 across the 20 of their papers we have counts for
Showing 2018 · math.FAShow all
2 papers · 2 filters
math.FA2018★ 6 cited
A Toeplitz-like operator with rational symbol having poles on the unit circle II: the spectrum
G. J. Groenewald, S. ter Horst, J. Jaftha +1
This paper is a continuation of our study of a class of Toeplitz-like operators with a rational symbol which has a pole on the unit circle. A description of the spectrum and its va…
math.FA2018★ 5 cited
A Toeplitz-like operator with rational symbol having poles on the unit circle I: Fredholm properties
G. J. Groenewald, S. ter Horst, J. Jaftha +1
In this paper a definition is given for an unbounded Toeplitz-like operator with rational symbol which has poles on the unit circle. It is shown that the operator is Fredholm if an…