12 citations · 22 across the 3 of their papers we have counts for
3 papers
math.CV2005
Extremal Non-Compactness of Composition Operators with Linear Fractional Symbol
Estelle L. Basor, Dylan Q. Retsek
We realize norms of most composition operators acting on the Hardy space with linear fractional symbol as roots of hypergeometric functions. This realization leads to simple necess…
math.FA2005★ 12 cited
On the asymptotics of certain Wiener-Hopf-plus-Hankel determinants
Estelle L. Basor, Torsten Ehrhardt
In this paper we determine the asymptotics of the determinants of truncated Wiener-Hopf plus Hankel operators as tends to infinity for symbols $a(x)=(x…
math.FA2004★ 10 cited
Factorization of a class of Toeplitz + hankel operators and the A_p-condition
Estelle L. Basor, Torsten Ehrhardt
Let be the Toeplitz plus Hankel operator acting on $H^p(\T)$ with generating function $ϕ\in L^\iy(\T)$. In a previous paper we proved that is invertible if…