2 papers
math.FA2026
Singular inner eigenfunctions of composition operators
V. A. Anjali, P. Muthukumar, P. Shankar
This paper characterizes all the singular inner eigenfunctions of the composition operators that arise from discrete measures, when is an automorphism of unit disk. By es…
math.FA2024
Composition operators between Beurling subspaces of Hardy space
V. A. Anjali, P. Muthukumar, P. Shankar
V. Matache (J. Operator Theory 73(1):243--264, 2015) raised an open problem about characterizing composition operators on the Hardy space and nonzero singular measures…