On the Perturbation of the Reduced Minimum Modulus of Bounded Linear Operators
Let X and Y be two Banach spaces, and let T:X→Y be a bounded linear operator. We study the perturbation problem of the reduced minimum modulus of T, and in particular we correct a mistake in a recent paper.
Applied Mathematics and Computation
(2003). On the Perturbation of the Reduced Minimum Modulus of Bounded Linear Operators. Applied Mathematics and Computation, 140(1), 69-75.
Available at: https://aquila.usm.edu/fac_pubs/3229