Correction to "An index formula for chains" (Studia Math. 116 (1995), 283-294)
Correction to "Method od orthogonal projections and approximation of the spectrum of a bounded operator" Studia Math. 65 (1979), 21-29
Corrections to “Radial limits in co-invariant subspaces"
Corrigendum and addendum: "On the axiomatic theory of spectrum II"
The main purpose of this paper is to correct the proof of Theorem 15 of [4], concerned with the stability of the class of quasi-Fredholm operators under finite rank perturbations, and to answer some open questions raised there.
Corrigendum to: Asymptotic expansion in time of the Schrödinger group on conical manifolds
We correct an error in the normalizing constant of resonant states.
Corrigendum to “On the spectral bound of the generator of a -semigroup” (Studia Math. 125 (1997), 23-33)
Some statements of the paper [4] are corrected.
Corrigendum to "On the spectral multiplicity of a direct sum of operators" (Colloq. Math. 104 (2006), 105-112)
Corrigendum to the paper: “A remark on the weighted averages for superadditive processes”.
Counting and convergence in ergodic theory
Courte démonstration du théorème ergodique sur-additif
Critical points of convex perturbations of some indefinite quadratic forms and semi-linear boundary value problems at resonance
Cryptohermitian picture of scattering using quasilocal metric operators.
Cyclic behavior of linear fractional composition operators.
Cyclic Blaschke products for composition operators.
Cyclicity of the adjoint of weighted composition operators on the Hilbert space of analytic functions
In this paper, we discuss the hypercyclicity, supercyclicity and cyclicity of the adjoint of a weighted composition operator on a Hilbert space of analytic functions.