Spectral Theory and Applications of Linear Operators and Block Operator Matrices

Denseness, Bases and Frames in Banach Spaces and Applications

Denseness, Bases and Frames in Banach Spaces and Applications

Linear Operators and Their Essential Pseudospectra

Perturbation Theory for Linear Operators: Denseness and Bases with Applications

Topological Fixed-Point Theory in Suitable Banach Algebras with Applications

Spectral Theory of Multivalued Linear Operators