Randomly Weighted Series of Contractions in Hilbert Spaces.
Regularized functional calculi, semigroups, and cosine functions for pseudodifferential operators.
Relative Inverses of Meromorphic Operator Functions and Associated Holomorphic Projection Function.
Remarks on Kato's square-root problem.
Representation generated by a finite number of Hilbert space operators
Resolvent kernel for the Kohn Laplacian on Heisenberg groups.
Roots of positive and negative operators on Wachs spaces