Kiriakidi Vera Konstantinovna

Publications in Math-Net.Ru

1. An Indefinite Approach to the Reduction of a Nonnegative Hamiltonian Operator Function to a Block Diagonal Form
   
   Funktsional. Anal. i Prilozhen., 35:3 (2001),  73–75
2. Convexity and weak closedness of the image of operator balls under linear-fractional transformations
   
   Mat. Zametki, 67:2 (2000),  302–304