NL repository

-Subject

• 1 2 x 2 operator matrices
• 1 a-Weyl's theorem
• 1 Complex symmetric operators
• 1 Conjugation
• 1 Hyperinvariant subspace
• 1 Hyponormal
• 1 m-Complex symmetric operator
• 1 m-complex symmetric operator
• 1 Nilpotent perturbations
• 1 Rank one perturbation