• Curvature Calculations Of The Operators In Cowen-Douglas Class 

      Deb, Prahllad (2014-03-03)
      In a foundational paper “Operators Possesing an Open Set of Eigenvalues” written several decades ago, Cowen and Douglas showed that an operator T on a Hilbert space ‘H possessing an open set Ω C of eigenvalues determines ...