
A bounded linear operator on a Hilbert space is said to be hyponormal if its selfcommutator \(A^*A-AA^*\) is positive semidefinite. The author proves that if \(f(z)=a_mz^m+a_Nz^N\), \(g(z)=a_{-m}z^m+a_{-N}z^N\), where \(0
hyponormal operator, Toeplitz operator, Toeplitz operators, Hankel operators, Wiener-Hopf operators, Bergman space, Subnormal operators, hyponormal operators, etc., Hilbert spaces of continuous, differentiable or analytic functions
hyponormal operator, Toeplitz operator, Toeplitz operators, Hankel operators, Wiener-Hopf operators, Bergman space, Subnormal operators, hyponormal operators, etc., Hilbert spaces of continuous, differentiable or analytic functions
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