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Arithmetic, geometric and harmonic mean for accretive-dissipative matrices
Lowner order Arithmetic Geometric and Harmonic mean Accretivedissipative matrix
2012/6/15
The concept of L\"{o}wner (partial) order for general complex matrices is introduced. After giving the definition of arithmetic, geometric and harmonic mean for accretive-dissipative matrices, we stud...
Quasihomogeneous Toeplitz operators on the harmonic Bergman space
Toeplitz operator harmonic Bergman space quasihomogeneous symbol Mellin transform
2011/9/15
Abstract: In this paper we study the product of Toeplitz operators on the harmonic Bergman space of the unit disk of the complex plane C. Mainly, we discuss when the product of two quasihomogeneous To...