most citedA description of all solutions of the matrix Hamburger moment problem in a general case

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math.FA2009★ 7 cited

On a J-polar decomposition of a bounded operator and matrix representations of J-symmetric, J-skew-symmetric operators

Sergey M. Zagorodnyuk

In this work a possibility of a decomposition of a bounded operator which acts in a Hilbert space as a product of a J-unitary and a J-self-adjoint operators is studied, is…