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Julia Operators and Coefficient Problems

Autor: James Rovnyak, Kin Yin Li, Gene Christner

Publikováno v: Nonselfadjoint Operators and Related Topics ISBN: 9783034896634

The form of a Julia operator for a given Kreĭn space operator is determined when an invariant subspace and certain factorizations are known. The result is related to contractive triangular operator matrices and the Schur algorithm. In the context of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e353b2c203de007ad52f790360db20a1
https://doi.org/10.1007/978-3-0348-8522-5_6

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On the Coefficients of Riemann Mappings of the Unit Disk into Itself

Autor: Kin Yin Li, James Rovnyak

Publikováno v: Contributions to Operator Theory and its Applications ISBN: 9783034896900

Two methods to construct inequalities are compared and investigated for their potential to characterize initial segments of coefficients. One is based on special function theory as in the proof of the Bieberbach conjecture and its power generalizatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2eaf43406e219eb9a9fd30c53923d734
https://doi.org/10.1007/978-3-0348-8581-2_9

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