Authors: | Stević, Stevo Ueki, Sei Ichiro |

Affiliations: | Mathematical Institute of the Serbian Academy of Sciences and Arts |

Title: | Isometries of a Bergman-Privalov-type space on the unit ball |

Journal: | Discrete Dynamics in Nature and Society |

Volume: | 2009 |

Issue Date: | 1-Dec-2009 |

Rank: | M21 |

ISSN: | 1026-0226 |

DOI: | 10.1155/2009/725860 |

Abstract: | We introduce a new space ANlog,a(B) consisting of all holomorphic functions on the unit ball B C Cn such that ||f|| ANlog,a:= ∫ JBe(ln(1 + \f(z)\))dVa(z) < ∞ where α > -1, dVa(z) = ca,n(1 - z 2)a dV(z) (dV(z) is the normalized Lebesgue volume measure on B and ca,n is a normalization constant, that is, Va(B) = 1), ande{t) = tln(e + t) for t ∈ [0,∞). Some basic properties of this space are presented. Among other results we proved that ANlog,a(B) with the metric d(f,g) = \\f - g\\AN log,a is an F-algebra with respect to pointwise addition and multiplication. We also prove that every linear isometry T of AN loga(B) into itself has the form Tf = c(f oψ) for some c ∈ B such that |c| = 1 and some ψ which is a holomorphic self-map of Bdbl; satisfying a measure-preserving property with respect to the measure dVa. As a consequence of this result we obtain a complete characterization of all linear bijective isometries of AN loga(B). |

Publisher: | Hindawi |

Project: | Grant-in-Aid for Young Scientists (Start-up; no. 20840004) |

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