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Radially symmetric plurisubharmonic functions

Tom 106 / 2012

Per Åhag, Rafał Czyż, Leif Persson Annales Polonici Mathematici 106 (2012), 1-17 MSC: Primary 32U05, 32W20; Secondary 31B05. DOI: 10.4064/ap106-0-1

Streszczenie

In this note we consider radially symmetric plurisubharmonic functions and the complex Monge–Ampère operator. We prove among other things a complete characterization of unitary invariant measures for which there exists a solution of the complex Monge–Ampère equation in the set of radially symmetric plurisubharmonic functions. Furthermore, we prove in contrast to the general case that the complex Monge–Ampère operator is continuous on the set of radially symmetric plurisubharmonic functions. Finally we characterize radially symmetric plurisubharmonic functions among the subharmonic ones using merely the laplacian.

Autorzy

  • Per ÅhagDepartment of Mathematics
    and Mathematical Statistics
    Umeå University
    SE-901 87 Umeå, Sweden
    e-mail
  • Rafał CzyżFaculty of Mathematics
    and Computer Science
    Jagiellonian University
    Łojasiewicza 6
    30-348 Kraków, Poland
    e-mail
  • Leif PerssonDepartment of Mathematics and Mathematical Statistics
    Umeå University
    SE-901 87 Umeå, Sweden
    e-mail

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