Semigroups versus evolution families in the loewner theory |
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| Authors: | Filippo Bracci Manuel D Contreras Santiago Díaz-Madrigal |
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| Institution: | (1) FB Mathematik und Informatik, Martin-Luther-Universität, D-06099 Halle, Germany |
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| Abstract: | We show that an evolution family of the unit disc is commuting if and only if the associated Herglotz vector field has separated
variables. This is the case if and only if the evolution family comes from a semigroup of holomorphic self-maps of the disc. |
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