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Behaviour of holomorphic automorphisms on equicontinuous subsets of the space
Authors:J. M. Isidro
Affiliation:Departamento de Análisis Matemático, Facultad de Matemáticas, Universidad de Santiago, Santiago de Compostela, Spain
Abstract:Consider a compact Hausdorff topological space $Omega $, a $text{JB}^{ast }$-triple $E$ and $F: = {mathcal{C}}(Omega , , E)$, the $text{JB}^{ast }$-triple of all continuous $E$-valued functions $fcolon Omega to E$ with the pointwise operations and the norm of the supremum. Let ${mathsf{G}}$ be the group of all holomorphic automorphisms of the unit ball $B_{F}$ of $F$ that map every equicontinuous subset lying strictly inside $B_{F}$ into another such a set. The real Banach-Lie group ${mathsf{G}}$ and its Lie algebra are investigated. The identity connected component of ${mathsf{G}}$ is identified when $E$ has the strong Banach-Stone property. This extends to the infinite dimensional setting a well known result concerning the case $E={mathbb{C}}$.

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