A fibered description of the vector-valued spectrum

For Banach spaces \(X\) and \(Y\) we study the vector-valued spectrum \(\mathcal M_\infty(B_X,B_Y)\), that is the set of non null algebra homomorphisms from \(\mathcal H^\infty(B_X)\) to \(\mathcal H^\infty(B_Y)\), which is naturally projected onto the closed unit ball of \(\mathcal H^\infty(B_Y, X^...

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Veröffentlicht in:arXiv.org 2019-09
Hauptverfasser: Dimant, Verónica, Singer, Joaquín
Format: Artikel
Sprache:eng
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Zusammenfassung:For Banach spaces \(X\) and \(Y\) we study the vector-valued spectrum \(\mathcal M_\infty(B_X,B_Y)\), that is the set of non null algebra homomorphisms from \(\mathcal H^\infty(B_X)\) to \(\mathcal H^\infty(B_Y)\), which is naturally projected onto the closed unit ball of \(\mathcal H^\infty(B_Y, X^{**})\). The aim of this article is to describe the fibers defined by this projection, searching for analytic balls and considering Gleason parts.
ISSN:2331-8422
DOI:10.48550/arxiv.1902.01387