On a Theorem of Aupetit and Zemánek

Rudi Brits; Muhammad Hassen; Francois Schulz

doi:10.1007/s44146-025-00185-7

On a Theorem of Aupetit and Zemánek

Rudi Brits
, Muhammad Hassen
, Francois Schulz

Mathematics and Applied Mathematics

University of Johannesburg

Research output: Contribution to journal › Article › peer-review

Abstract

In this paper, we revisit a classical result of B. Aupetit and J. Zemánek, whose proof could benefit from additional details.

Original language	English
Pages (from-to)	421-427
Number of pages	7
Journal	Acta Scientiarum Mathematicarum
Volume	91
Issue number	3-4
DOIs	https://doi.org/10.1007/s44146-025-00185-7
Publication status	Published - Dec 2025

Keywords

Analytic multivalued function
Banach algebra
Compact operator
Spectrum

ASJC Scopus subject areas

Analysis
Applied Mathematics

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10.1007/s44146-025-00185-7

Cite this

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title = "On a Theorem of Aupetit and Zem{\'a}nek",

abstract = "In this paper, we revisit a classical result of B. Aupetit and J. Zem{\'a}nek, whose proof could benefit from additional details.",

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author = "Rudi Brits and Muhammad Hassen and Francois Schulz",

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AU - Schulz, Francois

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AB - In this paper, we revisit a classical result of B. Aupetit and J. Zemánek, whose proof could benefit from additional details.

KW - Analytic multivalued function

KW - Banach algebra

KW - Compact operator

KW - Spectrum

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On a Theorem of Aupetit and Zemánek

Abstract

Keywords

ASJC Scopus subject areas

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