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Formalization of Separable Version of Banach–Alaoglu Theorem Cover

Formalization of Separable Version of Banach–Alaoglu Theorem

Open Access
|Dec 2025

Abstract

In this article, we first formalize the weak sequential compactness in dual normed spaces; then we prove the separable version of Banach– Alaoglu theorem.

DOI: https://doi.org/10.2478/forma-2025-0018 | Journal eISSN: 1898-9934 | Journal ISSN: 1426-2630
Language: English
Page range: 231 - 236
Submitted on: Sep 22, 2025
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Accepted on: Dec 21, 2025
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Published on: Dec 31, 2025
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2025 Hiroyuki Okazaki, Takehiko Mieno, published by University of Białystok
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 License.