@inbook{88004bc3bd9a402d96ae80af985b83bb,
title = "The Poincar{\'e}-Wirtinger Inequality in the Framework of Equalities",
abstract = "The Poincar{\'e}-Wirtinger inequality is studied in the framework of equalities, thereby obtaining a simple and unified approach to the proof, the optimal constant, and the existence of nontrivial extremizers with its characterization.",
keywords = "Poincar{\'e} inequality, Poincar{\'e}-Wirtinger inequality",
author = "Tohru Ozawa and Durvudkhan Suragan",
note = "Publisher Copyright: {\textcopyright} The Author(s), under exclusive license to Springer Nature Switzerland AG 2024.",
year = "2025",
doi = "10.1007/978-3-031-73274-4_18",
language = "English",
series = "Trends in Mathematics",
publisher = "Springer Science and Business Media Deutschland GmbH",
pages = "139--143",
booktitle = "Trends in Mathematics",
address = "Germany",
}