Electron. J. Differential Equations, Vol. 2026 (2026), No. 65, pp. 1-18.

Generalization of the chord Sobolev inequality for Orlicz spaces

Yuke Li, Wentao Guo

Abstract:
The relationship between the classical chord power integrals and radial mean bodies, as well as the classical chord Sobolev inequalities, have already been established. This article extends the concepts of chord power integrals and chord Sobolev inequalities to the Orlicz space framework. We provide the definitions of the Orlicz chord power integrals and the Orlicz radial mean bodies, and we establish their equivalence. We prove the Orlicz chord Sobolev inequality for two distinct cases: \(0<\alphan\).

Submitted April 28, 2026. Published September 3, 2026.
Math Subject Classifications: 26D20, 46E30.
Key Words: Orlicz function; Orlicz chord power integral; Orlicz radial mean body; Orlicz chord Sobolev inequality.
DOI: 10.58997/ejde.2026.65

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Yuke Li
School of Mathematics and Statistics
Chongqing Technology and Business University
Chongqing, 400067, China
email: liyuke1@ctbu.edu.cn
Wentao Guo
School of Mathematics and Statistics
Chongqing Technology and Business University
Chongqing, 400067, China
email: guowentao@ctbu.edu.cn

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