Absence of the Lavrentiev phenomenon for degenerate parabolic double phase problems

Fuente: arXiv
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Autori principali: Kim, Bogi, Kim, Youngchae, Oh, Jehan
Natura: Preprint
Pubblicazione: 2026
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author Kim, Bogi
Kim, Youngchae
Oh, Jehan
author_facet Kim, Bogi
Kim, Youngchae
Oh, Jehan
contents We establish the absence of the Lavrentiev phenomenon for degenerate parabolic double phase problems. Any finite-energy function in the natural parabolic class admits smooth approximations with convergence in the parabolic Sobolev space and convergence of the corresponding energy. We provide explicit gap bound conditions and derive improved bounds under additional assumptions such as boundedness or stronger time regularity.
format Preprint
id arxiv_https___arxiv_org_abs_2603_14235
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Absence of the Lavrentiev phenomenon for degenerate parabolic double phase problems
Kim, Bogi
Kim, Youngchae
Oh, Jehan
Analysis of PDEs
Functional Analysis
Primary 49N60, Secondary 35K55, 35K65
We establish the absence of the Lavrentiev phenomenon for degenerate parabolic double phase problems. Any finite-energy function in the natural parabolic class admits smooth approximations with convergence in the parabolic Sobolev space and convergence of the corresponding energy. We provide explicit gap bound conditions and derive improved bounds under additional assumptions such as boundedness or stronger time regularity.
title Absence of the Lavrentiev phenomenon for degenerate parabolic double phase problems
topic Analysis of PDEs
Functional Analysis
Primary 49N60, Secondary 35K55, 35K65
url https://arxiv.org/abs/2603.14235