作为Sobolev型常数极限的Cheeger常数
偏微分方程分析
2023-12-25 v2
摘要
设Ω为RN, N≥2中的有界光滑区域。对1<p<N与0<q(p)<p∗:=N−pNp,令 λp,q(p):=inf{∫Ω∣∇u∣pdx:u∈W01,p(Ω) 且 ∫Ω∣u∣q(p)dx=1}. 我们证明若limp→1+q(p)=1,则limp→1+λp,q(p)=h(Ω),其中h(Ω)表示Ω的Cheeger常数。此外,我们研究Lane-Emden方程−div(∣∇w∣p−2∇w)=∣w∣q−2w的正解wp,q(p)当p→1+时的性态。
引用
@article{arxiv.2307.15618,
title = {The Cheeger constant as limit of Sobolev-type constants},
author = {Grey Ercole},
journal= {arXiv preprint arXiv:2307.15618},
year = {2023}
}
备注
16 pages. Typing errors have been corrected, one reference has been added, and the abstract has been slightly modified