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| Critical Trace Trudinger-Moser Inequalities on a Compact Riemann Surface with Smooth Boundary* |
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Citation： |
Mengjie ZHANG.Critical Trace Trudinger-Moser Inequalities on a Compact Riemann Surface with Smooth Boundary*[J].Chinese Annals of Mathematics B,2022,43(3):425~442 |
| Page view： 536
Net amount： 587 |
Authors： |
Mengjie ZHANG; |
Foundation： |
Outstanding Innovative Talents Cultivation Funded Programs 2020 of Renmin University of China. |
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| Abstract： |
In this paper, the author concerns two trace Trudinger-Moser inequalities and obtains the corresponding extremal functions on a compact Riemann surface (Σ, g) with smooth boundary ?Σ. Explicitly, let λ1(?Σ) = inf u∈W1,2 (Σ,g),R ?Σ udsg=0,u6≡0 R Σ(|?gu|2 + u2 )dvg R ?Σ u2 dsg and H = n u ∈ W1,2 (Σ, g) : Z Σ(|?gu|2 + u2 )dvg ? α Z ?Σ u2dsg ≤ 1 and Z ?Σ u dsg = 0o ,where W1,2 (Σ, g) denotes the usual Sobolev space and ?g stands for the gradient operator.By the method of blow-up analysis, we obtain sup u∈H Z ?Σ e πu2 dsg ( < +∞, 0 ≤ α < λ1(?Σ),= +∞, α ≥ λ1(?Σ).Moreover, the author proves the above supremum is attained by a function uα ∈ H∩C∞(Σ)for any 0 ≤ α < λ1(?Σ). Further, he extends the result to the case of higher order eigenvalues. The results generalize those of [Li, Y. and Liu, P., Moser-Trudinger inequality on the boundary of compact Riemannian surface, Math. Z., 250, 2005, 363–386], [Yang,Y., Moser-Trudinger trace inequalities on a compact Riemannian surface with boundary,Pacific J. Math., 227, 2006, 177–200] and [Yang, Y., Extremal functions for TrudingerMoser inequalities of Adimurthi-Druet type in dimension two, J. Diff. Eq., 258, 2015,3161–3193] |
Keywords： |
Trudinger-Moser inequality, Riemann surface, Blow-up analysis, Extremal function |
Classification： |
46E35, 58J05, 58J32 |
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