کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10427165 | 908650 | 2005 | 18 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Global solution branches for p-Laplacian boundary value problems
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
We study global continua of positive solutions of the boundary value problem -Îpu=λ(1+uq) in a bounded smooth domain ΩâRn with zero Dirichlet boundary conditions. For subcritical q we show that an unbounded continuum of positive solutions exists with the property that for every λâ(0,λ*) at least two solutions exist but for λ>λ* no solution exists. In contrast we show for supercritical q that uniqueness holds for small positive λ. We prove our multiplicity result via a topological degree argument and a priori bounds combining recent results of Brock (Proc. Indian Acad. Sci. Math. Sci. 110 (2000) 157-204; Continuous rearrangement and symmetry of solutions of elliptic problems, Habilitation Thesis, Leipzig, 1998, 129 pp.), Damascelli and Pacella (Ann. Scuola Norm. Sup. Pisa Cl. Sci. 26 (1998) 689-707) and Serrin and Zou (Acta Math. 189 (2002) 79-142). The uniqueness result for supercritical q is proven by a Pohožaev-type identity and a new weighted Poincaré inequality of Fleckinger and TakaÄ (Adv. Differential Equations (7) (2002) 951-971).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nonlinear Analysis: Theory, Methods & Applications - Volume 62, Issue 1, 1 July 2005, Pages 53-70
Journal: Nonlinear Analysis: Theory, Methods & Applications - Volume 62, Issue 1, 1 July 2005, Pages 53-70
نویسندگان
J. Fleckinger, W. Reichel,