Existence criteria are established for singular boundary value problems for nonlinear second order ordinary and delay differential equations. The theorems obtained are very general and complement previous known results. (C) 1996 Academic Press, Inc.
机构:
Department of Applied Mathematics, Beijing Institute of Technology, BeijingDepartment of Applied Mathematics, Beijing Institute of Technology, Beijing
Ge W.
Mawhin J.
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机构:
Institut de Mathématique, Université Catholique de LouvainDepartment of Applied Mathematics, Beijing Institute of Technology, Beijing
机构:
Cracow Univ Technol, Fac Phys Math & Comp Sci, Ul Warszawska 24, PL-31155 Krakow, PolandCracow Univ Technol, Fac Phys Math & Comp Sci, Ul Warszawska 24, PL-31155 Krakow, Poland