This paper obtains three new theorems on the existence and uniqueness of positive fixed points for noncompact decreasing operators. As application, an existence and uniqueness theorem of positive solutions for second order nonlinear integro-differential equation on infinite interval is given.
机构:
Univ Santiago de Compostela, Fac Math, Dept Math Anal, Santiago De Compostela 15782, SpainUniv Santiago de Compostela, Fac Math, Dept Math Anal, Santiago De Compostela 15782, Spain
机构:
College of Applied Mathematics, Shanxi University of Finance and EconomicsCollege of Applied Mathematics, Shanxi University of Finance and Economics
WU YUE-XING
HUO YAN-MEI
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机构:
College of Economics, Shanxi University of Finance and EconomicsCollege of Applied Mathematics, Shanxi University of Finance and Economics