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期刊=Acta Mathematica Scientia

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SOME NECESSARY AND SUFFICIENT CONDITIONS FOR EXISTENCE OF POSITIVE SOLUTIONS FOR THIRD ORDER SINGULAR SUBLINEAR MULTI-POINT BOUNDARY VALUE PROBLEMS被引量：5: 《Acta Mathematica Scientia》2014年第6期1795-1810,共16页韦忠礼; supported by the National Science Foundation of Shandong Province(ZR2009AM004); We mainly study the existence of positive solutions for the following third order singular multi-point boundary value problem{x^（3）（t）＋ f（t, x（t）, x′（t）） = 0, 0 〈 t 〈 1,x（0）-∑i=1^m1 αi x（ξi） = 0...; 关键词：boundary value problems positive solutions lower and upper solutions comparison theorem

OSCILLATORY BEHAVIOR OF SOLUTIONS OF CERTAIN THIRD ORDER MIXED NEUTRAL DIFFERENCE EQUATIONS被引量：1: 《Acta Mathematica Scientia》2013年第1期218-226,共9页E.THANDAPANI N.KAVITHA; The objective of this paper is to study the oscillatory and asymptotic properties of the mixed type third order neutral difference equation of the form△（an△^2（xn＋bnxn-τ1＋cnxn＋τ2））＋qnx^βn＋1-σ1＋pnx^^βn...; 关键词：OSCILLATION third order mixed type neutral difference equation

OSCILLATORY BEHAVIOUR OF A CLASS OF NONLINEAR DIFFERENTIAL EQUATIONS OF THIRD ORDER被引量：10: 《Acta Mathematica Scientia》2001年第2期182-188,共7页A. Tiryaki Department of Mathematics, Gazi University Faculty of Arts and Sciences Teknik Okullar, 06500 Ankara, Turkey S. (Yaman) Pasinlio■u Department of Mathematics, Hacettepe University, 06532 Beytepe, Ankara, Turkey; This paper investigates the oscillatory and nonoscillatory behaviour of solu- tions of a class of third order nonlinear differential equations. Results extend and improve some known results in the literature.; 关键词：Oscillatory solution nonoscillatory solution behaviour of solution nonlinear differential equation

OSCILLATORY AND ASYMPTOTIC BEHMIOUR OF A CLASS OF NONLINEAR DIFFERENTIALEQUATIONS OF THIRD ORDER被引量：2: 《Acta Mathematica Scientia》1998年第1期95-106,共12页N. Parhi P. Das(Department of Mathematics, Berhampur University, Bechampur-760007, India); This paper deals with oscillatory /nonoscillatory behaviour of solutions of thirdorder nonlinear differential equations of the formwhere a,b,c E C([a,oo),R) such that a(t) does not change sign, b(t) 5 0, c(t) > 0,f∈C...; 关键词：Oscillatory solution nonoscillatory solution behaviour of solution nonlinear differential equation

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