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一类Caputo型分数阶微分方程边值问题多重正解存在的充分条件
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作者 于洋 葛琦 《延边大学学报(自然科学版)》 CAS 2023年第2期95-101,共7页
研究了一类非线性项带有分数阶导数的Caputo型分数阶微分方程的边值问题.首先,将方程转化为等价的积分方程;其次,通过计算得到了与该方程相应的格林函数,并且分析了所得的格林函数的性质;最后,利用格林函数的性质以及Guo-Krasnosel’ski... 研究了一类非线性项带有分数阶导数的Caputo型分数阶微分方程的边值问题.首先,将方程转化为等价的积分方程;其次,通过计算得到了与该方程相应的格林函数,并且分析了所得的格林函数的性质;最后,利用格林函数的性质以及Guo-Krasnosel’skii不动点定理和Leggett-Williams不动点定理得到了该边值问题分别存在1个正解和3个正解的充分条件. 展开更多
关键词 Caputo型分数阶微分方程 格林函数 Guo-Krasnosel’skii不动点定理 LEGGETT-WILLIAMS不动点定理 边值问题 多重正解
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ALGORITHMS FOR A SYSTEM OF GENERALIZED MIXED EQUILIBRIUM PROBLEMS AND A COUNTABLE FAMILY OF SOME NONLINEAR MULTI-VALUED NONEXPANSIVE-TYPE MAPS
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作者 Ogonnaya Michael ROMANUS Ukamaka Victoria NNYABA Monday Ogudu NNAKWE 《Acta Mathematica Scientia》 SCIE CSCD 2018年第6期1805-1820,共16页
In this paper, relaxed iterative algorithms of Krasnoselskii-type and Halpern-type that approximate a solution of a system of a generalized mixed equilibrium problem anda common fixed point of a countable family of to... In this paper, relaxed iterative algorithms of Krasnoselskii-type and Halpern-type that approximate a solution of a system of a generalized mixed equilibrium problem anda common fixed point of a countable family of totally quasi-C-asymptotically nonexpansivemulti-valued maps are constructed. Strong convergence of the sequence generated by thesealgorithms is proved in uniformly smooth and strictly convex real Banach spaces with Kadec-Klee property. Furthermore, several applications of our theorems are also presented. Finally,our theorems are significant improvements on several important recent results for this classof nonlinear problems. 展开更多
关键词 Halpern-type algorithm krasnoselskii-type algorithm system of generalizedmixed equilibrium problems totally quasi-C-asymptotically nonexpansive multi-valued maps equally continuous maps
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PN空间上的重合点定理与Krasnoselskii型不动点定理
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作者 杨志林 《贵州大学学报(自然科学版)》 1994年第3期148-152,共5页
在本文中,PN空间中的重合点定理与Krasnoselskii型不动点定理被证明,它们是Banach空间某些结果的推广.
关键词 PN空间 重合点 不动点定理
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