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Coincidence Point and Common Fixed Point Theorems on b-Metric-like Spaces
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作者 LUO Ting 《应用数学》 北大核心 2025年第3期831-840,共10页
In this paper,we establish common fixed point theorems for expansive map?pings on b-metric-like space and coincidence point for f-weakly isotone increasing mappings in partially ordered b-metric-like space.The main re... In this paper,we establish common fixed point theorems for expansive map?pings on b-metric-like space and coincidence point for f-weakly isotone increasing mappings in partially ordered b-metric-like space.The main results generalize and extend several well-known comparable results from the existing literature.Moreover,some examples are provided to illustrate the main results. 展开更多
关键词 b-metric-like space Partially ordered b-metric-like space Expansive mapping f-weakly isotone mapping Coincidence point Common fixed point
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A mixed stochastic user equilibrium model considering influence of advanced traveller information systems in degradable transport network 被引量:4
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作者 程琳 楼小明 +1 位作者 周静 马捷 《Journal of Central South University》 SCIE EI CAS CSCD 2018年第5期1182-1194,共13页
Advanced traveler information systems (ATIS) can not only improve drivers' accessibility to the more accurate route travel time information, but also can improve drivers' adaptability to the stochastic network cap... Advanced traveler information systems (ATIS) can not only improve drivers' accessibility to the more accurate route travel time information, but also can improve drivers' adaptability to the stochastic network capacity degradations. In this paper, a mixed stochastic user equilibrium model was proposed to describe the interactive route choice behaviors between ATIS equipped and unequipped drivers on a degradable transport network. In the proposed model the information accessibility of equipped drivers was reflected by lower degree of uncertainty in their stochastic equilibrium flow distributions, and their behavioral adaptability was captured by multiple equilibrium behaviors over the stochastic network state set. The mixed equilibrium model was formulated as a fixed point problem defined in the mixed route flows, and its solution was achieved by executing an iterative algorithm. Numerical experiments were provided to verify the properties of the mixed network equilibrium model and the efficiency of the iterative algorithm. 展开更多
关键词 mixed stochastic user equilibrium model degradable transport network advanced traveler information systems (ATIS) drivers' behavioral adaptability multiple equilibrium behaviors fixed point problem
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Bessel算子的非线性扰动 被引量:3
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作者 杨振德 《郑州大学学报(理学版)》 CAS 1987年第2期9-13,19,共6页
对于非线性Sturm——Liouvitte问题,近年来有不少研究工作,并得到了许多好的结果。例如常型的见[1],奇型的见[4],且可用于孤子的研究。本文研究一端带奇型的有界区间上的非线性特征值问题: Ly=-(d/(dx))[x((dy)/(dx))]+[m^2/x-q(x,y,y′... 对于非线性Sturm——Liouvitte问题,近年来有不少研究工作,并得到了许多好的结果。例如常型的见[1],奇型的见[4],且可用于孤子的研究。本文研究一端带奇型的有界区间上的非线性特征值问题: Ly=-(d/(dx))[x((dy)/(dx))]+[m^2/x-q(x,y,y′)]=λxy。 y(x)∈L_2(o,a),(a>o)。 (1) 其中m≥2,q(x,y,y′)∈[o,a]×R×R上的实连续函数,q(x,y,y′)/x有界。当(1)中g≡o时,它可产生Bessee函数。且(?)+g(x,y,y′)/x]存在。 展开更多
关键词 Nonlinear perturbation fixed point principle Prior estimation
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A Note on Haigh’s Algorithm
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作者 Pan Jiezheng(Northeast Agricultural University, Harbin 1 50030, P R C) 《Journal of Northeast Agricultural University(English Edition)》 CAS 1995年第1期75-78,共4页
Haigh's algorithm is a fundamental method for searching ESSs of linear ESS-models. In this paper ESSs are characterized by submatrices of the pay-oof matrix. Then Haigh's algorithm has been improved in the fo... Haigh's algorithm is a fundamental method for searching ESSs of linear ESS-models. In this paper ESSs are characterized by submatrices of the pay-oof matrix. Then Haigh's algorithm has been improved in the following aspects: 1) Some ESSs may be overlooked when Haigh's algorithm is used for searching ESSs. The improved algorithm eliminates this shortage. 2) The improved algorithm is especially favourable to computers. It is valid when the pay-off matrix is stable. 展开更多
关键词 pay-off matrix MATRIX fixed point
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