孟旭東
含參廣義向量擬均衡問題有效解映射的下半連續(xù)性
孟旭東
(南昌航空大學(xué)科技學(xué)院,江西,南昌 330034)
針對一類含參廣義向量擬均衡問題,在實Hausdorff拓?fù)湎蛄靠臻g中研究了有效解映射的下半連續(xù)性。在錐凹、一致連續(xù)及Hausdorff上半連續(xù)的假設(shè)下,運(yùn)用分析的方法,得到了含參廣義向量擬均衡問題有效解映射下半連續(xù)性定理。
有效解映射;下半連續(xù)性;含參廣義向量擬均衡問題
向量優(yōu)化、向量變分不等式、向量Nash平衡及向量補(bǔ)問題等均是向量均衡問題研究的熱點問題。文獻(xiàn)[1-3]主要討論了向量均衡問題解的存在性。文獻(xiàn)[4-13]重點圍繞向量均衡問題解的穩(wěn)定性進(jìn)行分析,主要研究了解映射的下半連續(xù)性。文獻(xiàn)[4-11]運(yùn)用標(biāo)量化方法、稠密性結(jié)果、凸分析及光滑分析等研究了含參(集值)向量均衡問題各種有效解映射的下半連續(xù)性。在錐凹及一致連續(xù)的條件下,Rabian,Panatda和Pakkapon在文獻(xiàn)[12]中,運(yùn)用標(biāo)量化方法,討論了含參廣義向量均衡問題近似解映射的下半連續(xù)性。在文獻(xiàn)[13]中,Han和Gong得到了含參廣義強(qiáng)向量均衡問題有效解映射下半連續(xù)性定理。
受文獻(xiàn)[12]與文獻(xiàn)[13]思想的啟發(fā),在實Hausdorff拓?fù)湎蛄靠臻g中,研究含參廣義向量擬均衡問題的有效解映射的下半連續(xù)性。通過轉(zhuǎn)化為集值映射在零點下半連續(xù)的方法,給出含參廣義向量擬均衡問題有效解映射下半連續(xù)的最優(yōu)性條件。
其中
為給定集值映射,滿足
定理 假設(shè)以下條件成立:
2.3 不同ADC值下肺結(jié)節(jié)良惡性分布情況 以ADC=1.41×10-3m2/s為臨界值分析肺結(jié)節(jié)良惡性分布情況,結(jié)果顯示,ADC<1.41×103 m2/s惡性病變的發(fā)生例數(shù)明顯高于良性病變,而ADC≥1.41×103 m2/s的良性病變的發(fā)生例數(shù)明顯高于惡性病變,見表3。
及
再由(5)知,
設(shè)
再由(12)與(13)知,
且
取
再由(10)知,
再由(2)、(9)與(16)知,
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LOWER SEMI-CONTIONUITY OF EFFICIENT SOLUTION MAPPING TO PARAMETRIC GENERALIZED VECTOR QUASI-EQUILIBRIUM PROBLEMS
MENG Xu-dong
(Science College of Nanchang Hang kong University,Nanchang, Jiangxi, 330034,China)
The lower semi-continuity of efficient solution mapping to a class of parametric generalized vector quasi-equilibrium problems in real Hausdorff topological vector space is studied.Under the assumption conditions of cone concave,uniformly continuous and Hausdorff upper semi-continuous, the lower semi-continuity theorem for efficient solution mapping to the parametric generalized vector quasi-equilibrium problems is gained by using the method of analysis.
efficient solution mapping; lower semicontionuity; parametric generalized vector quasi-equilibrium problems
O317
A
10.3969/j.issn.1674-8085.2020.05.001
1674-8085(2020)05-0001-04
2020-05-08;
2020-06-15
國家自然科學(xué)基金項目(11201216);江西省教育廳科學(xué)技術(shù)重點研究項目(GJJ181565,GJJ191614);江西省教育廳科學(xué)技術(shù)研究項目(GJJ161597)
孟旭東(1982-),男,江西南昌人,副教授,碩士,主要從事向量均衡與向量優(yōu)化理論研究(E-mail: mxudongm@163.com).