Zhang, Zihou; Zhou, Yu; Liu, Chunyan; Zhou, Jing Some equivalent conditions of proximinality in nonreflexive Banach spaces. (English) Zbl 1513.46032 Acta Math. Sci., Ser. B, Engl. Ed. 42, No. 4, 1621-1630 (2022). MSC: 46B20 41A65 PDFBibTeX XMLCite \textit{Z. Zhang} et al., Acta Math. Sci., Ser. B, Engl. Ed. 42, No. 4, 1621--1630 (2022; Zbl 1513.46032) Full Text: DOI
Zhang, Zihou; Montesinos, Vicente; Liu, Chunyan Some metric and topological properties of nearly strongly and nearly very convex spaces. (English) Zbl 1499.46044 Acta Math. Sci., Ser. B, Engl. Ed. 40, No. 2, 369-378 (2020). MSC: 46B20 41A65 PDFBibTeX XMLCite \textit{Z. Zhang} et al., Acta Math. Sci., Ser. B, Engl. Ed. 40, No. 2, 369--378 (2020; Zbl 1499.46044) Full Text: DOI
Zhang, Z. H.; Montesinos, Vicente; Liu, C. Y.; Gong, W. Z. Geometric properties and continuity of the pre-duality mapping in Banach space. (English) Zbl 1337.46013 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 109, No. 2, 407-416 (2015). MSC: 46B20 46E30 PDFBibTeX XMLCite \textit{Z. H. Zhang} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 109, No. 2, 407--416 (2015; Zbl 1337.46013) Full Text: DOI Link
Zhang, Z. H.; Liu, C. Y. Convexity and proximinality in Banach space. (English) Zbl 1241.46011 J. Funct. Spaces Appl. 2012, Article ID 724120, 11 p. (2012). MSC: 46B20 41A65 PDFBibTeX XMLCite \textit{Z. H. Zhang} and \textit{C. Y. Liu}, J. Funct. Spaces Appl. 2012, Article ID 724120, 11 p. (2012; Zbl 1241.46011) Full Text: DOI
Zhang, Z. H.; Liu, C. Y. Convexities and existence of the farthest point. (English) Zbl 1241.46010 Abstr. Appl. Anal. 2011, Article ID 139597, 9 p. (2011). MSC: 46B20 PDFBibTeX XMLCite \textit{Z. H. Zhang} and \textit{C. Y. Liu}, Abstr. Appl. Anal. 2011, Article ID 139597, 9 p. (2011; Zbl 1241.46010) Full Text: DOI
Zhang, Z. H.; Liu, C. Y. Some generalizations of locally and weakly locally uniformly convex space. (English) Zbl 1232.46016 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 12, 3896-3902 (2011). MSC: 46B20 41A65 PDFBibTeX XMLCite \textit{Z. H. Zhang} and \textit{C. Y. Liu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 12, 3896--3902 (2011; Zbl 1232.46016) Full Text: DOI
Zhang, Zihou; Shi, Zhongrui Convexities and approximative compactness and continuity of metric projection in Banach spaces. (English) Zbl 1190.46018 J. Approx. Theory 161, No. 2, 802-812 (2009). Reviewer: Costica Mustăţa (Cluj-Napoca) MSC: 46B20 41A65 PDFBibTeX XMLCite \textit{Z. Zhang} and \textit{Z. Shi}, J. Approx. Theory 161, No. 2, 802--812 (2009; Zbl 1190.46018) Full Text: DOI