Ansari, Qamrul Hasan; Sharma, Pradeep Kumar Ekeland type variational principle for set-valued maps in quasi-metric spaces with applications. (English) Zbl 1472.49035 J. Nonlinear Convex Anal. 20, No. 8, 1683-1700 (2019). MSC: 49J53 49J52 90C29 90C48 54C60 54E40 PDFBibTeX XMLCite \textit{Q. H. Ansari} and \textit{P. K. Sharma}, J. Nonlinear Convex Anal. 20, No. 8, 1683--1700 (2019; Zbl 1472.49035) Full Text: Link
Ansari, Q. H.; Farajzadeh, A. P.; Schaible, S. Existence of solutions of strong vector equilibrium problems. (English) Zbl 1238.49014 Taiwanese J. Math. 16, No. 1, 165-178 (2012). MSC: 49J40 PDFBibTeX XMLCite \textit{Q. H. Ansari} et al., Taiwanese J. Math. 16, No. 1, 165--178 (2012; Zbl 1238.49014) Full Text: DOI Link
Ceng, Lu-Chuan; Ansari, Qamrul Hasan; Yao, Jen-Chih On generalized vector mixed variational-like inequalities with complete semicontinuity. (English) Zbl 1264.49003 Dyn. Contin. Discrete Impuls. Syst., Ser. B, Appl. Algorithms 18, No. 6, 727-747 (2011). MSC: 49J40 49J53 49J45 47J20 90C29 PDFBibTeX XMLCite \textit{L.-C. Ceng} et al., Dyn. Contin. Discrete Impuls. Syst., Ser. B, Appl. Algorithms 18, No. 6, 727--747 (2011; Zbl 1264.49003) Full Text: Link
Al-Homidan, S.; Ansari, Q. H.; Yao, J.-C. Collectively fixed-point and maximal element theorems in topological semilattice spaces. (English) Zbl 1225.49012 Appl. Anal. 90, No. 5-6, 865-888 (2011). MSC: 49J40 47H10 90C29 47J20 91A10 PDFBibTeX XMLCite \textit{S. Al-Homidan} et al., Appl. Anal. 90, No. 5--6, 865--888 (2011; Zbl 1225.49012) Full Text: DOI
Al-Homidan, S.; Ansari, Q. H. Quasi-equilibrium problems with lower and upper bounds in ordered topological spaces. (English) Zbl 1196.49005 J. Nonlinear Convex Anal. 11, No. 2, 345-355 (2010). MSC: 49J40 47J20 47H06 49J53 PDFBibTeX XMLCite \textit{S. Al-Homidan} and \textit{Q. H. Ansari}, J. Nonlinear Convex Anal. 11, No. 2, 345--355 (2010; Zbl 1196.49005)
Lin, L. J.; Ansari, Q. H.; Wu, J. Y. Geometric properties and coincidence theorems with applications to generalized vector equilibrium problems. (English) Zbl 1063.90062 J. Optimization Theory Appl. 117, No. 1, 121-137 (2003). Reviewer: Swapan Das Gupta (Halifax) MSC: 90C47 47N10 91B50 PDFBibTeX XMLCite \textit{L. J. Lin} et al., J. Optim. Theory Appl. 117, No. 1, 121--137 (2003; Zbl 1063.90062) Full Text: DOI
Siddiqi, A. H.; Ansari, Q. H. An iterative method for generalized variational inequalities. (English) Zbl 0671.49007 Math. Jap. 34, No. 3, 475-481 (1989). Reviewer: A.L.Dontchev MSC: 49J40 47H10 PDFBibTeX XMLCite \textit{A. H. Siddiqi} and \textit{Q. H. Ansari}, Math. Japon. 34, No. 3, 475--481 (1989; Zbl 0671.49007)