Alotaibi, Abdullah; Combettes, Patrick L.; Shahzad, Naseer Best approximation from the Kuhn-Tucker set of composite monotone inclusions. (English) Zbl 1337.47084 Numer. Funct. Anal. Optim. 36, No. 12, 1513-1532 (2015). MSC: 47J22 47H05 41A50 65K05 41A65 90C25 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Alahmadi, Tagreed S.; Kadelburg, Zoran; Radenović, Stojan; Shahzad, Naseer Strict convexity and de Marr’s theorem in metric spaces. (English) Zbl 1328.54029 Linear Nonlinear Anal. 1, No. 1, 79-87 (2015). MSC: 54H25 41A50 × Cite Format Result Cite Review PDF Full Text: Link
Agarwal, Ravi P.; Bisht, Ravindra K.; Shahzad, Naseer A comparison of various noncommuting conditions in metric fixed point theory and their applications. (English) Zbl 1341.54023 Fixed Point Theory Appl. 2014, Paper No. 38, 33 p. (2014). Reviewer: Zoran Kadelburg (Beograd) MSC: 54H25 41A50 47H10 54-02 × Cite Format Result Cite Review PDF Full Text: DOI
Shahzad, Naseer; Bassindowa, Ghada Fixed point theorems for Suzuki-generalized nonexpansive mappings with applications. (English) Zbl 1252.47060 J. Nonlinear Convex Anal. 13, No. 4, 657-666 (2012). MSC: 47H10 47H09 41A50 × Cite Format Result Cite Review PDF Full Text: Link
Al-Thagafi, M. A.; Shahzad, Naseer Convergence and existence results for best proximity points. (English) Zbl 1197.47067 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 10, 3665-3671 (2009). Reviewer: Ioan A. Rus (Cluj-Napoca) MSC: 47H10 54H25 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Markin, Jack; Shahzad, Naseer Best approximation theorems for nonexpansive and condensing mappings in hyperconvex spaces. (English) Zbl 1163.41005 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 6, 2435-2441 (2009). Reviewer: Costica Mustăţa (Cluj-Napoca) MSC: 41A65 54H25 41A50 47H10 × Cite Format Result Cite Review PDF Full Text: DOI
Al-Thagafi, M. A.; Shahzad, Naseer Best proximity pairs and equilibrium pairs for Kakutani multimaps. (English) Zbl 1225.47056 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 3, 1209-1216 (2009). MSC: 47H04 54H25 91A06 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Al-Thagafi, M. A.; Shahzad, Naseer Generalized \(I\)-nonexpansive selfmaps and invariant approximations. (English) Zbl 1175.41026 Acta Math. Sin., Engl. Ser. 24, No. 5, 867-876 (2008). Reviewer: Roshdi Khalil (Amman) MSC: 41A50 47H10 54H25 × Cite Format Result Cite Review PDF Full Text: DOI
Shahzad, Naseer A best proximity pair theorem. (English) Zbl 1140.41007 Demonstr. Math. 40, No. 4, 869-874 (2007). Reviewer: Costica Mustăţa (Cluj-Napoca) MSC: 41A65 41A50 × Cite Format Result Cite Review PDF
O’Regan, Donal; Shahzad, Naseer Invariant approximations for generalized \(I\)-contractions. (English) Zbl 1084.41023 Numer. Funct. Anal. Optimization 26, No. 4-5, 565-575 (2005). Reviewer: Victor Milman (Minsk) MSC: 41A50 47H10 54H25 × Cite Format Result Cite Review PDF Full Text: DOI
Shahzad, Naseer On \(R\)-subweakly commuting maps and invariant approximations in Banach spaces. (English) Zbl 1074.41023 Georgian Math. J. 12, No. 1, 157-162 (2005). Reviewer: T. D. Narang (Amritsar) MSC: 41A50 × Cite Format Result Cite Review PDF
Shahzad, Naseer Approximation and Leray-Schauder type results for \({\mathcal U}^\kappa_c\) maps. (English) Zbl 1082.47511 Topol. Methods Nonlinear Anal. 24, No. 2, 337-346 (2004). Reviewer: Christian Fenske (Gießen) MSC: 47H10 41A50 54H25 × Cite Format Result Cite Review PDF Full Text: DOI
Shahzad, Naseer Generalized \(I\)-nonexpansive maps and best approximations in Banach spaces. (English) Zbl 1095.41017 Demonstr. Math. 37, No. 3, 597-600 (2004). Reviewer: J. M. Quesada (Jaen) MSC: 41A50 47H10 × Cite Format Result Cite Review PDF Full Text: DOI
Shahzad, Naseer Remarks on invariant approximations. (English) Zbl 1077.41022 Int. J. Math. Game Theory Algebra 13, No. 2, 157-159 (2003). MSC: 41A50 47H10 × Cite Format Result Cite Review PDF
Shahzad, Naseer; Latif, Saadia On random approximations and random fixed point theorems for 1-set-contractive random maps. (English) Zbl 1036.41015 Stochastic Anal. Appl. 21, No. 4, 895-908 (2003). Reviewer: Daniel Wulbert (La Jolla) MSC: 41A50 60H25 47H10 × Cite Format Result Cite Review PDF Full Text: DOI
Shahzad, Naseer Noncommuting maps and best approximations. (English) Zbl 1067.41027 Rad. Mat. 10, No. 1, 77-83 (2001). MSC: 41A50 47H10 54H25 × Cite Format Result Cite Review PDF
Shahzad, Naseer On \(R\)-subcommuting maps and best approximations in Banach spaces. (English) Zbl 0978.41020 Tamkang J. Math. 32, No. 1, 51-53 (2001). Reviewer: H.P.Dikshit (Bhopal) MSC: 41A50 47H10 × Cite Format Result Cite Review PDF
Shahzad, Naseer Invariant approximations and \(R\)-subweakly commuting maps. (English) Zbl 0989.47047 J. Math. Anal. Appl. 257, No. 1, 39-45 (2001). Reviewer: S.L.Singh (Rishikesh) MSC: 47H10 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Shahzad, Naseer Random approximations and random coincidence points of multivalued random maps with stochastic domain. (English) Zbl 0956.60073 N. Z. J. Math. 29, No. 1, 91-96 (2000). MSC: 60H25 41A50 47H40 54H25 47H10 47H04 × Cite Format Result Cite Review PDF
Beg, Ismat; Shahzad, Naseer An application of a random fixed point theorem to random best approximation. (English) Zbl 0956.47023 Arch. Math. 74, No. 4, 298-301 (2000). Reviewer: A.C.Thompson (Halifax) MSC: 47H10 47H40 41A50 60H25 × Cite Format Result Cite Review PDF Full Text: DOI
Shahzad, Naseer A result on best approximation. (English) Zbl 0914.41013 Tamkang J. Math. 29, No. 3, 223-226 (1998); correction ibid. 30, No. 2, 165 (1999). Reviewer: T.D.Narang (Amritsar) MSC: 41A50 × Cite Format Result Cite Review PDF
Beg, Ismat; Shahzad, Naseer On random approximation and coincidence point theorems for multivalued operators. (English) Zbl 0863.47029 Nonlinear Anal., Theory Methods Appl. 26, No. 6, 1035-1041 (1996). Reviewer: M.Biroli (Monza) MSC: 47H04 47J05 47H40 41A50 46B40 × Cite Format Result Cite Review PDF Full Text: DOI
Beg, Ismat; Shahzad, Naseer An application of a fixed point theorem to best simultaneous approximation. (English) Zbl 0815.41023 Approximation Theory Appl. 10, No. 3, 1-4 (1994). Reviewer: S.S.Dragomir (Timişoara) MSC: 41A50 41A28 × Cite Format Result Cite Review PDF
Beg, Ismat; Shahzad, Naseer Random fixed points and approximations in random convex metric spaces. (English) Zbl 0798.47038 J. Appl. Math. Stochastic Anal. 6, No. 3, 237-246 (1993). MSC: 47H10 60H25 54H25 47H05 41A50 × Cite Format Result Cite Review PDF Full Text: DOI EuDML
Beg, I.; Shahzad, N.; Iqbal, M. Fixed point theorems and best approximation in convex metric spaces. (English) Zbl 0769.41032 Approximation Theory Appl. 8, No. 4, 97-105 (1992). MSC: 41A65 41A50 × Cite Format Result Cite Review PDF