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Compactly locally uniformly convex functions. (English) Zbl 07928055

Summary: We introduce compactly locally uniformly convex functions and present their properties, as well as their relations with other classes of convex functions.

MSC:

26B25 Convexity of real functions of several variables, generalizations
46G05 Derivatives of functions in infinite-dimensional spaces
49N15 Duality theory (optimization)
58C20 Differentiation theory (Gateaux, Fréchet, etc.) on manifolds
46B20 Geometry and structure of normed linear spaces
54C50 Topology of special sets defined by functions

References:

[1] D. Azé, J.-P. Penot: Uniformly convex and uniformly smooth convex functions, Ann. Fac. Sci. Toulouse Math. (6) 4/4 (1995) 705-730. · Zbl 0870.49010
[2] J. Banaś: On drop property and nearly uniformly smooth Banach spaces, Nonlinear Analysis 14/11 (1990) 927-933. · Zbl 0734.46005
[3] J. Banaś, K. Fraczek: Locally nearly uniformly smooth Banach spaces, Collect. Math. 44/1-3 (1993) 13-22. · Zbl 0817.46015
[4] J. Banaś, M. Mursaleen: Sequence Spaces and Measures of Noncompactness with Applications to Differential and Integral Equations, Springer, New Delhi (2014). · Zbl 1323.47001
[5] J. Banaś, K. Sadarangani: Compactness conditions and strong subdifferentiability of a norm in geometry of Banach spaces, Nonlinear Analysis 49/5 (2002) 623-629. · Zbl 1007.46018
[6] J. Borwein, A. J. Guirao, P. Hájek, J. Vanderwerff: Uniformly convex functions on Banach spaces, Proc. Amer. Math. Soc. 137/3 (2009) 1081-1091. · Zbl 1184.52009
[7] J. Borwein, A. S. Lewis: Strong rotundity and optimization, SIAM J. Optim. 4/1 (1994) 146-158. · Zbl 0808.46022
[8] J. M. Borwein, J. D. Vanderwerff: Convex Functions: Constructions, Characteriza-tions and Counterexamples, Cambridge University Press, Cambridge (2010). · Zbl 1191.26001
[9] A. K. Chakrabarty, P. Shunmugaraj, C. Zălinescu: Continuity properties for the sub-differential and ϵ-subdifferential of a convex function and its conjugate, J. Convex Analysis 14/3 (2007) 479-514. · Zbl 1157.49024
[10] F. Deutsch, J. M. Lambert: On continuity of metric projections, J. Approx. Theory 29/2 (1980) 116-131. · Zbl 0514.41034
[11] S. J. Dilworth, D. Kutzarova, N. Lovasoa Randrianarivony, J. P. Revalski, N. V. Zhiv-kov: Compactly uniformly convex spaces and property (β) of Rolewicz, J. Math. Analysis Appl. 402/1 (2013) 297-307. · Zbl 1276.46006
[12] A. L. Dontchev, T. Zolezzi:Well-Posed Optimization Problems, Springer, Berlin (1993). · Zbl 0797.49001
[13] S. Dutta, P. Shunmugaraj: Weakly compactly LUR Banach spaces, J. Math. Analysis Appl. 458/2 (2018) 1203-1213. · Zbl 1391.46023
[14] K. Fan, I. Glicksberg: Some geometric properties of the spheres in a normed linear space, Duke Math. J. 25 (1958) 553-568. · Zbl 0084.33101
[15] A. J. Guirao, V. Montesinos: A note in approximative compactness and continuity of metric projections in Banach spaces, J. Convex Analysis 18/2 (2011) 397-401. · Zbl 1219.46019
[16] R. E. Megginson: An Introduction to Banach Space Theory, Springer, New York (1998). · Zbl 0910.46008
[17] V. Montesinos: Drop property equals reflexivity, Studia Math. 87/1 (1987) 93-100. · Zbl 0652.46009
[18] B. B. Panda, O. P. Kapoor: A generalization of local uniform convexity of the norm, J. Math. Analysis Appl. 52/2 (1975) 300-308. · Zbl 0314.46014
[19] J. P. Revalski, N. V. Zhivkov: Best approximation problems in compactly uniformly rotund spaces, J. Convex Analysis 19/4 (2012) 1153-1166. · Zbl 1276.41029
[20] S. Rolewicz: On drop property, Studia Math. 85/1 (1987) 27-35. · Zbl 0642.46011
[21] P. Shunmugaraj: Convergence of slices, geometric aspects in Banach spaces and proximinality, in: Nonlinear Analysis, Trends in Mathematics, Birkhäuser/Springer, New Delhi (2014) 61-107. · Zbl 1331.46012
[22] P. Shunmugaraj, V. Thota: Some geometric and proximinality properties in Banach spaces, J. Convex Analysis 25/4 (2018) 1139-1158. · Zbl 1409.46010
[23] M. A. Smith: Some examples concerning rotundity in Banach spaces, Math. Ann. 233/2 (1978) 155-161. · Zbl 0391.46014
[24] L. P. Vlasov: Čebyšev sets and approximately convex sets, Mat. Zam. 2 (1967) 191-200.
[25] L. P. Vlasov: Approximative properties of sets in normed linear spaces, Uspehi Mat. Nauk 28/6 (1973) 3-66; English translation in Russ. Math. Surv. 28/6 (1973) 1-66. · Zbl 0293.41031
[26] C. Zălinescu: On uniformly convex functions, J. Math. Analysis Appl. 95/2 (1983) 344-374. · Zbl 0519.49010
[27] C. Zălinescu: Convex Analysis in General Vector Spaces, World Scientific, River Edge (2002). · Zbl 1023.46003
[28] Z. Zhang, C. Liu, Y. Zhou: Some examples concerning proximinality in Banach spaces, J. Approx. Theory 200 (2015) 136-143. · Zbl 1327.41011
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