Found 25 Documents (Results 1–25)
Variational analysis of paraconvex multifunctions. (English) Zbl 1532.90142
Reviewer: Paulo Mbunga (Kiel)
Paraconvexity and continuous selections. (English) Zbl 1376.54020
Reviewer: Takamitsu Yamauchi (Matsuyama)
On paraconvexity in spaces of summable mappings. (English) Zbl 1301.54036
Reviewer: María Muñoz Guillermo (Cartagena)
Selections, paraconvexity and PF-normality. (English) Zbl 1297.54042
Reviewer: Takamitsu Yamauchi (Matsuyama)
Paraconvex, but not strongly, Takagi functions. (English) Zbl 1318.26024
MSC:
26A51
Selections for paraconvex-valued mappings on non-paracompact domains. (English) Zbl 1232.54024
Reviewer: Takamitsu Yamauchi (Matsue)
On continuous choice of retractions onto nonconvex subsets. (English) Zbl 1195.54044
Reviewer: Ludvík Janoš (Claremont)
Generalized approximate midconvexity. (English) Zbl 1301.52002
MSC:
52A01
Takagi functions and approximate midconvexity. (English) Zbl 1188.26008
Reviewer: Marcia Federson (São Paulo)
MSC:
26A51
Approximately convex functions and approximately monotonic operators. (English) Zbl 1113.26011
Reviewer: Tomasz Zgraja (Bielsko-Biała)
MSC:
26A51
Weakly convex sets and functions. Theory and applications. (Слабо выпуклые множества и функции. Теория и приложения.) (Russian) Zbl 1171.26006
Moskva: Fizmatlit (ISBN 5-9221-0738-0/hbk). 351 p. (2006).
Reviewer: Do Van Luu (Hanoi)
A minimax theorem for functions with possibly nonconnected intersections of sublevel sets. (English) Zbl 1104.49009
Reviewer: S. L. Singh (Rishikesh)
Continuous selections of multivalued mappings. (English) Zbl 1039.54013
Hušek, Miroslav (ed.) et al., Recent progress in general topology II. Based on the Prague topological symposium, Prague, Czech Republic, August 19–25, 2001. Amsterdam: Elsevier (ISBN 0-444-50980-1/hbk). 423-461 (2002).
Reviewer: Wlodzimierz Ślȩzak (Bydgoszcz)
On strong approximations of usc nonconvex-valued mappings. (English) Zbl 1021.54020
Reviewer: Wlodzimierz Ślȩzak (Bydgoszcz)
On nonconvexity of graphs of polynomials of several real variables. (English) Zbl 0916.54013
Reviewer: Wlodzimierz Ślȩzak (Bydgoszcz)
A selection theorem for mappings with nonconvex nondecomposable values in \(L_p\)-spaces. (English) Zbl 0893.54012
Reviewer: W.Ślȩzak (Bydgoszcz)
Selections of graphvalued maps. (English) Zbl 0805.54022
MSC:
54C65
Generalized convexity and concavity of the optimal value function in nonlinear programming. (English) Zbl 0643.90071
Reviewer: J.-E.Martinez-Legaz
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