Transactions of the American Mathematical Society

Author(s): Dinh The Luc; Jean-Paul Penot
Journal: Trans. Amer. Math. Soc. 353 (2001), 4095-4121.
MSC (1991): Primary 54A20
Posted: May 17, 2001
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Abstract: We study convergence properties of asymptotic directions of unbounded sets in normed spaces. The links between the continuity of a set-valued map and the convergence of asymptotic directions are examined. The results are applied to investigate continuity properties of marginal functions and asymptotic directions of level sets.

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Retrieve articles in Transactions of the American Mathematical Society with MSC (1991): 54A20

Dinh The Luc
Affiliation: Département de Mathematiques, Université d'Avignon, Avignon, France - Hanoi Institute of Mathematics, Hanoi, Vietnam
Email: dtluc@univ-avignon.fr

Jean-Paul Penot
Affiliation: Département de Mathématiques, Université de Pau, Pau, France
Email: Jean-Paul.Penot@univ-pau.fr

DOI: 10.1090/S0002-9947-01-02664-2
PII: S 0002-9947(01)02664-2
Keywords: Asymptotic cone, cosmic continuity, marginal function, recession cone, recession function, level set, extreme desirability condition
Received by editor(s): December 27, 1994
Received by editor(s) in revised form: December 27, 1999
Posted: May 17, 2001
Copyright of article: Copyright 2001, American Mathematical Society

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