Strobin, Filip Porosity of convex nowhere dense subsets of normed linear spaces. (English) Zbl 1192.46020 Abstr. Appl. Anal. 2009, Article ID 243604, 11 p. (2009). Summary: This paper is devoted to the following question: how to characterize convex nowhere dense subsets of normed linear spaces in terms of porosity? The motivation for this study originates from papers of V. Olevskii and L. Zajíček, where it is shown that convex nowhere dense subsets of normed linear spaces are porous in some strong senses. Cited in 3 Documents MSC: 46B99 Normed linear spaces and Banach spaces; Banach lattices Keywords:nowhere dense subsets; porosity × Cite Format Result Cite Review PDF Full Text: DOI EuDML References: [1] F. S. De Blasi and J. Myjak, “Sur la porosité de l/ensemble des contractions sans point fixe,” Comptes Rendus de l/Académie des Sciences Paris, vol. 308, no. 2, pp. 51-54, 1989. · Zbl 0657.47053 [2] S. Reich, “Genericity and porosity in nonlinear analysis and optimization,” in Proceedings of the Computer Methods and Systems (CMS /05), pp. 9–15, Cracow, Poland, November 2005, ESI preprint 1756. [3] L. Zají\vcek, “Porosity and \sigma -porosity,” Real Analysis Exchange, vol. 13, no. 2, pp. 314-350, 1987-1988. · Zbl 0666.26003 [4] L. Zají\vcek, “On \sigma -porous sets in abstract spaces,” Abstract and Applied Analysis, vol. 2005, no. 5, pp. 509-534, 2005, Proceedings of the International Workshop on Small Sets in Analysis, E. Matou, S. Reich and A. Zaslavski, Eds., Hindawi Publishing Corporation, New York, NY, USA. · Zbl 1098.28003 · doi:10.1155/AAA.2005.509 [5] V. Olevskii, “A note on the Banach-Steinhaus theorem,” Real Analysis Exchange, vol. 17, no. 1, pp. 399-401, 1991-1992. [6] F. Strobin, “A comparison of two notions of porosity,” Commentationes Mathematicae, vol. 48, no. 2, pp. 209-219, 2008. · Zbl 1181.46017 [7] D. Preiss and L. Zají\vcek, “Stronger estimates of smallness of sets of Fréchet nondifferentiability of convex functions,” Rendiconti del Circolo Matematico di Palermo, Serie II, no. 3, supplement, pp. 219-223, 1984. · Zbl 0547.46026 [8] W. Rudin, Functional Analysis, International Series in Pure and Applied Mathematics, McGraw-Hill, New York, NY, USA, 2nd edition, 1991. · Zbl 0867.46001 [9] J. Duda, “On the size of the set of points where the metric projection exists,” Israel Journal of Mathematics, vol. 140, pp. 271-283, 2004. · Zbl 1067.46015 · doi:10.1007/BF02786636 [10] P. Habala, P. Hájek, and V. Zizler, An Introduction to Banach Space Theory, vol. 1, MatFiz Press, University of Karlovy, Prague, Czech Republic, 1996. · Zbl 0904.46001 [11] R. R. Phelps, Convex Functions, Monotone Operators and Differentiability, vol. 1364 of Lecture Notes in Mathematics, Springer, Berlin, Germany, 1989. · Zbl 0658.46035 This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. In some cases that data have been complemented/enhanced by data from zbMATH Open. This attempts to reflect the references listed in the original paper as accurately as possible without claiming completeness or a perfect matching.