A characterization of duality through section/projection correspondence in the finite dimensional setting

Vitali D. Milman, Alexander Segal, Boaz A. Slomka

نتاج البحث: نشر في مجلةمقالةمراجعة النظراء

ملخص

In this paper, we show that the well-known duality operation in the context of convex bodies in Rn is completely characterized by its property of interchanging sections with projections. Our results are compared to results by Böröczky-Schneider and Artstein-Milman, who showed that in many cases, the property of order reversing is sufficient to determine a duality operation, up to obvious linear modifications. In fact, we provide another result that recovers a known characterization of duality by the property of order reversing, and up to a mild condition, also a characterization of duality by interchanging sections by projections.

اللغة الأصليةالإنجليزيّة
الصفحات (من إلى)3366-3389
عدد الصفحات24
دوريةJournal of Functional Analysis
مستوى الصوت261
رقم الإصدار11
المعرِّفات الرقمية للأشياء
حالة النشرنُشِر - 1 ديسمبر 2011
منشور خارجيًانعم

ملاحظة ببليوغرافية

Funding Information:
✩ The first and second named authors were partially supported by the ISF grant No. 387/09 and the third named author was partially supported by the ISF grant No. 865/07. * Corresponding author. Fax: +972 77 4220101. E-mail addresses: [email protected] (V.D. Milman), [email protected] (A. Segal), [email protected], [email protected] (B.A. Slomka).

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