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Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika, 2013, Number 9, Pages 59–63
(Mi ivm8828)
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This article is cited in 9 scientific papers (total in 9 papers)
Brief communications
Families of domains with best possible Hardy constant
F. G. Avkhadiev Chair of Function Theory and Applications, Kazan (Volga Region) Federal University, 18 Kremlyovskaya str., Kazan, 420008 Russia
Abstract:
We geometrically describe families of non-convex plane and space domains in which the basic Hardy inequality is valid with the constant $1/4$. In our constructions we used some new constants depending on the dimension and determined as roots of Lamb type equations and a constant defined by E. B. Davies.
Keywords:
Hardy inequalities, distance function, nonconvex domains, modules of rings.
Received: 13.03.2013
Citation:
F. G. Avkhadiev, “Families of domains with best possible Hardy constant”, Izv. Vyssh. Uchebn. Zaved. Mat., 2013, no. 9, 59–63; Russian Math. (Iz. VUZ), 57:9 (2013), 49–52
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https://www.mathnet.ru/eng/ivm8828 https://www.mathnet.ru/eng/ivm/y2013/i9/p59
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Abstract page: | 395 | Full-text PDF : | 81 | References: | 76 | First page: | 20 |
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