Continuous Steiner-Symmetrization
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Friedemann Brock
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Article
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1995
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John Wiley and Sons
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English
β 810 KB
For nonnegative L-measurable functions u : R" -+ R a continuous homotopy u', 0 < t 5 + co, is constructed, connecting u with its Steinersymmetrization u\*. It is shown that a number of familiar relations between u and u\* including some integral inequalities are also valid for u and u'. The method i