10 resultados para Uniform ergodicity

em Bulgarian Digital Mathematics Library at IMI-BAS


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2000 Mathematics Subject Classification: 60J45, 60K25

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2000 Mathematics Subject Classification: 60G52, 90B30.

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It is proved in [1],[2] that in odd dimensional spaces any uniform decay of the local energy implies that it must decay exponentially. We extend this to even dimensional spaces and to more general perturbations (including the transmission problem) showing that any uniform decay of the local energy implies that it must decay like O(t^(−2n) ), t ≫ 1 being the time and n being the space dimension.

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* Supported by grants: AV ĈR 101-95-02, GAĈR 201-94-0069 (Czech Republic) and NSERC 7926 (Canada).

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* This work was supported by National Science Foundation grant DMS 9404431.

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2000 Mathematics Subject Classification: 44A15, 44A35, 46E30

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2000 Mathematics Subject Classification: 47H10, 54E15.

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2000 Mathematics Subject Classification: 60J27, 60K25.

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2000 Mathematics Subject Classification: Primary 46H05, 46H20; Secondary 46M20.

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2000 Mathematics Subject Classification: 46B20.