共查询到20条相似文献,搜索用时 15 毫秒
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F.J. Martín-Reyes 《Journal of Mathematical Analysis and Applications》2010,368(2):469-481
Let T be a positive invertible linear operator with positive inverse on some Lp(μ), 1?p<∞, where μ is a σ-finite measure. We study the convergence in the Lp(μ)-norm and the almost everywhere convergence of the bilinear operators
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A mean ergodic theorem for resolvent operators 总被引:1,自引:0,他引:1
Carlos Lizama 《Semigroup Forum》1993,47(1):227-230
Let {R(t)}
t≥0
be a uniformly bounded strongly continuous resolvent operator for the Volterra equation of convolution typeu=g+k*Au, whereA is a closed and densely defined operator on a Banach spaceX andk is a scalar kernel. We show that
whenX is reflexive and that the average given by {R(t)}
t≥0
andk converges on the closed subspace
to a bounded projection.
This work was partially supported by DICYT 92-33LY and FONDECYT 91-0471 相似文献
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Generalizing a result of Veech, [14] Theorem 1.1.5 and answering a question, [14], 1.4 we prove the existence of certain well distributed sequences in topological semigroups having a countable dense subset. 相似文献
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《Annales de l'Institut Henri Poincaré (B) Probabilités et Statistiques》1997,33(6):797-815
We consider the question of uniform convergence in the multiplicative ergodic theorem
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Ping-Kwan Tam 《Applied Mathematics Letters》1999,12(8):207-64
A mean ergodic theorem for a matrix is first proved from which a mean ergodic theorem for affine operators on a vector space without any topological structure is obtained. 相似文献
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We prove that for a ?ν-action on a torus as a group of affine transformations all the ergodic averages exist if and only if all the eigenvalues of the automorphism parts of all the affine transformations are roots of unity. 相似文献
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Communicated by Rainer Nagel 相似文献
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A generalization of the mean ergodic theorem in banach spaces 总被引:1,自引:0,他引:1
Lee Jones 《Probability Theory and Related Fields》1973,27(2):105-107
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We prove theL
2 convergence for an ergodic average of a product of functions evaluated along polynomial times in a totally ergodic system.
For each set of polynomials, we show that there is a particular factor, which is an inverse limit of nilsystems, that controls
the limit behavior of the average. For a general system, we prove the convergence for certain families of polynomials.
Dedicated to Hillel Furstenberg upon his retirement
The second author was partially supported by NSF grant DMS-0244994. 相似文献
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