共查询到20条相似文献,搜索用时 994 毫秒
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Yehoram Gordon 《Israel Journal of Mathematics》1981,39(1-2):141-144
LetX andY be Banach spaces. TFAE (1)X andY do not contain subspaces uniformly isomorphic to
(2) The local unconditional structure constant of the space of bounded operatorsL (X*k,Y
k) tends to infinity for every increasing sequence
and
of finite-dimensional subspaces ofX andY respectively. 相似文献
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Di He HU Zheng Yan XIAO 《数学学报(英文版)》2007,23(1):41-56
There are two parts in this paper. In the first part we construct the Markov chain in random environment(MCRE), the skew product Markov chain and p-θ^→ chain from a random transition matrix and a two-dimensional probability distribution, and in the second part we prove that the invarianee principle for p-θ^→ chain, a more complex non-homogeneous Markov chain, is true under some reasonable conditions. This result is more powerful. 相似文献
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Hai Sheng Liu 《数学学报(英文版)》2016,32(6):643-658
We present a construction of globally convergent power series of integrable Beltrami differentials on the Ricci-flat \(\partial \overline \partial \)-manifolds and also a construction of global canonical family of holomorphic (n, 0)-forms on the deformation spaces of the Ricci-flat \(\partial \overline \partial \)-manifolds. 相似文献
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Yusuf DANISMAN 《数学年刊B辑(英文版)》2017,38(4):1019-1036
The L-factor of irreducible x1×x2(×)σ defined by Piatetski-Shapiro is computed by using non-split Bessel functional. 相似文献
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We obtain asymptotic equalities for upper bounds of approximations of functions from the class by Poisson biharmonic operators in the uniform metric.
Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 60, No. 5, pp. 669–693, May, 2008. 相似文献
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The integral $$\int_0^{{\pi \mathord{\left/ {\vphantom {\pi 4}} \right. \kern-\nulldelimiterspace} 4}} {\ln \left( {\cos ^{{m \mathord{\left/ {\vphantom {m n}} \right. \kern-\nulldelimiterspace} n}} \theta \pm \sin ^{{m \mathord{\left/ {\vphantom {m n}} \right. \kern-\nulldelimiterspace} n}} \theta } \right)d\theta } $$ where m and n are relatively prime positive integers, is evaluated exactly in terms of elementary functions and the Catalan constant G. 相似文献
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Xiu Gui LIU 《数学学报(英文版)》2007,23(6):1025-1032
Abstract Let A be the mod p Steenrod algebra and S the sphere spectrum localized at p, where p is an odd prime. In 2001 Lin detected a new family in the stable homotopy of spheres which is represented by (b0hn-h1bn-1)∈ ExtA^3,(p^n+p)q(Zp,Zp) in the Adams spectral sequence. At the same time, he proved that i.(hlhn) ∈ExtA^2,(p^n+P)q(H^*M, Zp) is a permanent cycle in the Adams spectral sequence and converges to a nontrivial element ξn∈π(p^n+p)q-2M. In this paper, with Lin's results, we make use of the Adams spectral sequence and the May spectral sequence to detect a new nontrivial family of homotopy elements jj′j^-γsi^-i′ξn in the stable homotopy groups of spheres. The new one is of degree p^nq + sp^2q + spq + (s - 2)q + s - 6 and is represented up to a nonzero scalar by hlhnγ-s in the E2^s+2,*-term of the Adams spectral sequence, where p ≥ 7, q = 2(p - 1), n ≥ 4 and 3 ≤ s 〈 p. 相似文献
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Franco Favilli 《Annali dell'Universita di Ferrara》1980,26(1):61-68
Summary Let Ω⊂⊂C
n
be a pseudo-convex domain with smooth real-analytic boundarybΩ; the local regularity in
of the
is then strictly related not only with the subellipticity of such problem, but also with certain geometric conditions onbΩ: ifn=2 and α is a (0,1)-form, such relations are equivalences.
Lavoro eseguito nell'ambito del G.N.S.A.G.A. del C.N.R. 相似文献
Riassunto Se Ω⊂⊂C n è un dominio pseudo-convesso con frontierabΩ definita da una funzione analitica reale e ?liscia?, la regolarità locale delle soluzioni in del αè in stretta relazione non solo con la subellitticità di tale problema ma anche con certe condizioni geometriche sulla struttura dibΩ: sen=2 ed α è una (0,1)-forma, tali relazioni sono delle equivalenze.
Lavoro eseguito nell'ambito del G.N.S.A.G.A. del C.N.R. 相似文献
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Abstract. We demonstrate that a comprehensive nonstandard set theory can be developed in the standard -language. As an illustration, a nonstandard is obtained.
Received: 17 March 1998 / Revised version: 30 October 1998 相似文献
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Aequationes mathematicae - 相似文献
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