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排序方式: 共有257条查询结果,搜索用时 31 毫秒
1.
2.
Zheng Liu 《Applied mathematics and computation》2011,218(4):1389-1398
A generalization of the corrected averaged midpoint-trapezoid rule is derived. Various error bounds for this generalization are established. 相似文献
3.
It is a well-known fact that in some economic environments, non-bossiness and monotonicity are interrelated. In this paper, we have presented a new domain-richness condition called weak monotonic closedness, on which non-bossiness in conjunction with individual monotonicity is equivalent to monotonicity. Moreover, by applying our main result to several types of economies, we have obtained characterizations in terms of non-bossiness. 相似文献
4.
The aim of the present paper is to study the semimartingale property of continuous time moving averages driven by Lévy processes. We provide necessary and sufficient conditions on the kernel for the moving average to be a semimartingale in the natural filtration of the Lévy process, and when this is the case we also provide a useful representation. Assuming that the driving Lévy process is of unbounded variation, we show that the moving average is a semimartingale if and only if the kernel is absolutely continuous with a density satisfying an integrability condition. 相似文献
5.
Lech Maligranda Volodymyr V. Mykhaylyuk 《Journal of Mathematical Analysis and Applications》2011,375(2):401-411
A negative solution of Problem 188 posed by Max Eidelheit in the Scottish Book concerning superpositions of separately absolutely continuous functions is presented. We discuss here this and some related problems which have also negative solutions. Finally, we give an explanation of such negative answers from the “embeddings of Banach spaces” point of view. 相似文献
6.
??In this paper, we prove the existence and uniqueness of solutions
for reflected backward stochastic differential equations driven by a
Levy process, in which the reflecting barriers are just right
continuous with left limits whose jumps are arbitrary. To derive the
above results, the monotonic limit theorem of Backward SDE
associated with Levy process is established. 相似文献
7.
The time discretization in classes of integro‐differential equations with completely monotonic kernels: Weighted asymptotic convergence 下载免费PDF全文
Da Xu 《Numerical Methods for Partial Differential Equations》2016,32(3):896-935
We consider the time discretization for the solution of the equation with . Here, the operators Lj are densely defined positive self‐adjoint linear operator on a Hilbert space H and have spectral decompositions with respect to a common resolution of the identity in H . The kernel functions , are assumed to be completely monotonic on (0,∞) and locally integrable, but not constant. The considered time discretization method comes from [Da Xu, Science China Mathematics 56 (2013), 395–424], where the backward Euler method is combined with order one convolution quadrature for approximating the integral term. In this article, the convergence properties of the time discretization are given in the weighted and norm, where ρ is a given weighted function. Numerical experiments show the theoretical results. © 2015 Wiley Periodicals, Inc. Numer Methods Partial Differential Eq 32: 896–935, 2016 相似文献
8.
In this paper we prove an abstract version of Pietsch's domination theorem which unify a number of known Pietsch-type domination theorems for classes of mappings that generalize the ideal of absolutely p-summing linear operators. A final result shows that Pietsch-type dominations are totally free from algebraic conditions, such as linearity, multilinearity, etc. 相似文献
9.
Horst Behncke 《Mathematische Nachrichten》2010,283(11):1558-1574
This paper extends the results of the two previous papers in several directions. For one we allow slower decay of the coefficients, but higher order differentiability. For this an expansion for the diagonalizing transformations is derived. Secondly unbounded coefficients are permitted. This requires further transformations in order to achieve Levinson's form, but also a modification with the usual M‐matrix approach. While the standard results carry over to weakly singular coefficients, very singular coefficients will generally lead to discrete spectra (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim) 相似文献
10.
利用重合度理论中的延拓定理,获得了一类具有脉冲效应和单调功能反应的时滞捕食系统正周期解存在性的充分条件.最后,通过列举三个例子表示我们等待结果的有效性. 相似文献