共查询到19条相似文献,搜索用时 46 毫秒
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极小Cayley图的限制性边连通度 总被引:1,自引:0,他引:1
一个连通图X的边集的一个子集C称为一个限制性边割,如果它是一个边割,且X/C不含孤立点。X的限制性边连通度λ′(X)定义为所有限制性边割的最小基数。本文完全决定了极小Cayley图的限制性边连通度。 相似文献
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冀有虎 《高校应用数学学报(A辑)》1999,14(2):235-239
本文利用交错群的Cayley图构作了一类互连网络,进而讨论了它的直径,容错度,容错直径和Hamilton连通性,这些性质表明它优于利用交错群构作的网络AGn,且相似于著名的星形网络。 相似文献
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本文利用点集映射和等价关系得出了完全正则半群的Cayley表示,从而解决了1987年M.Petrich提出的一个公开问题.作为特例,还得到完全单半群的cayley表示. 相似文献
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In this paper,we study the strong law of large numbers for the frequencies of occurrence of states and ordered couples of states for nonsymmetric Markov chain(NSMC) indexed by Cayley tree with any finite states.The asymptotic equipartition properties with almost everywhere(a.e.) convergence for NSMC indexed by Cayley tree are obtained.This article generalizes a recent result. 相似文献
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Guia Medolla 《Monatshefte für Mathematik》1999,127(1):43-53
Let ? be a homogeneous tree, ℒbe the Laplace operator of ?, and b be the bottom of its L
2 spectrum. Let u be a solution of the (modified) wave equation on ?. Using Fourier analysis on ? we show that the energy of u is asymptotically divided into equal potential and kinetic parts.
Received 13 January 1997; in final form 23 March 1998 相似文献
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R. Höpfner 《Probability Theory and Related Fields》1988,77(4):537-550
Summary This paper deals with asymptotic optimal inference in a time-continuous ergodic Markov chain with countable state space, based on observation of the process up to timet. Let the infinitesimal generator depend on an unknown parameter. Under weak assumptions on the parametrization, we show local asymptotic normality for the statistical model ast. As a consequence, limit distributions of sequences of competing estimators for the unknown parameter are more spread out than a specified normal distribution. 相似文献
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Xiangfeng Yang 《Journal of Mathematical Analysis and Applications》2018,457(1):694-721
Let be the probability measures on of suitable Markov processes (possibly with small jumps) depending on a small parameter , where denotes the space of all functions on which are right continuous with left limits. In this paper we investigate asymptotic expansions for the Laplace transforms as for smooth functionals F on . This study not only recovers several well-known results, but more importantly provides new expansions for jump Markov processes. Besides several standard tools such as exponential change of measures and Taylor's expansions, the novelty of the proof is to implement the expectation asymptotic expansions on normal deviations which were recently derived in [13]. 相似文献
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We say that n independent trajectories ξ1(t),…,ξ
n
(t) of a stochastic process ξ(t)on a metric space are asymptotically separated if, for some ɛ > 0, the distance between ξ
i
(t
i
) and ξ
j
(t
j
) is at least ɛ, for some indices i, j and for all large enough t
1,…,t
n
, with probability 1. We prove sufficient conitions for asymptotic separationin terms of the Green function and the transition
function, for a wide class of Markov processes. In particular,if ξ is the diffusion on a Riemannian manifold generated by
the Laplace operator Δ, and the heat kernel p(t, x, y) satisfies the inequality p(t, x, x) ≤ Ct
−ν/2 then n trajectories of ξ are asymptotically separated provided . Moreover, if for some α∈(0, 2)then n trajectories of ξ(α) are asymptotically separated, where ξ(α) is the α-process generated by −(−Δ)α/2.
Received: 10 June 1999 / Revised version: 20 April 2000 / Published online: 14 December 2000
RID="*"
ID="*" Supported by the EPSRC Research Fellowship B/94/AF/1782
RID="**"
ID="**" Partially supported by the EPSRC Visiting Fellowship GR/M61573 相似文献
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We consider a type of Markov property for set-indexed processes which is satisfied by all processes with independent increments and which allows us to introduce a transition system theory leading to the construction of the process. A set-indexed generator is defined such that it completely characterizes the distribution of the process. 相似文献