نتایج جستجو برای: condition index
تعداد نتایج: 695560 فیلتر نتایج به سال:
There has been significant progress in our understanding of Free Choice any and of -ever free relatives in recent years. Very often, however, the investigation of these two Free Choice Items (FCI) in English has been conducted in parallel. One of the aims of this paper is to bring the two strands together in a way that can account for commonalities and differences between them and, perhaps, a t...
We extend Dolgopyat’s bounds on iterated transfer operators to suspensions of interval maps with infinitely many intervals of monotonicity. 1. Statement of results Let 0 < c1 < . . . < cm < cm+1 < . . . < 1 be a finite or countable partition of I = [0, 1] into subintervals, and let T : I → I be so that T |(cm,cm+1) is C and extends to a homeomorphism from [cm, cm+1] to I. We assume that T is pi...
We investigate the convergence in distribution of sequential empirical processes of dependent data indexed by a class of functions F . Our technique is suitable for processes that satisfy a multiple mixing condition on a space of functions which differs from the class F . This situation occurs in the case of data arising from dynamical systems or Markov chains, for which the Perron–Frobenius or...
This paper analyses the velocity isotropy of Parallel Mechanism with Actuation Redundancy. The limits of classical indexes based on the Jacobean matrix condition number are shown. Two new indexes are proposed, and the ways to compute them efficiently are given. In section 2, some basic issues related to condition number are firstly recalled and one of its important limitations is pointed out wh...
PURPOSE Judo is a complex sport where different anthropological parameters determine performance. Judo, as a sport is not well known in India. There is evident lack of data concerning the anthropological determinants of judo players. This study was conducted to determine the anthropometric profile and Special Judo Fitness levels of judokas. METHODS This cross sectional study was conducted on ...
We consider a sequence of Markov chains (X)n=1,2,... with X = (X σ )σ∈T , indexed by the full binary tree T = T0 ∪ T1 ∪ . . . , where Tk is the k-th generation of T . In addition, let (Σk)k=0,1,2,... be a random walk on T with Σk ∈ Tk and R̃ = (R̃ t )t≥0 with R̃ t := XΣ[tn] , arising by observing the Markov chain X n along the random walk. We present a law of large numbers concerning the empirical...
BACKGROUND Despite differences in body shape and adiposity characteristics according to sex and age, a single range of healthy weight [body mass index (BMI, kg/m(2)) of 18.5-24.9) regardless of sex and age has been recommended. The aim of the study is to examine whether the association between BMI and all-cause mortality varies by sex and age, and, if relevant, to estimate sex-age-specific opti...
BACKGROUND Parents and teachers involvement reinforce health promotion programs for children's health. OBJECTIVES The purpose of this study was to evaluate mothers' lifestyle behavior and its association with children's oral health. MATERIALS AND METHODS The study was a cross sectional study on 383 children and their mothers who were selected from 6 primary schools in Tehran, Iran. Mothers ...
We consider continuous-state branching (CB) processes which become extinct (i.e., hit 0) with positive probability. We characterize all the quasi-stationary distributions (QSD) for the CB-process as a stochastically monotone family indexed by a real number. We prove that the minimal element of this family is the so-called Yaglom quasi-stationary distribution, that is, the limit of one-dimension...
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