نتایج جستجو برای: universal index

تعداد نتایج: 498751  

2003
Partha Sarathi Chakraborty

The universal C*-algebra generated by n projections has been described. As an immediate corollary one obtains structure theorem for a pair of projections and the solution to an associated index problem. This puts the study of a pair of projections in the proper perspective of noncommutative geometry. keyword: Index problem, crossed product, Fredholm module, pair of projections. MSC 46L87.

2002
Wataru Souma

We report empirical studies on the personal income distribution, and clarify that the distribution pattern of the lognormal with power law tail is the universal structure. We analyze the temporal change of Pareto index and Gibrat index to investigate the change of the inequality of the income distribution. In addition some mathematical models which are proposed to explain the power law distribu...

Journal: :IEEE Trans. Information Theory 1993
Neri Merhav

A universal decoding procedure is proposed for memoryless Gaussian channels with deterministic interfering signals from a certain class. The universality of the proposed decoder is in the sense of W i g independent of the channel parameters and the unknown interfering signal, and at the same time attaining the same random coding e m r exponent as the optimal maximum likelihood (ML) decoder, whi...

2015
Masahito Hayashi

We propose a universal channel coding when each output distribution forms an exponential family even in a continuous output system. We propose two types of universal codes; One has the exponentially decreasing error with explicit a lower bound for the error exponent. The other attains the ǫ-capacity up to the second order. Our encoder is the same as the previous paper [CMP 289, 1087]. For our d...

2005
F. Ren B. Zheng H. Lin L. Y. Wen S. Trimper

We present a relatively detailed analysis of the persistence probability distributions in financial dynamics. Compared with the auto-correlation function , the persistence probability distributions describe dynamic correlations non-local in time. Universal and non-universal behaviors of the German DAX and Shanghai Index are analyzed, and numerical simulations of some microscopic models are also...

حسن‌زاده, جعفر, عشرتی, بابک, محمد صالحی, نرگس, محمدبیگی, ابوالفضل,

Background and Objectives: Inequity in health is a universal term which used for showing current differences, variations and inequalities of people in access to health. But inequality in health refers to some inequities which seems are unfair or caused by some errors and biases. The current study aimed to describe some of the common health related inequity measures to be useful for the inequity...

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