نتایج جستجو برای: stochastic ordering

تعداد نتایج: 159955  

Journal: :Journal of Business Economics and Management 2006

Journal: :Mathematics 2021

We consider a generalization of Awad–Shannon entropy, namely Awad–Varma introduce stochastic order on residual entropy and study some properties this order, like closure, reversed closure preservation in models (the proportional hazard rate model, the odds model record values model).

2014
R. Zarei M. Amini A. H. Rezaei Roknabadi

The stochastic ordering of random variables is extended to the cases where the available data are imprecise quantities, rather than crisp. To do this, using some elements of fuzzy set theory, we suggest the fuzzy reversed hazard rate and fuzzy mean inactivity time functions and apply them to construct some new fuzzy stochastic orders for ranking fuzzy random variables. In addition, we study the...

2011
Roger Tribe Nicholas Woodward

This paper considers some one dimensional reaction diffusion equations driven by a one dimensional multiplicative white noise. The existence of a stochastic travelling wave solution is established, as well as a sufficient condition to be in its domain of attraction. The arguments use stochastic ordering techniques.

2011
Emmanuel Hyon

To that end, the collaborative action will bring together specialists: of discrete-event systems and stochastic orders on the one hand, and of queueing, networking and manufacturing applications on the other hand. By analyzing several concrete problems which cannot presently be handled by known methods, it is hoped that new proof techniques, presumably based on stochastic ordering concepts, wil...

2014
N. DJELLAB D. AÏSSANI

We propose to use a mathematical method based on stochastic comparisons of Markov chains in order to derive performance indice bounds. The main goal of this paper is to investigate various monotonicity properties of a single server retrial queue with first-come-first-served (FCFS) orbit and general retrial times using the stochastic ordering techniques.

2014
Junghoon Lee Cihan Tepedelenlioğlu Andreas Spanias Martin Reisslein Oliver Kosut

Recently, the location of the nodes in wireless networks has been modeled as point processes. In this dissertation, various scenarios of wireless communications in large-scale networks modeled as point processes are considered. The first part of the dissertation considers signal reception and detection problems with symmetric alpha stable noise which is from an interfering network modeled as a ...

2008
Alexander Vilenkin

The stochastic approach to inflation suffers from ambiguities due to the arbitrary choice of the time variable and due to the choice of the factor ordering in the corresponding Fokker-Planck equation. Here it is shown that both ambiguities can be removed if we require that the factor ordering should be set in such a way that physical results are invariant with respect to time reparametrizations...

Journal: :Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics 1995
Falk

This work approaches human chromosome mapping by developing algorithms for ordering markers associated with radiation hybrid data. Motivated by recent work of Boehnke et al. [1], we formulate the ordering problem by developing stochastic spin models to search for minimum-break marker configurations. As a particular application, the methods developed are applied to 14 human chromosome-21 markers...

Journal: :shiraz journal of system management 0
sara nodoust department of industrial engineering, university of kharazmi, tehran, iran. aboulfazl mirzazadeh department of industrial engineering, university of kharazmi, tehran, iran.

a new mathematical model for the optimal production isformulated for the inventory management system under time-varyingand stochastic inflation environment for deteriorating items. the timehorizon is finite and demand rate is dependent to the inflation. in thereal situation, some but not all customers will wait for backlogged itemsduring a shortage period, such as for fashionable commodities or...

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