نتایج جستجو برای: scaling function

تعداد نتایج: 1276960  

2008
Kim Christensen Nadia Farid Gunnar Pruessner Matthew Stapleton

We derive general properties of the finite-size scaling of probability density functions and show that when the apparent exponent τ̃ of a probability density is less than 1, the associated finite-size scaling ansatz has a scaling exponent τ equal to 1, provided that the fraction of events in the universal scaling part of the probability density function is non-vanishing in the thermodynamic limi...

2003
C. Richard A. J. Guttmann

Exactly solvable models of planar polygons, weighted by perimeter and area, have deepened our understanding of the critical behaviour of polygon models in recent years. Based on these results, we derive a conjecture for the exact form of the critical scaling function for planar self-avoiding polygons. The validity of this conjecture was recently tested numerically using exact enumeration data f...

2014
Aviv Tamar Shie Mannor Huan Xu

We consider large-scale Markov decision processes (MDPs) with parameter uncertainty, under the robust MDP paradigm. Previous studies showed that robust MDPs, based on a minimax approach to handling uncertainty, can be solved using dynamic programming for small to medium sized problems. However, due to the “curse of dimensionality”, MDPs that model real-life problems are typically prohibitively ...

2008
Davide Fioravanti Paolo Grinza

We describe a procedure which aims at determining, for all the values of the coupling constant, all the generalised scaling functions arising in the high spin limit for long operators in the sl(2) sector of N = 4 SYM. All the relevant information is encoded in infinite linear systems, each easily connected with the previous ones. Therefore, the solution may be written in a recursive form and th...

2013
Hermann Cuntz Friedrich Forstner Bettina Schnell Georg Ammer Shamprasad Varija Raghu Alexander Borst

Important brain functions need to be conserved throughout organisms of extremely varying sizes. Here we study the scaling properties of an essential component of computation in the brain: the single neuron. We compare morphology and signal propagation of a uniquely identifiable interneuron, the HS cell, in the blowfly (Calliphora) with its exact counterpart in the fruit fly (Drosophila) which i...

2004
Yunping Jiang

We study hyperbolic maps depending on a parameter ε. Each of them has an invariant Cantor set. As ε tends to zero, the map approaches the boundary of hyperbolicity. We analyze the asymptotics of scaling function of the invariant Cantor set as ε goes to zero. We show that there is a limiting scaling function of the limiting map and this scaling function has dense jump discontinuities because the...

2013
Tian Qiu Zi-Ke Zhang Guang Chen

Finding a universal description of the algorithm optimization is one of the key challenges in personalized recommendation. In this article, for the first time, we introduce a scaling-based algorithm (SCL) independent of recommendation list length based on a hybrid algorithm of heat conduction and mass diffusion, by finding out the scaling function for the tunable parameter and object average de...

2008
Davide Fioravanti Paolo Grinza

A method for determining the generalised scaling function(s) arising in the high spin behaviour of long operator anomalous dimensions in the planar sl(2) sector of N = 4 SYM is proposed. The all-order perturbative expansion around the strong coupling is detailed for the prototypical third and fourth scaling functions, showing the emergence of the O(6) Non-Linear Sigma Model mass-gap from differ...

Background & Aim: Corrosion is one of the most complicated and costly problems related to the drinking water supply that can influence the health of consumers, the general acceptance of a water resource, and the costs of water supply. Scaling also causes problems such as clogging and head loss in drinking water networks. The aim of this study was to determine the chemical quality and stability ...

Journal: :مجله دانشکده دندانپزشکی اصفهان 0
r - birang a mogharehabed kh mostajeran

abstract introduction: scaling and root planing is one of the most commonly used procedures during periodontal treatments. removal of calculus using conventional hand instruments is incomplete and rather time consuming. to find more efficient and less difficult instrumentation method, investigators have proposed lasers as an alternative or adjunct to hand instruments for scaling and root planin...

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