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Entropy, Volume 17, Issue 7

2015 July - 36 articles

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Articles (36)

  • Article
  • Open Access
11 Citations
5,839 Views
16 Pages

Analytic Exact Upper Bound for the Lyapunov Dimension of the Shimizu–Morioka System

  • Gennady A. Leonov,
  • Tatyana A. Alexeeva and
  • Nikolay V. Kuznetsov

22 July 2015

In applied investigations, the invariance of the Lyapunov dimension under a diffeomorphism is often used. However, in the case of irregular linearization, this fact was not strictly considered in the classical works. In the present work, the invarian...

  • Article
  • Open Access
4 Citations
7,590 Views
16 Pages

An Entropy-Based Approach to Path Analysis of Structural Generalized Linear Models: A Basic Idea

  • Nobuoki Eshima,
  • Minoru Tabata,
  • Claudio Giovanni Borroni and
  • Yutaka Kano

22 July 2015

A path analysis method for causal systems based on generalized linear models is proposed by using entropy. A practical example is introduced, and a brief explanation of the entropy coefficient of determination is given. Direct and indirect effects of...

  • Article
  • Open Access
2 Citations
5,146 Views
12 Pages

22 July 2015

A hypsometric map is a type of map used to represent topographic characteristics by filling different map areas with diverging colors. The setting of appropriate diverging colors is essential for the map to reveal topographic details. When lunar real...

  • Article
  • Open Access
9 Citations
5,539 Views
16 Pages

Averaged Extended Tree Augmented Naive Classifier

  • Aaron Meehan and
  • Cassio P. De Campos

21 July 2015

This work presents a new general purpose classifier named Averaged Extended Tree Augmented Naive Bayes (AETAN), which is based on combining the advantageous characteristics of Extended Tree Augmented Naive Bayes (ETAN) and Averaged One-Dependence Est...

  • Article
  • Open Access
6,755 Views
16 Pages

Evaluation of the Atmospheric Chemical Entropy Production of Mars

  • Alfonso Delgado-Bonal and
  • F. Javier Martín-Torres

20 July 2015

Thermodynamic disequilibrium is a necessary situation in a system in which complex emergent structures are created and maintained. It is known that most of the chemical disequilibrium, a particular type of thermodynamic disequilibrium, in Earth’s atm...

  • Article
  • Open Access
13 Citations
6,432 Views
22 Pages

Minimal Rényi–Ingarden–Urbanik Entropy of Multipartite Quantum States

  • Marco Enríquez,
  • Zbigniew Puchała and
  • Karol Życzkowski

20 July 2015

We study the entanglement of a pure state of a composite quantum system consisting of several subsystems with d levels each. It can be described by the Rényi–Ingarden–Urbanik entropy Sq of a decomposition of the state in a product basis, minimized ov...

  • Reply
  • Open Access
19 Citations
5,496 Views
4 Pages

17 July 2015

In a recent PRL (2013, 111, 180604), we invoked the Shore and Johnson axioms which demonstrate that the least-biased way to infer probability distributions fpig from data is to maximize the Boltzmann-Gibbs entropy. We then showed which biases are int...

  • Article
  • Open Access
21 Citations
5,876 Views
22 Pages

A Novel Method for Seismogenic Zoning Based on Triclustering: Application to the Iberian Peninsula

  • Francisco Martínez-Álvarez,
  • David Gutiérrez-Avilés,
  • Antonio Morales-Esteban,
  • Jorge Reyes,
  • José L. Amaro-Mellado and
  • Cristina Rubio-Escudero

16 July 2015

A previous definition of seismogenic zones is required to do a probabilistic seismic hazard analysis for areas of spread and low seismic activity. Traditional zoning methods are based on the available seismic catalog and the geological structures. It...

  • Article
  • Open Access
5 Citations
6,959 Views
21 Pages

The Critical Point Entanglement and Chaos in the Dicke Model

  • Lina Bao,
  • Feng Pan,
  • Jing Lu and
  • Jerry P. Draayer

16 July 2015

Ground state properties and level statistics of the Dicke model for a finite number of atoms are investigated based on a progressive diagonalization scheme (PDS). Particle number statistics, the entanglement measure and the Shannon information entrop...

  • Article
  • Open Access
28 Citations
5,006 Views
12 Pages

15 July 2015

In communication, the signal at the receiver end at time t is the signal from the transmitter side at time t −Τ (Τ ≥ 0 and it is the lag time) as the time lag of transmission. Therefore, lag synchronization (LS) is more accurate than complete synchr...

  • Article
  • Open Access
4 Citations
5,270 Views
14 Pages

15 July 2015

A common statistical situation concerns inferring an unknown distribution Q(x) from a known distribution P(y), where X (dimension n), and Y (dimension m) have a known functional relationship. Most commonly, n ≤ m, and the task is relatively straightf...

  • Article
  • Open Access
4 Citations
5,726 Views
19 Pages

Identity Authentication over Noisy Channels

  • Fanfan Zheng,
  • Zhiqing Xiao,
  • Shidong Zhou,
  • Jing Wang and
  • Lianfen Huang

14 July 2015

Identity authentication is the process of verifying users’ validity. Unlike classical key-based authentications, which are built on noiseless channels, this paper introduces a general analysis and design framework for identity authentication over noi...

  • Article
  • Open Access
36 Citations
8,852 Views
15 Pages

14 July 2015

This study developed niche models for the native ranges of Oreochromis andersonii, O. mortimeri, and O. mossambicus, and assessed how much of their range is climatically suitable for the establishment of O. niloticus, and then reviewed the conservati...

  • Article
  • Open Access
30 Citations
7,295 Views
27 Pages

13 July 2015

Renewal processes are broadly used to model stochastic behavior consisting of isolated events separated by periods of quiescence, whose durations are specified by a given probability law. Here, we identify the minimal sufficient statistic for their p...

  • Article
  • Open Access
3 Citations
4,765 Views
25 Pages

Faster Together: Collective Quantum Search

  • Demosthenes Ellinas and
  • Christos Konstandakis

10 July 2015

Joining independent quantum searches provides novel collective modes of quantum search (merging) by utilizing the algorithm’s underlying algebraic structure. If n quantum searches, each targeting a single item, join the domains of their classical ora...

  • Article
  • Open Access
26 Citations
12,491 Views
28 Pages

Entropy, Information and Complexity or Which Aims the Arrow of Time?

  • George E. Mikhailovsky and
  • Alexander P. Levich

10 July 2015

In this article, we analyze the interrelationships among such notions as entropy, information, complexity, order and chaos and show using the theory of categories how to generalize the second law of thermodynamics as a law of increasing generalized e...

  • Article
  • Open Access
5,390 Views
23 Pages

9 July 2015

In this work, the irreversible processes in light heating of Silicon (Si) and Germanium (Ge) thin films are examined. Each film is exposed to light irradiation with radiative and convective boundary conditions. Heat, electron and hole transport and g...

  • Article
  • Open Access
12 Citations
6,242 Views
29 Pages

9 July 2015

This paper gives the quantitative relationship between prediction error and given past sample size in our research of sea level time series. The present result exhibits that the prediction error of sea level time series in terms of given past sample...

  • Article
  • Open Access
34 Citations
6,008 Views
11 Pages

Fractional Differential Texture Descriptors Based on the Machado Entropy for Image Splicing Detection

  • Rabha W. Ibrahim,
  • Zahra Moghaddasi,
  • Hamid A. Jalab and
  • Rafidah Md Noor

8 July 2015

Image splicing is a common operation in image forgery. Different techniques of image splicing detection have been utilized to regain people’s trust. This study introduces a texture enhancement technique involving the use of fractional differential ma...

  • Article
  • Open Access
38 Citations
14,675 Views
17 Pages

6 July 2015

Surface tension and surface energy are closely related, although not identical concepts. Surface tension is a generalized force; unlike a conventional mechanical force, it is not applied to any particular body or point. Using this notion, we suggest...

  • Article
  • Open Access
9 Citations
5,986 Views
43 Pages

6 July 2015

We study the asymptotic law of a network of interacting neurons when the number of neurons becomes infinite. Given a completely connected network of neurons in which the synaptic weights are Gaussian correlated random variables, we describe the asymp...

  • Article
  • Open Access
22 Citations
8,168 Views
18 Pages

6 July 2015

The performance characteristics of an ejector-expansion refrigeration cycle (EEC) using R32 have been investigated in comparison with that using R134a. The coefficient of performance (COP), the exergy destruction, the exergy efficiency and the suctio...

  • Article
  • Open Access
2 Citations
4,401 Views
13 Pages

6 July 2015

The problem of robust H control is investigated for Markov jump systems with nonlinear noise intensity function and uncertain transition rates. A robust H performance criterion is developed for the given systems for the first time. Based on the dev...

  • Article
  • Open Access
16 Citations
6,140 Views
10 Pages

Continuous Variable Quantum Key Distribution with a Noisy Laser

  • Christian S. Jacobsen,
  • Tobias Gehring and
  • Ulrik L. Andersen

3 July 2015

Existing experimental implementations of continuous-variable quantum key distribution require shot-noise limited operation, achieved with shot-noise limited lasers. However, loosening this requirement on the laser source would allow for cheaper, pote...

  • Article
  • Open Access
8 Citations
5,554 Views
20 Pages

3 July 2015

The classic principal components analysis (PCA), kernel PCA (KPCA) and linear discriminant analysis (LDA) feature extraction methods evaluate the importance of components according to their covariance contribution, not considering the entropy contrib...

  • Article
  • Open Access
47 Citations
8,376 Views
17 Pages

Differentiating Interictal and Ictal States in Childhood Absence Epilepsy through Permutation Rényi Entropy

  • Nadia Mammone,
  • Jonas Duun-Henriksen,
  • Troels W. Kjaer and
  • Francesco C. Morabito

2 July 2015

Permutation entropy (PE) has been widely exploited to measure the complexity of the electroencephalogram (EEG), especially when complexity is linked to diagnostic information embedded in the EEG. Recently, the authors proposed a spatial-temporal anal...

  • Article
  • Open Access
35 Citations
6,592 Views
10 Pages

2 July 2015

We consider the problem of defining a measure of redundant information that quantifies how much common information two or more random variables specify about a target random variable. We discussed desired properties of such a measure, and propose new...

  • Article
  • Open Access
25 Citations
6,540 Views
20 Pages

1 July 2015

In this paper, we study the classical Sumudu transform in fuzzy environment, referred to as the fuzzy Sumudu transform (FST). We also propose some results on the properties of the FST, such as linearity, preserving, fuzzy derivative, shifting and con...

  • Article
  • Open Access
11 Citations
6,287 Views
25 Pages

1 July 2015

In regression analysis for deriving scaling laws that occur in various scientific disciplines, usually standard regression methods have been applied, of which ordinary least squares (OLS) is the most popular. In many situations, the assumptions under...

  • Article
  • Open Access
3 Citations
6,130 Views
19 Pages

29 June 2015

In this work, we present the generalization of some thermodynamic properties of the black body radiation (BBR) towards an n-dimensional Euclidean space. For this case, the Planck function and the Stefan–Boltzmann law have already been given by Landsb...

  • Article
  • Open Access
8 Citations
4,628 Views
14 Pages

26 June 2015

In this paper, we propose a new entropy-optimized bivariate empirical mode decomposition (BEMD)-based model for estimating portfolio value at risk (PVaR). It reveals and analyzes different components of the price fluctuation. These components are dec...

  • Article
  • Open Access
31 Citations
6,198 Views
14 Pages

26 June 2015

At present, many cloud services are managed by using open source software, such as OpenStack and Eucalyptus, because of the unification management of data, cost reduction, quick delivery and work savings. The operation phase of cloud computing has a...

  • Article
  • Open Access
30 Citations
6,712 Views
16 Pages

Noiseless Linear Amplifiers in Entanglement-Based Continuous-Variable Quantum Key Distribution

  • Yichen Zhang,
  • Zhengyu Li,
  • Christian Weedbrook,
  • Kevin Marshall,
  • Stefano Pirandola,
  • Song Yu and
  • Hong Guo

26 June 2015

We propose a method to improve the performance of two entanglement-based continuous-variable quantum key distribution protocols using noiseless linear amplifiers. The two entanglement-based schemes consist of an entanglement distribution protocol wit...

  • Article
  • Open Access
9 Citations
10,579 Views
19 Pages

Clausius’ Disgregation: A Conceptual Relic that Sheds Light on the Second Law

  • Emilio Marco Pellegrino,
  • Elena Ghibaudi and
  • Luigi Cerruti

25 June 2015

The present work analyzes the cognitive process that led Clausius towards the translation of the Second Law of Thermodynamics into mathematical expressions. We show that Clausius’ original formal expression of the Second Law was achieved by making ex...

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Entropy - ISSN 1099-4300