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Entropy, Volume 17, Issue 10

2015 October - 39 articles

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Articles (39)

  • Article
  • Open Access
30 Citations
7,385 Views
12 Pages

23 October 2015

Accessing information efficiently is vital for animals to make the optimal decisions, and it is particularly important when they are facing predators. Yet until now, very few quantitative conclusions have been drawn about the information dynamics in...

  • Article
  • Open Access
22 Citations
7,649 Views
24 Pages

Exergy Losses in the Szewalski Binary Vapor Cycle

  • Tomasz Kowalczyk,
  • Paweł Ziółkowski and
  • Janusz Badur

23 October 2015

In this publication, we present an energy and exergy analysis of the Szewalski binary vapor cycle based on a model of a supercritical steam power plant. We used energy analysis to conduct a preliminary optimization of the cycle. Exergy loss analysis...

  • Article
  • Open Access
4 Citations
8,206 Views
32 Pages

Quantifying Emergent Behavior of Autonomous Robots

  • Georg Martius and
  • Eckehard Olbrich

23 October 2015

Quantifying behaviors of robots which were generated autonomously from task-independent objective functions is an important prerequisite for objective comparisons of algorithms and movements of animals. The temporal sequence of such a behavior can be...

  • Article
  • Open Access
4,761 Views
15 Pages

22 October 2015

In this paper, we propose a novel method for increasing the entropy of a sequence of independent, discrete random variables with arbitrary distributions. The method uses an auxiliary table and a novel theorem that concerns the entropy of a sequence i...

  • Article
  • Open Access
5 Citations
5,428 Views
16 Pages

Dynamics and Thermodynamics of Nanoclusters

  • Karo Michaelian and
  • Ivan Santamaría-Holek

22 October 2015

The dynamic and thermodynamic properties of nanoclusters are studied in two different environments: the canonical and microcanonical ensembles. A comparison is made to thermodynamic properties of the bulk. It is shown that consistent and reproducible...

  • Article
  • Open Access
72 Citations
6,854 Views
18 Pages

Robust Hammerstein Adaptive Filtering under Maximum Correntropy Criterion

  • Zongze Wu,
  • Siyuan Peng,
  • Badong Chen and
  • Haiquan Zhao

22 October 2015

The maximum correntropy criterion (MCC) has recently been successfully applied to adaptive filtering. Adaptive algorithms under MCC show strong robustness against large outliers. In this work, we apply the MCC criterion to develop a robust Hammerstei...

  • Article
  • Open Access
15 Citations
8,431 Views
18 Pages

22 October 2015

For the modeling of complex and nonlinear crude oil price dynamics and movement, wavelet analysis can decompose the time series and produce multiple economically meaningful decomposition structures based on different assumptions of wavelet families a...

  • Article
  • Open Access
59 Citations
6,433 Views
16 Pages

Adaptive Synchronization for a Class of Uncertain Fractional-Order Neural Networks

  • Heng Liu,
  • Shenggang Li,
  • Hongxing Wang,
  • Yuhong Huo and
  • Junhai Luo

22 October 2015

In this paper, synchronization for a class of uncertain fractional-order neural networks subject to external disturbances and disturbed system parameters is studied. Based on the fractional-order extension of the Lyapunov stability criterion, an adap...

  • Article
  • Open Access
2 Citations
5,503 Views
12 Pages

22 October 2015

We analyze the mesoscopic dynamics of small-scale systems from the perspective of mesoscopic non-equilibrium thermodynamics. The theory obtains the Fokker–Planck equation as a diffusion equation for the probability density of the mesoscopic variables...

  • Article
  • Open Access
22 Citations
5,705 Views
17 Pages

22 October 2015

We explore the information geometric structures among the thermodynamic potentials in the κ-thermostatistics, which is a generalized thermostatistics based on the κ-deformed entropy. We show that there exists two different kinds of dualistic Hessian...

  • Article
  • Open Access
13 Citations
6,137 Views
14 Pages

20 October 2015

I develop a framework for interpreting the forces that act on any population described by frequencies. The conservation of total frequency, or total probability, shapes the characteristics of force. I begin with Fisher’s fundamental theorem of natura...

  • Article
  • Open Access
30 Citations
9,523 Views
17 Pages

20 October 2015

In actual application, sensors are prone to failure because of harsh environments, battery drain, and sensor aging. Sensor fault location is an important step for follow-up sensor fault detection. In this paper, two new multi-level wavelet Shannon en...

  • Article
  • Open Access
8 Citations
11,366 Views
11 Pages

19 October 2015

Vibration-based condition monitoring and fault diagnosis is an effective approach to maintain the reliable operation of a scroll compressor. Unfortunately, the vibration signal from the scroll compressor always has characteristics of being non-linear...

  • Article
  • Open Access
26 Citations
6,265 Views
12 Pages

Modified Legendre Wavelets Technique for Fractional Oscillation Equations

  • Syed Tauseef Mohyud-Din,
  • Muhammad Asad Iqbal and
  • Saleh M. Hassan

16 October 2015

Physical Phenomena’s located around us are primarily nonlinear in nature and their solutions are of highest significance for scientists and engineers. In order to have a better representation of these physical models, fractional calculus is used. Fra...

  • Article
  • Open Access
3 Citations
4,758 Views
17 Pages

16 October 2015

In this paper, the exponentially synchronization in the mean square is investigated for two different stochastic complex networks with hybrid coupling and time-varying delay via pinning control. By utilizing the Lyapunov stability theory, stochastic...

  • Article
  • Open Access
94 Citations
9,698 Views
15 Pages

16 October 2015

DNA computing based image encryption is a new, promising field. In this paper, we propose a novel image encryption scheme based on DNA encoding and spatiotemporal chaos. In particular, after the plain image is primarily diffused with the bitwise Excl...

  • Concept Paper
  • Open Access
28 Citations
5,893 Views
26 Pages

16 October 2015

Recently, the methods of quantum theory (QT), especially quantum information and probability, started to be widely applied outside of physics: in cognitive, social and political sciences, psychology, economics, finances, decision making, molecular bi...

  • Article
  • Open Access
44 Citations
7,996 Views
26 Pages

16 October 2015

This paper outlines a science-based explanation of damage and reliability of critical components and structures within the second law of thermodynamics. The approach relies on the fundamentals of irreversible thermodynamics, specifically the concept...

  • Article
  • Open Access
26 Citations
7,932 Views
31 Pages

16 October 2015

As digital terrain models are indispensable for visualizing and modeling geographic processes, terrain information content is useful for terrain generalization and representation. For terrain generalization, if the terrain information is considered,...

  • Article
  • Open Access
6 Citations
4,376 Views
24 Pages

Extended Thermodynamics for Dense Gases up to Whatever Order and with Only Some Symmetries

  • Maria Cristina Carrisi,
  • Rita Enoh Tchame,
  • Marcel Obounou and
  • Sebastiano Pennisi

16 October 2015

Extended Thermodynamics of dense gases is characterized by two hierarchies of field equations, which allow one to overcome some restrictions on the generality of the previous models. This idea has been introduced by Arima, Taniguchi, Ruggeri and Sugi...

  • Article
  • Open Access
49 Citations
12,465 Views
21 Pages

Topological Characterization of Complex Systems: Using Persistent Entropy

  • Emanuela Merelli,
  • Matteo Rucco,
  • Peter Sloot and
  • Luca Tesei

15 October 2015

In this paper, we propose a methodology for deriving a model of a complex system by exploiting the information extracted from topological data analysis. Central to our approach is the S[B] paradigm in which a complex system is represented by a two-le...

  • Review
  • Open Access
33 Citations
7,093 Views
32 Pages

Thermal BEC Black Holes

  • Roberto Casadio,
  • Andrea Giugno,
  • Octavian Micu and
  • Alessio Orlandi

15 October 2015

We review some features of Bose–Einstein condensate (BEC) models of black holes obtained by means of the horizon wave function formalism. We consider the Klein–Gordon equation for a toy graviton field coupled to a static matter current in a spherical...

  • Article
  • Open Access
2 Citations
6,576 Views
18 Pages

Analysis of Neural Oscillations on Drosophila’s Subesophageal Ganglion Based on Approximate Entropy

  • Tian Mei,
  • Jingda Qiao,
  • Yi Zhou,
  • Huaiyu Gu,
  • Ziyi Chen,
  • Xianghua Tian and
  • Kuiying Gu

10 October 2015

The suboesophageal ganglion (SOG), which connects to both central and peripheral nerves, is the primary taste-processing center in the Drosophila’s brain. The neural oscillation in this center may be of great research value yet it is rarely reported....

  • Article
  • Open Access
3 Citations
5,738 Views
20 Pages

9 October 2015

The ability to inhibit impulses and withdraw certain responses are essential for human’s survival in a fast-changing environment. These processes happen fast, in a complex manner, and require our brain to make a fast adaptation to inhibit the impulsi...

  • Article
  • Open Access
13 Citations
6,465 Views
33 Pages

8 October 2015

Biological networks are open systems that can utilize nutrients and energy from their environment for use in their metabolic processes, and produce metabolic products. System entropy is defined as the difference between input and output signal entrop...

  • Article
  • Open Access
21 Citations
5,920 Views
18 Pages

7 October 2015

New patterns of steady-state chemical kinetics for continuously stirred-tank reactors (CSTR) have been found, i.e., intersections, maxima and coincidences, for two-step mechanism A↔B→C. There were found elegant analytical relationships for characteri...

  • Article
  • Open Access
108 Citations
6,833 Views
12 Pages

5 October 2015

In this article, the local fractional Homotopy perturbation method is utilized to solve the non-homogeneous heat conduction equations. The operator is considered in the sense of the local fractional differential operator. Comparative results between...

  • Article
  • Open Access
4 Citations
5,647 Views
18 Pages

5 October 2015

Low-energy instabilities in the hole-doped cuprates include, besides short range antiferromagnetic fluctuations and superconductivity, also ubiquitous translational and rotational symmetry breakings. The overwhelming majority of interpretations of th...

  • Article
  • Open Access
10 Citations
5,863 Views
10 Pages

30 September 2015

A novel quantum secure direct communication protocol based on four-particle genuine entangled state and quantum dense coding is proposed. In this protocol, the four-particle genuine entangled state is used to detect eavesdroppers, and quantum dense c...

  • Article
  • Open Access
1 Citations
6,295 Views
14 Pages

29 September 2015

We perform a computer simulation of the reaction-diffusion and convection that takes place in Rayleigh–Bénard and Bénard–Poiseuille regimes. The lattice Boltzmann equation (LBE) is used along with the Boussinesq approximation to solve the non-linear...

  • Article
  • Open Access
14 Citations
6,519 Views
16 Pages

25 September 2015

In the smart grid, large consumers can procure electricity energy from various power sources to meet their load demands. To maximize its profit, each large consumer needs to decide their energy procurement strategy under risks such as price fluctuati...

  • Article
  • Open Access
3 Citations
5,457 Views
22 Pages

Bayesian Inference on the Memory Parameter for Gamma-Modulated Regression Models

  • Plinio Andrade,
  • Laura Rifo,
  • Soledad Torres and
  • Francisco Torres-Avilés

25 September 2015

In this work, we propose a Bayesian methodology to make inferences for the memory parameter and other characteristics under non-standard assumptions for a class of stochastic processes. This class generalizes the Gamma-modulated process, with traject...

  • Article
  • Open Access
46 Citations
7,177 Views
19 Pages

25 September 2015

Ultrasound backscattering signals depend on the microstructures of tissues. Some studies have applied Shannon entropy to analyze the uncertainty of raw radiofrequency (RF) data. However, we found that the sensitivity of entropy in detecting various s...

  • Article
  • Open Access
22 Citations
8,585 Views
26 Pages

25 September 2015

The coherent secondary flow structures (i.e., swirling motions) in a curved artery model possess a variety of spatio-temporal morphologies and can be encoded over an infinitely-wide range of wavelet scales. Wavelet analysis was applied to the followi...

  • Article
  • Open Access
3 Citations
4,779 Views
20 Pages

25 September 2015

The aim of this paper is to find higher order geometrical corrections to the Einstein–Hilbert action that can lead only to second order equations of motion. The metric formalism is used, and static spherically-symmetric and Friedmann–Lemaître space-t...

  • Article
  • Open Access
104 Citations
9,350 Views
20 Pages

Identification of Green, Oolong and Black Teas in China via Wavelet Packet Entropy and Fuzzy Support Vector Machine

  • Shuihua Wang,
  • Xiaojun Yang,
  • Yudong Zhang,
  • Preetha Phillips,
  • Jianfei Yang and
  • Ti-Fei Yuan

25 September 2015

To develop an automatic tea-category identification system with a high recall rate, we proposed a computer-vision and machine-learning based system, which did not require expensive signal acquiring devices and time-consuming procedures. We captured 3...

  • Article
  • Open Access
17 Citations
5,580 Views
15 Pages

25 September 2015

The randomness and fuzziness that exist in rolling bearings when faults occur result in uncertainty in acquisition signals and reduce the accuracy of signal feature extraction. To solve this problem, this study proposes a new method in which cloud mo...

  • Article
  • Open Access
9 Citations
5,903 Views
26 Pages

A Bayesian Decision-Theoretic Approach to Logically-Consistent Hypothesis Testing

  • Gustavo Miranda Da Silva,
  • Luis Gustavo Esteves,
  • Victor Fossaluza,
  • Rafael Izbicki and
  • Sergio Wechsler

24 September 2015

This work addresses an important issue regarding the performance of simultaneous test procedures: the construction of multiple tests that at the same time are optimal from a statistical perspective and that also yield logically-consistent results tha...

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Entropy - ISSN 1099-4300