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Entropy, Volume 22, Issue 9

2020 September - 156 articles

Cover Story: This paper presents a theory and simulation of viscous dissipation in evolving interfaces and membranes under astigmatic kinematics. The viscous dissipation is captured by the Boussinesq–Scriven fluid model. We characterize and explain the relationship between the physical surface and the thermodynamic surface in the frame of decoupled shape-curvedness representation. The entropy production surface under constant homogeneous normal velocity decays with growth and shows minima for saddles and spheres, and maxima for cylindrical patches. We demonstrate that spheres and cylinders grow under constant shape, while growing cylinders can evolve into saddles or spheres by small shape perturbations. Taken together, the results and analysis provide novel and significant relations between shape evolution and viscous dissipation in deforming viscous membranes and surfaces. View this paper
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Articles (156)

  • Article
  • Open Access
14 Citations
5,437 Views
20 Pages

22 September 2020

Domain generation algorithms (DGAs) use specific parameters as random seeds to generate a large number of random domain names to prevent malicious domain name detection. This greatly increases the difficulty of detecting and defending against botnets...

  • Article
  • Open Access
26 Citations
4,013 Views
14 Pages

22 September 2020

In this work we considered the quantum Otto cycle within an optimization framework. The goal was maximizing the power for a heat engine or maximizing the cooling power for a refrigerator. In the field of finite-time quantum thermodynamics it is commo...

  • Article
  • Open Access
7 Citations
2,845 Views
11 Pages

22 September 2020

We propose a new measure (Γ) to quantify the degree of self-similarity of a shape using branch length similarity (BLS) entropy which is defined on a simple network consisting of a single node and its branches. To investigate the properties of t...

  • Article
  • Open Access
10 Citations
4,108 Views
15 Pages

DSP-Assisted Nonlinear Impairments Tolerant 100 Gbps Optical Backhaul Network for Long-Haul Transmission

  • Muhammad Irfan,
  • Farman Ali,
  • Fazal Muhammad,
  • Usman Habib,
  • Abdullah S. Alwadie,
  • Adam Glowacz,
  • Ziaul Haq Abbas and
  • Eliasz Kańtoch

22 September 2020

High capacity long haul communication and cost-effective solutions for low loss transmission are the major advantages of optical fibers, which makes them a promising solution to be used for backhaul network transportation. A distortion-tolerant 100 G...

  • Article
  • Open Access
21 Citations
8,265 Views
22 Pages

The Flow of Information in Trading: An Entropy Approach to Market Regimes

  • Anqi Liu,
  • Jing Chen,
  • Steve Y. Yang and
  • Alan G. Hawkes

22 September 2020

In this study, we use entropy-based measures to identify different types of trading behaviors. We detect the return-driven trading using the conditional block entropy that dynamically reflects the “self-causality” of market return flows....

  • Article
  • Open Access
9 Citations
4,312 Views
25 Pages

Metaheuristics in the Optimization of Cryptographic Boolean Functions

  • Isaac López-López,
  • Guillermo Sosa-Gómez,
  • Carlos Segura,
  • Diego Oliva and
  • Omar Rojas

21 September 2020

Generating Boolean Functions (BFs) with high nonlinearity is a complex task that is usually addresses through algebraic constructions. Metaheuristics have also been applied extensively to this task. However, metaheuristics have not been able to attai...

  • Feature Paper
  • Article
  • Open Access
8 Citations
3,871 Views
22 Pages

Reduction Theorem for Secrecy over Linear Network Code for Active Attacks

  • Masahito Hayashi,
  • Masaki Owari,
  • Go Kato and
  • Ning Cai

21 September 2020

We discuss the effect of sequential error injection on information leakage under a network code. We formulate a network code for the single transmission setting and the multiple transmission setting. Under this formulation, we show that the eavesdrop...

  • Article
  • Open Access
12 Citations
4,876 Views
19 Pages

21 September 2020

The electric double layer (EDL) is an important phenomenon that arises in systems where a charged surface comes into contact with an electrolyte solution. In this work we describe the generalization of classic Poisson-Boltzmann (PB) theory for point-...

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Entropy - ISSN 1099-4300