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Entropy, Volume 23, Issue 1

January 2021 - 128 articles

Cover Story: Permeation through a potassium channel is quickly terminated after it opens via selectivity filter inactivation. This process is essential to functioning potassium channels, including bacterial KcsA. We compared the behavior of the wild-type KcsA channel and its mutants using molecular dynamic simulations, identifying residues with distinct properties. By analyzing causal links between rearrangements of these residues and permeating ions, we unraveled a network that acts as a self-organized system in regulating the ion permeation. Changes in one part of the network can lead to an adaptation in other regions, and the network can dynamically switch to an inactive state. View this paper.
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Articles (128)

  • Article
  • Open Access
252 Citations
16,021 Views
13 Pages

Automatic ECG Classification Using Continuous Wavelet Transform and Convolutional Neural Network

  • Tao Wang,
  • Changhua Lu,
  • Yining Sun,
  • Mei Yang,
  • Chun Liu and
  • Chunsheng Ou

18 January 2021

Early detection of arrhythmia and effective treatment can prevent deaths caused by cardiovascular disease (CVD). In clinical practice, the diagnosis is made by checking the electrocardiogram (ECG) beat-by-beat, but this is usually time-consuming and...

  • Feature Paper
  • Review
  • Open Access
17 Citations
6,903 Views
137 Pages

The Broadcast Approach in Communication Networks

  • Ali Tajer,
  • Avi Steiner and
  • Shlomo Shamai (Shitz)

18 January 2021

In this paper we review the theoretical and practical principles of the broadcast approach to communication over state-dependent channels and networks in which the transmitters have access to only the probabilistic description of the time-varying sta...

  • Article
  • Open Access
2 Citations
2,425 Views
20 Pages

18 January 2021

Most scholars maintain that quantum mechanics (QM) is a contextual theory and that quantum probability does not allow for an epistemic (ignorance) interpretation. By inquiring possible connections between contextuality and non-classical probabilities...

  • Article
  • Open Access
7 Citations
6,440 Views
29 Pages

Beyond Causal Explanation: Einstein’s Principle Not Reichenbach’s

  • Michael Silberstein,
  • William Mark Stuckey and
  • Timothy McDevitt

16 January 2021

Our account provides a local, realist and fully non-causal principle explanation for EPR correlations, contextuality, no-signalling, and the Tsirelson bound. Indeed, the account herein is fully consistent with the causal structure of Minkowski spacet...

  • Article
  • Open Access
5 Citations
3,672 Views
34 Pages

16 January 2021

We provide a non-asymptotic analysis of the spiked Wishart and Wigner matrix models with a generative neural network prior. Spiked random matrices have the form of a rank-one signal plus noise and have been used as models for high dimensional Princip...

  • Article
  • Open Access
2 Citations
2,772 Views
27 Pages

15 January 2021

Transportation of perishable foodstuff is an engineering and commercial activity ruled by an international Agreement (the ATP) that needs an updated regulation. Before addressing such updating, some analyses are required about the physics of the prob...

  • Review
  • Open Access
84 Citations
7,970 Views
42 Pages

Applications of Distributed-Order Fractional Operators: A Review

  • Wei Ding,
  • Sansit Patnaik,
  • Sai Sidhardh and
  • Fabio Semperlotti

15 January 2021

Distributed-order fractional calculus (DOFC) is a rapidly emerging branch of the broader area of fractional calculus that has important and far-reaching applications for the modeling of complex systems. DOFC generalizes the intrinsic multiscale natur...

  • Article
  • Open Access
2 Citations
3,083 Views
13 Pages

15 January 2021

Visual-motor tracking movement is a common and essential behavior in daily life. However, the contribution of future information to visual-motor tracking performance is not well understood in current research. In this study, the visual-motor tracking...

  • Article
  • Open Access
5 Citations
3,418 Views
16 Pages

15 January 2021

Cardiac signals have complex structures representing a combination of simpler structures. In this paper, we develop a new data analytic tool that can extract the complex structures of cardiac signals using the framework of multi-chaotic analysis, whi...

  • Article
  • Open Access
7 Citations
4,324 Views
18 Pages

Coupling between Blood Pressure and Subarachnoid Space Width Oscillations during Slow Breathing

  • Agnieszka Gruszecka,
  • Magdalena K. Nuckowska,
  • Monika Waskow,
  • Jacek Kot,
  • Pawel J. Winklewski,
  • Wojciech Guminski,
  • Andrzej F. Frydrychowski,
  • Jerzy Wtorek,
  • Adam Bujnowski and
  • Piotr Lass
  • + 2 authors

15 January 2021

The precise mechanisms connecting the cardiovascular system and the cerebrospinal fluid (CSF) are not well understood in detail. This paper investigates the couplings between the cardiac and respiratory components, as extracted from blood pressure (B...

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Entropy - ISSN 1099-4300