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Entropy, Volume 26, Issue 9

September 2024 - 95 articles

Cover Story: Time possesses a clear asymmetry between the past and the future; entropy increases, life evolves, we remember the past, and we plan the future. Yet fundamentally, our universe is governed by laws that are symmetric with respect to time reversal, making it difficult to identify a physical explanation for our experience of the irreversible passage of time. To reconcile this difference, we propose a toy model of emergent time asymmetries—the causal multibaker maps. After imposing a suitable initial condition and coarse graining on them, a Pearlean locally causal structure emerges. From this structure, we obtain not only the second law of thermodynamics but many additional time asymmetries resembling those of the real universe. View this paper
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Articles (95)

  • Feature Paper
  • Article
  • Open Access
4 Citations
1,451 Views
10 Pages

10 September 2024

This study explores the thermodynamic properties of doped graphene using an adapted electronic spectrum. We employed the one-electron tight-binding model to describe the hexagonal lattice structure. The dispersion relation for graphene is expressed i...

  • Article
  • Open Access
4 Citations
2,111 Views
16 Pages

9 September 2024

We discuss 1D, 2D and 3D bifurcation diagrams of two nonlinear dynamical systems: an electric arc system having both chaotic and periodic steady-state responses and a cytosolic calcium system with both periodic/chaotic and constant steady-state outpu...

  • Article
  • Open Access
1 Citations
1,754 Views
13 Pages

8 September 2024

Individuals with gaming disorder (GD) show emotional dysregulation and autonomic dysfunction in daily life. Although studies have shown that the relaxation method of breathing exercise (BE) improves cardiopulmonary synchrony, the physiological regula...

  • Article
  • Open Access
1 Citations
1,725 Views
13 Pages

7 September 2024

The space fractional advection–diffusion equation is a crucial type of fractional partial differential equation, widely used for its ability to more accurately describe natural phenomena. Due to the complexity of analytical approaches, this pap...

  • Article
  • Open Access
2 Citations
2,417 Views
17 Pages

Optimizing Prognostic Predictions in Liver Cancer with Machine Learning and Survival Analysis

  • Kaida Cai,
  • Wenzhi Fu,
  • Zhengyan Wang,
  • Xiaofang Yang,
  • Hanwen Liu and
  • Ziyang Ji

7 September 2024

This study harnesses RNA sequencing data from the Cancer Genome Atlas to unearth pivotal genetic markers linked to the progression of liver hepatocellular carcinoma (LIHC), a major contributor to cancer-related deaths worldwide, characterized by a di...

  • Article
  • Open Access
2 Citations
1,054 Views
34 Pages

6 September 2024

Two typical fixed-length random number generation problems in information theory are considered for general sources. One is the source resolvability problem and the other is the intrinsic randomness problem. In each of these problems, the optimum ach...

  • Article
  • Open Access
5 Citations
6,378 Views
34 Pages

Natural Induction: Spontaneous Adaptive Organisation without Natural Selection

  • Christopher L. Buckley,
  • Tim Lewens,
  • Michael Levin,
  • Beren Millidge,
  • Alexander Tschantz and
  • Richard A. Watson

6 September 2024

Evolution by natural selection is believed to be the only possible source of spontaneous adaptive organisation in the natural world. This places strict limits on the kinds of systems that can exhibit adaptation spontaneously, i.e., without design. Ph...

  • Article
  • Open Access
3 Citations
1,787 Views
10 Pages

5 September 2024

This study explores the role of information entropy in understanding nuclear density distributions, including both stable configurations and non-traditional structures such as neutron halos and α-clustering. By quantifying the uncertainty and d...

  • Article
  • Open Access
1 Citations
1,800 Views
14 Pages

Bidirectional Decoupled Distillation for Heterogeneous Federated Learning

  • Wenshuai Song,
  • Mengwei Yan,
  • Xinze Li and
  • Longfei Han

5 September 2024

Federated learning enables multiple devices to collaboratively train a high-performance model on the central server while keeping their data on the devices themselves. However, due to the significant variability in data distribution across devices, t...

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Entropy - ISSN 1099-4300