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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)

  • Article
  • Open Access
2 Citations
1,353 Views
14 Pages

Assessing Variable Importance for Best Subset Selection

  • Jacob Seedorff and
  • Joseph E. Cavanaugh

19 September 2024

One of the primary issues that arises in statistical modeling pertains to the assessment of the relative importance of each variable in the model. A variety of techniques have been proposed to quantify variable importance for regression models. Howev...

  • Article
  • Open Access
4 Citations
1,968 Views
12 Pages

Enhanced Magnetocaloric Properties of the (MnNi)0.6Si0.62(FeCo)0.4Ge0.38 High-Entropy Alloy Obtained by Co Substitution

  • Zhigang Zheng,
  • Pengyan Huang,
  • Xinglin Chen,
  • Hongyu Wang,
  • Shan Da,
  • Gang Wang,
  • Zhaoguo Qiu and
  • Dechang Zeng

19 September 2024

In order to improve the magnetocaloric properties of MnNiSi-based alloys, a new type of high-entropy magnetocaloric alloy was constructed. In this work, Mn0.6Ni1−xSi0.62Fe0.4CoxGe0.38 (x = 0.4, 0.45, and 0.5) are found to exhibit magnetostructu...

  • Article
  • Open Access
1 Citations
3,060 Views
9 Pages

Golf Club Selection with AI-Based Game Planning

  • Mehdi Khazaeli and
  • Leili Javadpour

19 September 2024

In the dynamic realm of golf, where every swing can make the difference between victory and defeat, the strategic selection of golf clubs has become a crucial factor in determining the outcome of a game. Advancements in artificial intelligence have o...

  • Article
  • Open Access
1,195 Views
19 Pages

Nonparametric Expectile Shortfall Regression for Complex Functional Structure

  • Mohammed B. Alamari,
  • Fatimah A. Almulhim,
  • Zoulikha Kaid and
  • Ali Laksaci

18 September 2024

This paper treats the problem of risk management through a new conditional expected shortfall function. The new risk metric is defined by the expectile as the shortfall threshold. A nonparametric estimator based on the Nadaraya–Watson approach...

  • Review
  • Open Access
1 Citations
4,913 Views
20 Pages

18 September 2024

The claim that the free energy principle is somehow related to Hamilton’s principle in statistical mechanics is ubiquitous throughout the subject literature. However, the exact nature of this relationship remains unclear. According to some sour...

  • Article
  • Open Access
3 Citations
5,350 Views
21 Pages

17 September 2024

Identifying the influential variables that provide early warning of financial network instability is challenging, in part due to the complexity of the system, uncertainty of a failure, and nonlinear, time-varying relationships between network partici...

  • Article
  • Open Access
4 Citations
1,664 Views
17 Pages

Robust Optimization Research of Cyber–Physical Power System Considering Wind Power Uncertainty and Coupled Relationship

  • Jiuling Dong,
  • Zilong Song,
  • Yuanshuo Zheng,
  • Jingtang Luo,
  • Min Zhang,
  • Xiaolong Yang and
  • Hongbing Ma

17 September 2024

To mitigate the impact of wind power uncertainty and power–communication coupling on the robustness of a new power system, a bi-level mixed-integer robust optimization strategy is proposed. Firstly, a coupled network model is constructed based...

  • Review
  • Open Access
6 Citations
8,932 Views
30 Pages

16 September 2024

Variable selection methods have been extensively developed for and applied to cancer genomics data to identify important omics features associated with complex disease traits, including cancer outcomes. However, the reliability and reproducibility of...

  • Article
  • Open Access
1 Citations
1,836 Views
16 Pages

An MLWE-Based Cut-and-Choose Oblivious Transfer Protocol

  • Yongli Tang,
  • Menghao Guo,
  • Yachao Huo,
  • Zongqu Zhao,
  • Jinxia Yu and
  • Baodong Qin

16 September 2024

The existing lattice-based cut-and-choose oblivious transfer protocol is constructed based on the learning-with-errors (LWE) problem, which generally has the problem of inefficiency. An efficient cut-and-choose oblivious transfer protocol is proposed...

  • Article
  • Open Access
3,371 Views
14 Pages

15 September 2024

The recommender system (RS) has been widely adopted in many applications, including online advertisements. Predicting the conversion rate (CVR) can help in evaluating the effects of advertisements on users and capturing users’ features, playing...

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Entropy - ISSN 1099-4300