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Entropy, Volume 22, Issue 5

May 2020 - 99 articles

Cover Story: This schematic illustrates the partition of a system’s states into internal states (blue) and hidden or external states (cyan) that are separated by a Markov blanket, comprising sensory (magenta) and active states (red). The upper panel shows this partition as it would be applied to action and perception in the brain. The ensuing self-organization of internal states then corresponds to perception, while action couples brain states back to external states. The lower panel shows the same dependencies but rearranged so that the internal states are associated with the intracellular states of a Bacillus, while the sensory states become the surface states or cell membrane overlying active states (e.g., the actin filaments of the cytoskeleton). View this paper
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Articles (99)

  • Article
  • Open Access
4 Citations
4,466 Views
17 Pages

25 May 2020

Technological innovations are not enough by themselves to achieve social and environmental sustainability in companies. Sustainable development aims to determine the environmental impact of a product and the hidden price of products and services thro...

  • Article
  • Open Access
3 Citations
3,598 Views
29 Pages

25 May 2020

This paper mainly focuses on the problem of lossy compression storage based on the data value that represents the subjective assessment of users when the storage size is still not enough after the conventional lossless data compression. To this end,...

  • Article
  • Open Access
75 Citations
3,711 Views
24 Pages

25 May 2020

In this paper, we first study a new two parameter lifetime distribution. This distribution includes “monotone” and “non-monotone” hazard rate functions which are useful in lifetime data analysis and reliability. Some of its ma...

  • Article
  • Open Access
13 Citations
4,670 Views
15 Pages

24 May 2020

The investigation of the systemic importance of financial institutions (SIFIs) has become a hot topic in the field of financial risk management. By making full use of 5-min high-frequency data, and with the help of the method of entropy weight techni...

  • Article
  • Open Access
26 Citations
4,114 Views
23 Pages

24 May 2020

In theory, high key and high plaintext sensitivities are a must for a cryptosystem to resist the chosen/known plaintext and the differential attacks. High plaintext sensitivity can be achieved by ensuring that each encrypted result is plaintext-depen...

  • Article
  • Open Access
13 Citations
3,782 Views
25 Pages

23 May 2020

In the differential approach elaborated, we study the evolution of the parameters of Gaussian, mixed, continuous variable density matrices, whose dynamics are given by Hermitian Hamiltonians expressed as quadratic forms of the position and momentum o...

  • Article
  • Open Access
5 Citations
4,656 Views
11 Pages

23 May 2020

We study the dynamics of information processing in the continuum depth limit of deep feed-forward Neural Networks (NN) and find that it can be described in language similar to the Renormalization Group (RG). The association of concepts to patterns by...

  • Article
  • Open Access
8 Citations
3,893 Views
16 Pages

22 May 2020

The symmetric positive definite (SPD) matrix has attracted much attention in classification problems because of its remarkable performance, which is due to the underlying structure of the Riemannian manifold with non-negative curvature as well as the...

  • Article
  • Open Access
4,529 Views
14 Pages

A Method to Present and Analyze Ensembles of Information Sources

  • Nicholas M. Timme,
  • David Linsenbardt and
  • Christopher C. Lapish

21 May 2020

Information theory is a powerful tool for analyzing complex systems. In many areas of neuroscience, it is now possible to gather data from large ensembles of neural variables (e.g., data from many neurons, genes, or voxels). The individual variables...

  • Feature Paper
  • Article
  • Open Access
59 Citations
7,980 Views
31 Pages

Probabilistic Shaping for Finite Blocklengths: Distribution Matching and Sphere Shaping

  • Yunus Can Gültekin,
  • Tobias Fehenberger,
  • Alex Alvarado and
  • Frans M. J. Willems

21 May 2020

In this paper, we provide a systematic comparison of distribution matching (DM) and sphere shaping (SpSh) algorithms for short blocklength probabilistic amplitude shaping. For asymptotically large blocklengths, constant composition distribution match...

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Entropy - ISSN 1099-4300Creative Common CC BY license