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Entropy, Volume 28, Issue 1

2026 January - 131 articles

Cover Story: Visual and generative data systems must ensure perceptual realism, in addition to low distortion and low latency. This work studies the fundamental trade-offs between rate, distortion, perception, and latency through a Shannon-theoretic framework based on randomized distributed function computation. We derive finite-blocklength achievable limits that quantify the cost of enforcing a target output probability distribution, which establishes how realism impacts rate and latency. The framework is extended to scenarios with shared side information and strong information-theoretic secrecy against an attacker, including settings with perfect realism constraints. These fundamental results provide principled design guidelines for low-latency, realism-aware, and secure data reconstruction systems. View this paper
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Articles (131)

  • Article
  • Open Access
134 Views
13 Pages

Some New Maximally Chaotic Discrete Maps

  • Hyojeong Choi,
  • Gangsan Kim,
  • Hong-Yeop Song,
  • Sangung Shin,
  • Chulho Lee and
  • Hongjun Noh

22 January 2026

In this paper, we first prove (Theorem 1) that any two inputs producing the same output in a symmetric pair of discrete skew tent maps always have the same parity, meaning that they are either both even or both odd. Building on this property, we then...

  • Article
  • Open Access
95 Views
26 Pages

Logarithmic-Size Post-Quantum Linkable Ring Signatures Based on Aggregation Operations

  • Minghui Zheng,
  • Shicheng Huang,
  • Deju Kong,
  • Xing Fu,
  • Qiancheng Yao and
  • Wenyi Hou

22 January 2026

Linkable ring signatures are a type of ring signature scheme that can protect the anonymity of signers while allowing the public to verify whether the same signer has signed the same message multiple times. This functionality makes linkable ring sign...

  • Article
  • Open Access
150 Views
12 Pages

22 January 2026

We introduce a new method for preparing a percolation system by employing an inverse percolation model. Unlike standard percolation, where the site occupancy is uniform, the new model imposes a distance-dependent probability of site removal, where si...

  • Article
  • Open Access
217 Views
13 Pages

The Physical Spectrum of a Driven Jaynes–Cummings Model

  • Luis Medina-Dozal,
  • Alejandro R. Urzúa,
  • Irán Ramos-Prieto,
  • Ricardo Román-Ancheyta,
  • Francisco Soto-Eguibar,
  • Héctor M. Moya-Cessa and
  • José Récamier

21 January 2026

We analyze the time-dependent physical spectrum of a driven Jaynes–Cummings model in which both the two-level system and the quantized cavity mode are subject to coherent classical driving. The time-dependent Hamiltonian is mapped, via well-def...

  • Article
  • Open Access
112 Views
12 Pages

Orientation-Modulated Hyperuniformity in Frustrated Vicsek–Kuramoto Systems

  • Yichen Lu,
  • Tong Zhu,
  • Yingshan Guo,
  • Yunyun Li and
  • Zhigang Zheng

21 January 2026

In the study of disordered hyperuniformity, which bridges ordered and disordered states and has broad implications in physics and biology, active matter systems offer a rich platform for spontaneous pattern formation. This work investigates frustrate...

  • Article
  • Open Access
122 Views
28 Pages

Optimization of Cryogenic Gas Separation Systems Based on Exergetic Analysis—The Claude–Heylandt Cycle for Oxygen Separation

  • Dănuț-Cristian Urduza,
  • Lavinia Grosu,
  • Alexandru Serban,
  • Adalia Andreea Percembli (Chelmuș) and
  • Alexandru Dobrovicescu

21 January 2026

In cryogenic air liquefaction systems, a major share of the mechanical energy consumption is associated with exergy destruction caused by heat transfer in recuperative heat exchangers. This study investigated the exergetic optimization of cryogenic g...

  • Article
  • Open Access
213 Views
16 Pages

20 January 2026

Millimeter-wave (mmWave) massive multiple-input, multiple-output (MIMO) systems are a cornerstone technology for integrated sensing and communication (ISAC) in sixth-generation (6G) mobile networks. These systems provide high-capacity backhaul while...

  • Article
  • Open Access
298 Views
42 Pages

20 January 2026

This work formalizes the notions of structure and pattern for three distinct one-dimensional spin-lattice models (finite-range Ising, solid-on-solid, and three-body), using information- and computation-theoretic methods. We begin by presenting a nove...

  • Article
  • Open Access
222 Views
17 Pages

20 January 2026

Public–private partnership (PPP) has been increasingly imported to deliver infrastructure and public services around the world. As an emerging public procurement mode, PPP has drawn considerable attention both from academy and industry. We cons...

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Entropy - ISSN 1099-4300