Showing 20 of 375 academic articles
Mubarak Yakubova, Olga Manankova, Assel Mukasheva, Alimzhan Baikenov et al. • Applied Sciences
(2023)
The research problem described in this article is related to the security of an IP network that is set up between two cities using hosting. The network is used for transmitting telephone traffic between servers located in Germany and the Ne...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/app131910712
Qimao Liu, Jing Zhang, Liubin Yan • Shock and Vibration
(2012)
This paper developed an effective optimization method, i.e., gradient-Hessian matrix-based method or second order method, of frame structures subjected to the transient loads. An algorithm of first and second derivatives of dynamic displace...
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Open Access (DOAJ)
DOI: 10.3233/SAV-2012-0685
Ali Davoodi, Homayoun H. Zadeh, Morteza Daliri Joupari, Mohammad Ali Sahebalzamani et al. • AIP Advances
(2020)
Plasma surface treatment has a wide range of applications in biomedicine. In the present study, flat polylactic acid (PLA) films were treated with oxygen and nitrogen, low-pressure, non-thermal plasma. The water contact angle of the PLA fil...
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Open Access (DOAJ)
DOI: 10.1063/5.0022306
Silvia Dedu, Florentin Șerban • Entropy
(2026)
Traditional mean–variance portfolio optimization proves inadequate for cryptocurrency markets, where extreme volatility, fat-tailed return distributions, and unstable correlation structures undermine the validity of variance as a comprehens...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e28030285
Yeon-Moon Choo, Ji-Min Kim, Ik-Tae An • Entropy
(2021)
Since the 1960s, many rivers have been destroyed as a consequence of the process of rapid urbanization. As accurate figures are important to repair rivers, there have been many research reports on methods to obtain the exact river slope and...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e23080965
Luis A. Anchordoqui, Ignatios Antoniadis, Dieter Lüst • Physics Letters B
(2024)
Over the last few years, low- and high-redshift observations set off tensions in the measurement of the present-day expansion rate H0 and in the determination of the amplitude of the matter clustering in the late Universe (parameterized by ...
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Open Access (DOAJ)
DOI: 10.1016/j.physletb.2024.138775
Marcin Wieśniak • Entropy
(2025)
The measurement problem in quantum mechanics (QM) is related to the inability to include learning about the properties of a quantum system by an agent in the formalism of quantum theory. It includes questions about the physical processes be...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e27030248
J. P. George, L. Harenduprakash, M. Mohan • Annales Geophysicae
(2008)
Aerosol Optical Depth (AOD) data based on AVHRR and TOMS
was analyzed to find out the changes in the Indian Ocean from 1981 to 2004.
Four regions covering Indian Ocean north of 10° S were studied in
detail. The results strongly sugge...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/angeo-26-7-2008
Jesús Poza, María García, Javier Gomez-Pilar • Entropy
(2021)
A thorough and comprehensive understanding of the human brain ultimately depends on knowledge of large-scale brain organization[...]...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e23091157
Naotaka Yoshikawa, Kazuma Ogawa, Yoshua Hirai, Kohei Fujiwara et al. • Communications Physics
(2022)
Weyl semimetals exhibit a unique feature known as Weyl nodes, which give rise to non-trivial topological features such as an anomalous Hall effect, and there are many efforts to try and control such properties. Here, the authors report ligh...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s42005-022-01106-8
Raúl Toral • Entropy
(2009)
The volume of the body enclosed by the n-dimensional Lamé curve defined by Ʃni=1 xbi = E is computed....
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Open Access (DOAJ)
DOI: 10.3390/e11041121
J. Javier Brey, Vicente Buzón, Maria Isabel García de Soria, Pablo Maynar • Entropy
(2017)
The dynamics of a system of hard spheres enclosed between two parallel plates separated a distance smaller than two particle diameters is described at the level of kinetic theory. The interest focuses on the behavior of the quasi-two-dimens...
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Open Access (DOAJ)
DOI: 10.3390/e19020068
Andrea Murari, Michele Lungaroni, Emmanuele Peluso, Pasquale Gaudio et al. • Entropy
(2018)
Understanding the details of the correlation between time series is an essential step on the route to assessing the causal relation between systems. Traditional statistical indicators, such as the Pearson correlation coefficient and the mut...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e20090627
Matteo Fraschini, Simone Maurizio La Cava, Luca Didaci, Luigi Barberini • Entropy
(2020)
The idea of estimating the statistical interdependence among (interacting) brain regions has motivated numerous researchers to investigate how the resulting connectivity patterns and networks may organize themselves under any conceivable sc...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e23010005
Vikram S. Vijayaraghavan, Ryan G. James, James P. Crutchfield • Entropy
(2017)
Collective organization in matter plays a significant role in its expressed physical properties. Typically, it is detected via an order parameter, appropriately defined for each given system’s observed emergent patterns. Recent developments...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e19050214
Yijie Lv, Jiguang He, Weikai Xu, Lin Wang • Entropy
(2023)
In this article, a graph-theoretic method (taking advantage of constraints among sets associated with the corresponding parity-check matrices) is applied for the construction of a double low-density parity-check (D-LDPC) code (also known as...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e25081189
Manik Awale, Shrirang Pund, Hassan S. Bakouch, Aishwarya Ghodake et al. • Entropy
(2026)
In this article, we propose a first-order integer-valued autoregressive (INAR(1)) model based on binomial thinning, in which the innovation sequence follows a zero–one–two-modified Poisson (ZOTMPo) distribution. The proposed model accommoda...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e28080889
Kaiwen Shi, Haiyan Su, Xinlong Feng • Entropy
(2022)
In this article, we mainly consider a first order penalty finite element method (PFEM) for the 2D/3D unsteady incompressible magnetohydrodynamic (MHD) equations. The penalty method applies a penalty term to relax the constraint “∇·u=0”, whi...
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Open Access (DOAJ)
DOI: 10.3390/e24101395
Bob Rehder • Entropy
(2025)
A desirable property of any theory of causal reasoning is to explain not only why people make causal reasoning errors but also when they make them. The mutation sampler is a rational process model of human causal reasoning that yields norma...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e27060548
Ronald Stevens, Trysha Galloway, Donald Halpin, Ann Willemsen-Dunlap • Entropy
(2016)
Research on the microscale neural dynamics of social interactions has yet to be translated into improvements in the assembly, training and evaluation of teams. This is partially due to the scale of neural involvements in team activities, sp...
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Open Access (DOAJ)
DOI: 10.3390/e18120427