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In this paper, a balanced energy consumption clustering algorithm (BECC) is proposed. This new scheme is a cluster-based algorithm designed for heterogeneous energy wireless sensor networks. A polarized energy factor is introduced to adjust…

Signal Processing · Electrical Eng. & Systems 2019-01-17 Xiaofu Ma , Yu Fang , Xingzhen Bai

Clustering problems are considered amongst the prominent challenges in statistics and computational science. Clustering of nodes in wireless sensor networks which is used to prolong the life-time of networks is one of the difficult tasks of…

Artificial Intelligence · Computer Science 2015-06-02 Reza Azizi , Hasan Sedghi , Hamid Shoja , Alireza Sepas-Moghaddam

Power consumption is a major limitation in the downlink of multibeam satellite systems, since it has a significant impact on the mass and lifetime of the satellite. In this context, we study a new energy-aware power allocation problem that…

Networking and Internet Architecture · Computer Science 2020-02-11 Christos N. Efrem , Athanasios D. Panagopoulos

This article critically investigates the limitations of the simulated annealing algorithm using probabilistic bits (pSA) in solving large-scale combinatorial optimization problems. The study begins with an in-depth analysis of the pSA…

Emerging Technologies · Computer Science 2026-01-23 Naoya Onizawa , Takahiro Hanyu

Clustering techniques create hierarchal network structures, called clusters, on an otherwise flat network. In a dynamic environment-in terms of node mobility as well as in terms of steadily changing device parameters-the clusterhead…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-06-11 Matthias R. Brust , Adrian Andronache , Steffen Rothkugel

The alpha-cluster states of $^{22}$Ne are studied within the framework of the semimicroscopic algebraic cluster model (SACM). The band structure, energy spectrum as well as E2 and E1 transitions are calculated and are compared with the…

Nuclear Theory · Physics 2015-06-16 G. Lévai

We propose an adiabatic reweighting algorithm for computing the free energy along an external parameter from adaptive molecular dynamics simulations. The adaptive bias is estimated using Bayes identity and information from all the sampled…

Statistical Mechanics · Physics 2014-04-08 Lingling Cao , Gabriel Stoltz , Tony Lelièvre , Mihai-Cosmin Marinica , Manuel Athènes

We examine a new method for predicting the atomization energies of Au13+ clusters by a nonlinear regression model using interatomic and centroid distances as descriptors to improve the efficiency of density-functional theory calculations.…

Materials Science · Physics 2019-03-08 Yasuharu Okamoto

We make use of $N$-body simulations to determine the relationship between two observable parameters that are used to quantify mass segregation and energy equipartition in star clusters. Mass segregation can be quantified by measuring how…

Astrophysics of Galaxies · Physics 2016-10-12 Jeremy J. Webb , Enrico Vesperini

The binding energies of n < 100 carbon clusters are calculated using the ab-initio density functional theory code Quantum Espresso. Carbon cluster geometries are determined using several levels of classical techniques and further refined…

Solar and Stellar Astrophysics · Physics 2015-06-23 Christopher Mauney , Marco Buongiorno Nardelli , Davide Lazzati

We present an atomic cluster expansion (ACE) for carbon that improves over available classical and machine learning potentials. The ACE is parameterized from an exhaustive set of important carbon structures at extended volume and energy…

Materials Science · Physics 2023-06-13 Minaam Qamar , Matous Mrovec , Yury Lysogorskiy , Anton Bochkarev , Ralf Drautz

In this paper we describe a method to generate amorphous structures with arbitrary structural constraints. This method employs the Simulated Annealing algorithm to minimize a simple yet carefully tailored Cost Function (CF). The Cost…

Materials Science · Physics 2010-09-14 F. H. Jornada , V. Gava , A. L. Martinotto , L. A. Cassol , C. A. Perottoni

Community detection has attracted increasing attention during the past decade, and many algorithms have been proposed to find the underlying community structure in a given network. Many of these algorithms are based on modularity…

Optimization and Control · Mathematics 2015-01-27 Necdet Serhat Aybat , Sahar Zarmehri , Soundar Kumara

Wet granular materials are characterized by a defined bond energy in their particle interaction such that breaking a bond implies an irreversible loss of a fixed amount of energy. Associated with the bond energy is a nonequilibrium…

Soft Condensed Matter · Physics 2009-05-15 Stephan Ulrich , Timo Aspelmeier , Klaus Roeller , Axel Fingerle , Stephan Herminghaus , Annette Zippelius

Multi-echo Chemical Shift Encoded methods for Fat-Water quantification are growing in clinical use due to their ability to estimate and correct some confounding effects. State of the art CSE water-fat separation approaches rely on a…

Medical Physics · Physics 2017-06-15 Giulio Siracusano , Aurelio La Corte , Michele Gaeta , Giovanni Finocchio

Structure factor twist averaging (sfTA) is a newer method that has been shown to reproduce twist-averaged (TA) CCSD energies for bulk systems at a low computational cost. In this work, we extend this method for the treatment of…

Materials Science · Physics 2026-04-28 Ryan A. Baker , William Z. Van Benschoten , James J. Shepherd

The Algebraic Cluster Model(ACM) is an interacting boson model that gives the relative motion of the cluster configurations in which all vibrational and rotational degrees of freedom are present from the outset. We schemed a solvable…

Nuclear Theory · Physics 2019-07-23 M. Ghapanvari , N. Amiri , M. A. Jafarizadeh

Clustering of proteins is of interest in cancer cell biology. This article proposes a hierarchical Bayesian model for protein (variable) clustering hinging on correlation structure. Starting from a multivariate normal likelihood, we enforce…

Computation · Statistics 2022-02-09 Riddhi Pratim Ghosh , Arnab Kumar Maity , Mohsen Pourahmadi , Bani K. Mallick

The thermochemistry of the carbon clusters C$_n$ (n=2--10) has been revisited by means of W4 theory and W3.2lite theory. Particularly the larger clusters exhibit very pronounced post-CCSD(T) correlation effects. Despite this, our best…

Chemical Physics · Physics 2010-08-26 Amir Karton , Alex Tarnopolsky , Jan M. L. Martin

Enzymes and proteins are live driven biochemicals, which has a dramatic impact over the environment, in which it is active. So, therefore, it is highly looked-for to build such a robust and highly accurate automatic and computational model…

Biomolecules · Quantitative Biology 2021-01-11 Zaheer Ullah Khan , Dechang Pi , Izhar Ahmed Khan , Asif Nawaz , Jamil Ahmad , Mushtaq Hussain