Showing 241 - 260 results of 645 for search '"Computational complexity theory', query time: 0.08s Refine Results
  1. 241

    Lattice physics approaches for neural networks by Giampiero Bardella, Simone Franchini, Pierpaolo Pani, Stefano Ferraina

    Published 2024-12-01
    “…Summary: Modern neuroscience has evolved into a frontier field that draws on numerous disciplines, resulting in the flourishing of novel conceptual frames primarily inspired by physics and complex systems science. Contributing in this direction, we recently introduced a mathematical framework to describe the spatiotemporal interactions of systems of neurons using lattice field theory, the reference paradigm for theoretical particle physics. …”
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  2. 242

    Permission clustering-based attribute value optimization by Wenchao WU, Zhiyu REN, Xuehui DU

    Published 2021-08-01
    “…In new large-scale computing environment, the attributes of entities were massive and they had complex sources and uneven quality, which were great obstacles to the application of ABAC (attribute-based access control).The attributes were also hard to be corrected manually, making it difficult to be applied in access control system straightly.To solve the optimization problem of nominal attributes, a novel algorithm of attribute value optimization based on permission clustering was designed, in which entities were presented by the privilege set related to them.So that the entities were tagged by density-based clustering method with distances of their privilege set presentations.Then the attribute values were reduced and corrected based on rough set theory.Finally, the algorithm was verified on UCI data sets, which proved that after applying it, ABAC policy mining was improved in the evaluation criteria, such as the true positive rate and F1-score.…”
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    Development of a model of an electrical complex for gas air cooling devices of gas field №1 gazprom dobycha Yamburg LLC with a centralized power supply system in the MATLAB/SIMULIN... by L. R. Maskov, V. Y. Kornilov

    Published 2022-06-01
    “…The results presented in work are received with use of methods of the theory of electric and magnetic circuits, the theory of electric drive and electric machines, methods of optimization of power supply systems, analytical and numerical methods of applied mathematics, methods of mathematical and computer modeling.RESULTS. …”
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  5. 245

    Light-ray wave functions and integrability by Alexandre Homrich, David Simmons-Duffin, Pedro Vieira

    Published 2024-10-01
    “…This construction allows us to directly compute analytically continued CFT data at complex spin. …”
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    Eye pupils mirror information divergence in approximate inference by Aya Shirama, Sou Nobukawa, Tomiki Sumiyoshi

    Published 2024-12-01
    “…A recent article suggested the potential to unify findings in pupillometry studies based on an information theory framework and Bayesian methods. However, Bayesian methods become computationally intractable in many realistic situations. …”
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    Quantum Fuzzy Inference Engine for Particle Accelerator Control by Giovanni Acampora, Michele Grossi, Michael Schenk, Roberto Schiattarella

    Published 2024-01-01
    “…Recently, quantum computing has been proven as an ideal theory for the design of fuzzy inference engines, thanks to its capability to efficiently solve the rule explosion problem. …”
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    Limits and Risks of Digital Transformation by T. S. Akhromeeva, G. G. Malinetskiy, S. A. Posashkov

    Published 2020-07-01
    “…This process has a number of restrictions and risks we consider. The mathematical theory of complexity reveals a large class of the restrictions. …”
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    Analytical solution of surrounding rock stress and plastic zone of rectangular roadway under non-uniform stress field by Renliang Shan, Haobo Bai, Yongzhen Li, Haotian Wu, Peng Sun, Xinpeng Zhao, Haoyu Dou, Hailong Wang

    Published 2024-11-01
    “…Abstract The shape and extent of the plastic zone can effectively reflect the degree of deformation and failure of the surrounding rock. By applying complex variable functions and the theory of elasticity, a mechanical model for the surrounding rock of a rectangular roadway is established. …”
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  16. 256

    Design of hybridly-connected hybrid precoding in millimeter-wave massive MIMO system by Hongyu ZHAO, Hongyan YAO

    Published 2020-03-01
    “…In order to improve the spectral efficiency of hybridly-connected hybrid precoding,the optimal hybrid precoding matrix under the ideal conditions was firstly obtained by using the principle of successive interference cancellation (SIC).Secondly,the optimal hybrid precoding matrix was decomposed into the digital precoding matrix and the analog precoding matrix by using the gradient descent theory.Finally,considering the constant modulus constraint condition of the analog precoding matrix,the digital and analog precoding matrices were optimized by using the alternating minimization method aim to maximize the spectral efficiency.Due to the hybridly-connected structure,the proposed hybrid precoding design algorithm is significantly superior to the partially-connected and fully-connected hybrid precoding in terms of the system energy efficiency.Meanwhile,the algorithm does not increase any hardware complexity and only increases a small amount of computation of the hybridly-connected hybrid precoding.Computer simulation results exhibit that the proposed algorithm can improve the system spectral efficiency of the hybridly-connected hybrid precoding,and the upgrade of spectral efficiency is more significant especially in the conditions that the number of radio frequency (RF) links is greater than the number of data streams.Since the sub-blocks are not necessary to satisfy orthogonality conditions,the proposed algorithm is more suitable for practical application than the existing hybridly-connected hybrid precoding.…”
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  17. 257

    Acoustic waves in gas-filled structured porous media: Asymptotic tortuosity/compliability and characteristic-lengths reevaluated to incorporate the influence of spatial dispersion by Lafarge D.

    Published 2024-01-01
    “…This study extends efforts to incorporate spatial dispersion into Biot-Allard’s theory, with a focus on poroelastic media with intricate microgeometries where spatial dispersion effects play a significant role. …”
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