Articles with "topological structure" as a keyword



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Topological structure regularized nonnegative matrix factorization for image clustering

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Published in 2018 at "Neural Computing and Applications"

DOI: 10.1007/s00521-018-3572-4

Abstract: Image representation is supposed to reveal the distinguishable feature and be captured in unsupervised fashion. Recently, nonnegative matrix factorization (NMF) has been widely used in capturing the parts-based feature for image representation. Previous NMF variants… read more here.

Keywords: image; topological structure; number; image clustering ... See more keywords
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Topological structure of the solution set for fractional non-instantaneous impulsive evolution inclusions

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Published in 2018 at "Journal of Fixed Point Theory and Applications"

DOI: 10.1007/s11784-018-0534-5

Abstract: In this paper, we study the topological structure of the solution set for fractional non-instantaneous impulsive evolution inclusions on a compact interval. We show that the solution set for our problem is nonempty, compact and… read more here.

Keywords: solution set; set fractional; structure solution; topological structure ... See more keywords
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Topological structure of a class of planar self-affine sets

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Published in 2017 at "Journal of Mathematical Analysis and Applications"

DOI: 10.1016/j.jmaa.2016.09.016

Abstract: Abstract Let T = T ( A , D ⁎ ) be a disk-like Z 2 -tile generated by an expanding 2 × 2 matrix A and a digit set D ⁎ ⊂ Z 2… read more here.

Keywords: structure class; planar self; affine sets; topological structure ... See more keywords
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A new topological structure for the Langevin‐type ultrasonic transducer

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Published in 2017 at "Ultrasonics"

DOI: 10.1016/j.ultras.2016.11.008

Abstract: HighlightsA method to substantially improve the performance of an ultrasonic transducer is proposed.The method is based on a novel structure design of the terminal mass.The vibration, temperature rise and energy efficiency have been improved. ABSTRACT… read more here.

Keywords: structure langevin; topological structure; ultrasonic transducer; transducer ... See more keywords
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Topological structure of implicit Boolean networks

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Published in 2017 at "Iet Control Theory and Applications"

DOI: 10.1049/iet-cta.2016.1658

Abstract: In this study, implicit Boolean networks (IBNs), which are more general than classic BNs, are proposed for the first time motivated by the river-crossing decision problem. By resorting to the admissible set, some necessary and… read more here.

Keywords: structure implicit; topological structure; bns; boolean networks ... See more keywords
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Topological structure and COVID-19 related risk propagation in TFT-LCD supply networks

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Published in 2022 at "International Journal of Production Research"

DOI: 10.1080/00207543.2022.2027039

Abstract: Thin-film-transistor liquid-crystal displays (TFT-LCDs) have gained popularity due to their widespread use in the production of televisions, laptops, and iPads. TFT-LCD firms’ activities that build relationships with suppliers and customers contribute to the emergence of… read more here.

Keywords: tft lcd; supply networks; supply; topological structure ... See more keywords
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Topological structure and the H index in complex networks.

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Published in 2017 at "Physical Review E"

DOI: 10.1103/physreve.95.022301

Abstract: The generalized H(n) Hirsch index of order n has been recently introduced and shown to interpolate between the degree and the K-core centrality in networks. We provide a detailed analytic characterization of the properties of… read more here.

Keywords: structure index; index complex; index; hirsch ... See more keywords
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Effect of γ-irradiation on the molecular–topological structure of a copolymer of tetrafluoroethylene and perfluoro(propyl vinyl ether)

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Published in 2017 at "High Energy Chemistry"

DOI: 10.1134/s0018143917030110

Abstract: The molecular–topological structure of a copolymer of tetrafluoroethylene and perfluoro(propyl vinyl ether) before and after γ-irradiation has been studied for the first time. The pseudo-network structure of the copolymer contains an amorphous block and the… read more here.

Keywords: irradiation; structure copolymer; molecular topological; topological structure ... See more keywords
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Molecular–topological structure of tetrafluoroethylene–perfluoromethylvinyl ether copolymer irradiated with MeV protons

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Published in 2017 at "High Energy Chemistry"

DOI: 10.1134/s0018143917050022

Abstract: The molecular–topological structure of a copolymer of tetrafluoroethylene and perfluoromethylvinyl ether has been studied for the first time before and after irradiation with 1- and 4-MeV protons. The pseudo-network structure of the copolymer contains an… read more here.

Keywords: molecular topological; topological structure; tetrafluoroethylene perfluoromethylvinyl; structure ... See more keywords
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Broadband Electromagnetic Absorption Effect of Topological Structure Using Carbon Nanotube Based Hybrid Material

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Published in 2022 at "Materials"

DOI: 10.3390/ma15144983

Abstract: The development of microwave absorbing technology raises the demands for all-band absorption. The topological structures expand the frequency range of electromagnetic wave absorption and eliminate the differences caused by scattering in different incident directions. The… read more here.

Keywords: hybrid material; absorption; carbon nanotube; topological structure ... See more keywords
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Topological Structure of Solution Set to a Fractional Differential Inclusion Problem with Delay

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Published in 2022 at "Symmetry"

DOI: 10.3390/sym14040792

Abstract: In this paper, we investigate the topological structure of the solution set to a fractional differential inclusion with delay defined on the half-line. We first prove that the solution set to the inclusion is an… read more here.

Keywords: structure solution; set fractional; solution set; topological structure ... See more keywords