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66 resultados encontrados.

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Topology optimization of 2D potential problems using boundary elements
Artículo
Acceso abierto Artículo CONICET Digital
Cisilino, Adrian Pablo · Tech Science Press · 2006 · ISSN 1526-1492
Topological Optimization provides a powerful framework to obtain the optimal domain topology for several engineering problems. The Topological Derivative is a function which characterizes the sensitivity of a given probl...
Idioma eng
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Open Access
Topology and Photoelectric Properties of Heterostructure p-GaTe – n-InSe
Artículo
Acceso abierto Artículo DOAJ
V. M. Katerynchuk et al · Vasyl Stefanyk Carpathian National University · 2017 · ISSN 1729-4428
We investigated the photoelectrical properties of the heterojunctions p-GaTe – n-InSe fabricated by the method of mechanical contact of GaTe oxidized plate with van der Waals surface of InSe. The AFM-images revealed th...
LCC TENDOlBoeXNpY3M~Idioma eng
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Designing photonic topological insulators with quantum-spin-Hall edge states using topology optimization
Artículo
Material complementario disponible Artículo DOAJ
Christiansen Rasmus E. et al · Wiley · 2019 · ISSN 2192-8606
Designing photonic topological insulators (PTIs) is highly non-trivial because it requires inversion of band symmetries around the band gap, which was so far done using intuition combined with meticulous trial and error....
LCC TENDOlBoeXNpY3M~Idioma eng
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Material complementario
Multi-task topology optimization of photonic devices in low-dimensional Fourier domain via deep learning
Artículo
Acceso abierto Artículo DOAJ
Mao Simei et al · Wiley · 2022 · ISSN 2192-8614
Silicon photonics enables compact integrated photonic devices with versatile functionalities and mass manufacturing capability. However, the optimization of high-performance free-form optical devices is still challenging...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Optimized topology control for large-scale IoT networks using graph-based localization
Artículo
Material complementario disponible Artículo DOAJ
Indrakshi Dey et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract Internet of Things (IoT) is increasingly realized through large scale deployments of heterogeneous devices and gateways operating under strict energy budgets and interference limited links, which motivates relia...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Material complementario
A three-level isolated AC–DC PFC power converter topology with a reduced number of switches
Artículo
Acceso abierto Artículo CONICET Digital
Aldosari, Obaid et al · Institute of Electrical and Electronics Engineers Inc · 2021 · ISSN 1052-1063
The main objective of this research work is to develop a new low-cost isolated three-level ac-dc power converter topology with a reduced number of switches. Existing three-level converter topologies change ac power to dc...
Idioma eng
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Detection of Strong Gravitational Lenses with a Lens–Topology Relation and Arc-assisted Annotations
Artículo
Acceso abierto Artículo DOAJ
Junyu Meng et al · IOP Publishing · 2026 · ISSN 0067-0049
Strong gravitational lenses serve as powerful probes for cosmology and the mass distribution of galaxies. However, identifying these rare systems is often hindered by inaccurate localization and confusion with morphologi...
LCC TENDOkFzdHJvcGh5c2ljcw~~Idioma eng
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From dark modes to topology: light-induced skyrmion generation in a plasmonic nanostructure through the inverse faraday effect
Artículo
Acceso abierto Artículo DOAJ
Yang Xingyu et al · Wiley · 2025 · ISSN 2192-8614
Skyrmions are topological structures characterized by a winding vectorial configuration that provides a quantized topological charge. In magnetic materials, skyrmions are localized spin textures that exhibit unique stabi...
LCC TENDOlBoeXNpY3M~Idioma eng
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Novel heterometallic uranyl-transition metal materials: Structure, topology, and solid state photoluminescence properties
Artículo
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Gomez, Germán Ernesto et al · American Chemical Society · 2019 · ISSN 7243-7254
Six new uranyl hybrid materials have been synthesized solvothermally utilizing the ligands 2,2′-bipyridine-3,3′-dicarboxylic acid (H2L) and 2,2′:6′,2′′-terpyridine (TPY). The six compounds are classified as e...
Idioma eng
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Novel non-plasmonic nanolasers empowered by topology and interference effects
Artículo
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Hwang Min-Soo et al · Wiley · 2021 · ISSN 2192-8614
Historically, nanophotonics deals with a control of light at the nanoscale being closely connected with the rapid advances in plasmonics – the physics of surface plasmon polaritons supported by metal–dielectric inte...
LCC TENDOlBoeXNpY3M~Idioma eng
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Separation Axioms and Their Descriptions Within the Framework of Fuzzy Soft Topology Defined on Fuzzy Soft Sets
Artículo
Acceso abierto Artículo DOAJ
S. Saleh et al · Wiley · 2026 · ISSN 1687-0425
In recent years, fuzzy soft topology has emerged as a powerful approach that contributes significantly to advancing practical applications in uncertain environments, especially in information systems design, predictive m...
LCC LCC:MathematicsIdioma eng
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Open Access
TDM-Net: Topology-Enhanced Dynamic Memory Network for Skin Lesion Segmentation
Artículo
Acceso abierto Artículo DOAJ
Shaoliang Wang et al · IEEE · 2026 · ISSN 2169-3536
Skin lesion segmentation poses a challenging problem in medical image analysis, with segmentation performance being highly sensitive to blurred boundaries, noise interference, and morphological diversity. To address thes...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Thermocatalytic oxidation of low concentration methane on different zeolites – The effect of topology and Si/Al ratio
Artículo
Material complementario disponible Artículo DOAJ
Yuyin Wang et al · Elsevier · 2026 · ISSN 0378-3820
Zeolite-based catalysts, owing to their adjustable acidity, high thermal stability, and well-defined microporous frameworks, play a crucial role in thermocatalytic processes such as hydrocarbon conversion and environment...
LCC TENDOkZ1ZWw~; TENDOlJlbmV3YWJsZSBlbmVyZ3kgc291cmNlcw~~Idioma eng
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A topology-based bounded rationality day-to-day traffic assignment model
Artículo
Acceso abierto Artículo DOAJ
Enrico Siri et al · Tsinghua University Press · 2022 · ISSN 2772-4247
This paper analyzes the day-to-day adjustment process of users’ behaviors in a transport network which is affected by relevant alterations such as disruptions due to critical events which cause the impossibility to use...
LCC LCC:Transportation engineeringIdioma eng
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A Field Study Using Some Properties and Applications of Soft ii-Open Sets
Artículo
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Aveen Dawod et al · University of Mosul, College of Education for Pure Science · 2024 · ISSN 1812-125X
In this research, we presented a new method for collecting data and performing calculations to obtain the required results differently from what have been studied before. In the beginning, we introduce new types of soft ...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Design and Experimental Validation of a 25-kW Dual DAB–CLLC Bidirectional DC/DC Converter With an Ultrawide 200–1000 V Operating Range
Artículo
Material complementario disponible Artículo DOAJ
Jeong-Won Yeom et al · IEEE · 2026 · ISSN 2169-3536
This article presents the design and experimental validation of a 25-kW bidirectional DC/DC converter employing a dual DAB-CLLC resonant architecture to achieve high efficiency across an ultrawide 200–1000-V opera...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Material complementario
Inverse design of nonlinear metasurfaces for sum frequency generation
Artículo
Acceso abierto Artículo DOAJ
Li Neuton et al · Wiley · 2024 · ISSN 2192-8614
Sum frequency generation (SFG) has multiple applications, from optical sources to imaging, where efficient conversion requires either long interaction distances or large field concentrations in a quadratic nonlinear mate...
LCC TENDOlBoeXNpY3M~Idioma eng
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On the optimization of copy number variations representation in pangenome graphs
Artículo
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Mirko Coggi et al · Frontiers Media S.A · 2026 · ISSN 2673-7647
Graph-based pangenome references often misrepresent Copy Number Variations (CNVs) and Variable Number Tandem Repeats (VNTRs) as alternative acyclic paths, which hinders downstream analyses, degrades alignment behavior, a...
LCC TENDOkNvbXB1dGVyIGFwcGxpY2F0aW9ucyB0byBtZWRpY2luZS4gTWVkaWNhbCBpbmZvcm1hdGljcw~~Idioma eng
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Skyrmion bag robustness in plasmonic bilayer and trilayer moiré superlattices
Artículo
Material complementario disponible Artículo DOAJ
Schwab Julian et al · Wiley · 2025 · ISSN 2192-8614
Twistronics is studied intensively in twisted 2D heterostructures and its extension to trilayer moiré structures has proven beneficial for the tunability of unconventional correlated states and superconductivity in twis...
LCC TENDOlBoeXNpY3M~Idioma eng
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Topological and Shape Optimization of Flexure Hinges for Designing Compliant Mechanisms Using the Level Set Method
Artículo
Acceso abierto Artículo DOAJ
Benliang Zhu et al · KeAi Communications Co., Ltd · 2019 · ISSN 1000-9345
Abstract A flexure hinge is a major component in designing compliant mechanisms that offers unique possibilities in a wide range of application fields in which high positioning accuracy is required. Although various flex...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma eng
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Electrically defined topological interface states of graphene surface plasmons based on a gate-tunable quantum Bragg grating
Artículo
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Fan Zhiyuan et al · Wiley · 2019 · ISSN 2192-8606
A periodic metagate is designed on top of a boron nitride-graphene heterostructure to modulate the local carrier density distribution on the monolayer graphene. This causes the bandgaps of graphene surface plasmon polari...
LCC TENDOlBoeXNpY3M~Idioma eng
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Photonic flat-band lattices and unconventional light localization
Artículo
Acceso abierto Artículo DOAJ
Tang Liqin et al · Wiley · 2020 · ISSN 2192-8606
Flat-band systems have attracted considerable interest in different branches of physics in the past decades, providing a flexible platform for studying fundamental phenomena associated with completely dispersionless band...
LCC TENDOlBoeXNpY3M~Idioma eng
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Seeking the truth behind the myth: Argonaute tales from “nuclearland”
Artículo
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Nazer, Ezequiel et al · Cell Press · 2022 · ISSN 1097-2765
Argonaute proteins have been traditionally characterized as a highly evolutionary conserved family engaged in post-transcriptional gene silencing pathways. The Argonaute family is mainly grouped into the AGO and PIWI cla...
Idioma eng
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A strategy to compute critical surfaces in highly asymmetrical ternary systems
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Pisoni, Gerardo Oscar et al · Elsevier Science · 2024 · ISSN 0896-8446
This work shows that predicting, using a model, the topology and even the existence range of the critical behavior in an asymmetrical ternary system, is practically impossible without a systematic strategy to build throu...
Idioma eng
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