Results 61 to 70 of about 1,008,318 (283)

Relatively hyperbolic groups are C*-simple

open access: yes, 2006
We characterize relatively hyperbolic groups whose reduced C*-algebra is simple as those, which have no non-trivial finite normal ...
Arzhantseva, G.   +5 more
core   +1 more source

Multi‐Parametric Fluorescence Spectroscopy for the Detection and Characterization of Plant‐Derived Protein Residues on 316L Stainless Steel

open access: yesAdvanced Materials Interfaces, EarlyView.
UV–vis fluorescence spectroscopy enables sensitive monitoring of plant protein adsorption on AISI 316L stainless steel under food‐processing‐relevant conditions. Spectral deconvolution reveals adsorption‐induced changes associated with protein–surface interactions and conformational alterations, demonstrating the potential of the technique for ...
Alexander Khort   +6 more
wiley   +1 more source

Voltage-adjustable terahertz hyperbolic metamaterial based on graphene and doped silicon

open access: yesAIP Advances, 2019
We propose a special structure of the hyperbolic metamaterial (HMM) in terahertz frequency range that is composed of graphene-dielectric multilayer fishnet and silicon-dielectric nanowire. The results based on the full-wave numerical simulation show that
H. T. Yan, W. Feng, Zheng Liu, J. C. Cao
doaj   +1 more source

Routing Strategy of Integrated Satellite-Terrestrial Network Based on Hyperbolic Geometry

open access: yesIEEE Access, 2020
The integrated satellite-terrestrial network has the characteristics of large scale, complex, high dynamic and heterogeneousness. Adopting traditional routing methods in the integrated satellite-terrestrial network will cause problems of poor scalability
Sai Lv   +9 more
doaj   +1 more source

Black hole attractors and U(1) Fayet-Iliopoulos gaugings: analysis and classification

open access: yesJournal of High Energy Physics, 2022
We classify the critical points of the effective black hole potential which governs the attractor mechanism taking place at the horizon of static dyonic extremal black holes in N $$ \mathcal{N} $$ = 2, D = 4 Maxwell-Einstein supergravity with U(1) Fayet ...
Davide Astesiano   +2 more
doaj   +1 more source

Spatial Stiffness Programming in Single‐Filament Material Extrusion Through Data‐Driven Thermal Foaming

open access: yesAdvanced Materials Technologies, EarlyView.
Single‐filament material extrusion enables spatial stiffness programming through locally controlled thermal foaming of TPU. A data‐driven G‐code framework tunes porosity from 15.7% to 40.7% and hardness from 90 to 63 Shore A within and across layers. Monolithic hands and soft actuators consequently achieve distinct programmed motions without material ...
Rosanna Rifino   +3 more
wiley   +1 more source

The spinor representation of constant mean curvature one surfaces in the Hyperbolic space [PDF]

open access: yes, 1970
We review and comment on some aspects of the spinor representation for constant mean curvature one surfaces in hyperbolic space developed by Bobenko-Pavlyukevich-Springborn in [1].
Nicolodi, Lorenzo   +4 more
core   +1 more source

Angled Nozzle Aerosol Jet Printing to Streamline Conformal Patterning of Electronics

open access: yesAdvanced Materials Technologies, EarlyView.
A modular, angled aerosol jet printhead is demonstrated to streamline patterning on nonplanar surfaces, including 90° step edges and confined internal geometries. A detailed analysis of gravitational settling for a sheathed aerosol flow and deconvolution of oblique deposition and gravitational effects supports the versatility of this approach for ...
Louis O. Morgan   +4 more
wiley   +1 more source

Dielectric Permittivity Tensor of Muscovite for Next Generation All Van Der Waals Broadband Photonic Components

open access: yesAdvanced Optical Materials, EarlyView.
Low‐index and low‐loss vdW muscovite represents an emerging robust dielectric platform for the creation of next‐generation all‐vdW nanophotonic architectures. Its utilization as a low‐index building‐block in all‐vdW multilayers enables extreme optical contrast when paired with MoS2, paving the way to the realization of few‐layer ultrathin DBS ...
Meri H. Hayrapetyan   +10 more
wiley   +1 more source

Euclidean decompositions of hyperbolic manifolds and their duals [PDF]

open access: yes, 2007
Epstein and Penner constructed in [EP88] the Euclidean decomposition of a non-compact hyperbolic n-manifold of finite volume for a choice of cusps, n >= 2. The manifold is cut along geodesic hyperplanes into hyperbolic ideal convex polyhedra.
Lukac, Sascha Georg
core  

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