Results 71 to 80 of about 3,659,008 (292)
Strong Chromatic Index of Chordless Graphs [PDF]
Journal of Graph Theory, 2014 AbstractA strong edge coloring of a graph is an assignment of colors to the edges of the graph such that for every color, the set of edges that are given that color form an induced matching in the graph. The strong chromatic index of a graph G, denoted by , is the minimum number of colors needed in any strong edge coloring of G.
Manu Basavaraju, Mathew C. Francis
openaire +4 more sources
Multi‐Biomimetic Structural Colors Inspired by Pearls and Bird Feathers
Advanced Materials, EarlyView.A dual‐biomimetic strategy mimicking pearls and bird feathers is proposed to construct full‐gamut structural colors. By integrating a non‐strictly periodic inorganic multilayer architecture with tunable light absorbers, this facile approach circumvents the complex fabrication of traditional 1D photonic crystals, offering immense potential for cosmetics,
Zhiwei Wang +12 more
wiley +1 more source
The chromatic index of cyclic Steiner 2-designs
International Journal of Mathematics and Mathematical Sciences, 1982 The number of colours needed to colour the blocks of a cyclic Steiner 2-design S(2,k,v) is at most v.
Charles J. Colbourn, Marlene J. Colbourn
doaj +1 more source
Algebraic Properties of Chromatic Polynomials and Their Roots [PDF]
, 2015 In this thesis we examine chromatic polynomials from the viewpoint of algebraic number theory. We relate algebraic properties of chromatic polynomials of graphs to structural properties of those graphs for some simple families of graphs.
Gilmore, Hamish Julian
core
On the chromatic index of outerplanar graphs [PDF]
, 1975 Vizing [Diskret. Analiz 3 (1964), 25–30] has shown that if ϱ denotes the maximum valency of a simple graph, then its chromatic index is either ϱ or ϱ + 1.
Fiorini, Stanley
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3D Printed Photon Shield Assembly for Low‐Noise Visual Stimulation During Two‐Photon Imaging in Mice
Advanced Materials Technologies, EarlyView.We present the Photon Shield, an open‐hardware system for low‐noise two‐photon calcium imaging during visual stimulation in mice. Combining a 3D‐printed headplate and rail‐mounted shield substantially reduces stray‐light contamination, as quantitatively verified. Functional validation confirms reliable cortical responses. Open design files enable broad
Gergely Katona +6 more
wiley +1 more source
Advanced Optical Materials, EarlyView.Bismuth nanogratings are fabricated by pulsed laser deposition onto the nanostructured silver and polycarbonate surfaces of DVDs. They display spectrally‐narrow plasmon resonances yielding vivid colors, which are strongly sensitive to the polarization of light, angle of incidence, nature of the underlying surface and of the surrounding medium (air or ...
Fernando Chacón‐Sánchez +5 more
wiley +1 more source
Functional evidence for cone-specific connectivity in the human retina [PDF]
, 2005 NoPhysiological studies of colour vision have not yet resolved the controversial issue of how chromatic opponency is constructed at a neuronal level. Two competing theories, the cone-selective hypothesis and the random-wiring hypothesis, are currently ...
McGraw, Paul V. +7 more
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On Vizing’s bound for the chromatic index of a multigraph
Discrete Mathematics, 2009 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Diego Scheide, Michael Stiebitz
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TacScope: A Miniaturized Vision‐Based Tactile Sensor for Surgical Applications
Advanced Robotics Research, EarlyView.TacScope is a compact, vision‐based tactile sensor designed for robot‐assisted surgery. By leveraging a curved elastomer surface with pressure‐sensitive particle redistribution, it captures high‐resolution 3D tactile feedback. TacScope enables accurate tumor detection and shape classification beneath soft tissue phantoms, offering a scalable, low‐cost ...
Md Rakibul Islam Prince +3 more
wiley +1 more source