Results 91 to 100 of about 21,234 (294)

Degree conditions for vertex switching reconstruction

open access: yesDiscrete Mathematics, 1996
This paper is related to the \(s\)-vertex switching reconstruction problem. If \(G= G(V,E)\) is a graph and \(U \subset V\), the switching \(G_U\) of \(G\) is the graph obtained from \(G\) by replacing all the edges between \(U\) and \(V \backslash U\) with the nonedges.
openaire   +1 more source

Tailoring Phonon‐Driven Responses in α‐MoO3 through Isotopic Enrichment

open access: yesAdvanced Materials, EarlyView.
ABSTRACT The implementation of polaritonic materials into nanoscale devices requires selective tuning of parameters to realize desired spectral or thermal responses. One robust material, α‐MoO3, an orthorhombic crystal boasting three distinct phonon dispersions, provides three polaritonic dispersions of hyperbolic phonon polaritons (HPhPs) across the ...
Thiago S. Arnaud   +31 more
wiley   +1 more source

Cell Adhesion by Design: Engineering Tissue Culture Scaffolds With Adhesion Cues

open access: yesAdvanced Materials Interfaces, EarlyView.
ABSTRACT In scaffold‐based tissue engineering, the matrix should provide adequate adhesion cues for cell attachment, spreading, and function. Given the multitude of adhesion receptors and the diversity of scaffolds, there are many approaches to render scaffolds adhesive, even though they are not all equivalent.
Dalia Dranseike   +3 more
wiley   +1 more source

A higher order control volume based finite element method to prodict the deformation of heterogeneous materials

open access: yes, 2013
Materials with obvious internal structure can exhibit behaviour, under loading, that cannot be described by classical elasticity. It is therefore important to develop computational tools incorporating appropriate constitutive theories that can capture ...
Wheel, Marcus   +2 more
core   +1 more source

Rigidity of epithelial tissues as a double optimization problem

open access: yesPhysical Review Research
How do cells tune emergent properties at the scale of tissues? One class of such emergent behaviors are rigidity transitions, in which a tissue changes from a solidlike to a fluidlike state or vice versa. Here we introduce a way for a tissue described by
Sadjad Arzash   +3 more
doaj   +1 more source

Hierarchical Structure and Fabrication of Functionally Graded Biointerfaces in the Mussel Byssus

open access: yesAdvanced Materials Interfaces, EarlyView.
The byssus is a fibrous protein‐based holdfast consisting of mechanically distinct interfaces, which mussels use to anchor their soft living tissue to hard seashore surfaces. Here, multiscale methodologies were used to elucidate the compositional and structural features underlying these functionally graded interfaces and how they are fabricated through
Lucia Youssef   +4 more
wiley   +1 more source

Random graphs with forbidden vertex degrees

open access: yes, 2007
We study the random graph Gn,λ/n conditioned on the event that all vertex degrees lie in some given subset S of the nonnegative integers. Subject to a certain hypothesis on S, the empirical distribution of the vertex degrees is asymptotically Poisson ...
Geoffrey Grimmett, Svante Janson
core  

Thermal Radiation Emission From 3D Graphene Networks

open access: yesAdvanced Materials Interfaces, EarlyView.
Three‐dimensional graphene networks are demonstrated as exceptional broadband thermal emitters, exhibiting high‐intensity, spectrally homogeneous emission and strong mechanical flexibility compared to conventional emitters like silicon carbide.
Maria Chiara Paolozzi   +7 more
wiley   +1 more source

Differences in boundary behavior in the 3D vertex and Voronoi models.

open access: yesPLoS Computational Biology
An important open question in the modeling of biological tissues is how to identify the right scale for coarse-graining, or equivalently, the right number of degrees of freedom.
Elizabeth Lawson-Keister   +4 more
doaj   +1 more source

A case of limit behaviour of vertex degrees in conditional configuration graphs

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2017
We consider configuration graphs with N vertices. The degrees of the verticesare independent identically distributed random variables according to power-lawdistribution with positive parameter .
Yury Pavlov
doaj   +1 more source

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