Results 31 to 40 of about 362,453 (271)

Homomorphism–homogeneous graphs [PDF]

open access: yesJournal of Graph Theory, 2010
AbstractWe answer two open questions posed by Cameron and Nesetril concerning homomorphism–homogeneous graphs. In particular we show, by giving a characterization of these graphs, that extendability to monomorphism or to homomorphism leads to the same class of graphs when defining homomorphism–homogeneity.
Rusinov, M., Schweitzer, P.
openaire   +3 more sources

Microstructural and Microhardness Evolution from Homogenization and Hot Isostatic Pressing on Selective Laser Melted Inconel 718: Structure, Texture, and Phases

open access: yesJournal of Manufacturing and Materials Processing, 2018
In this work, the microstructure, texture, phases, and microhardness of 45° printed (with respect to the build direction) homogenized, and hot isostatically pressed (HIP) cylindrical IN718 specimens are investigated.
Raiyan Seede   +4 more
doaj   +1 more source

Homogeneous and Non-homogeneous Algorithms [PDF]

open access: yes, 2012
This (full) paper was accepted for publication in the 13th Panhellenic Conference on Informatics (PCI 2009), 10-12 September 2009, Corfu, Greece (8 pages)
openaire   +2 more sources

An introduction to the qualitative and quantitative theory of homogenization

open access: yes, 2017
We present an introduction to periodic and stochastic homogenization of ellip- tic partial differential equations. The first part is concerned with the qualitative theory, which we present for equations with periodic and random coefficients in a unified ...
Neukamm, Stefan
core   +1 more source

Relative Homogenization of Climatic Time Series

open access: yesAtmosphere
Homogenization of the time series of observed climatic data aims to remove non-climatic biases caused by technical changes during the history of the climate observations.
Peter Domonkos
doaj   +1 more source

Are cryptocurrencies homogeneous? [PDF]

open access: yesEuropean Financial Management, 2019
AbstractThis article investigates if cryptocurrencies returns' are similarly affected by a selection of demand‐ and supply‐side determinants. Homogeneity among cryptocurrencies is tested via a least absolute shrinkage and selection operator (LASSO) model where determinants of Bitcoin returns are applied to a sample of 12 cryptocurrencies.
Bengtsson, Elias, Gustafsson, Frida
openaire   +1 more source

Mean Field Limits for Interacting Diffusions in a Two-Scale Potential [PDF]

open access: yes, 2017
In this paper we study the combined mean field and homogenization limits for a system of weakly interacting diffusions moving in a two-scale, locally periodic confining potential, of the form considered in~\cite{DuncanPavliotis2016}.
Gomes, S. N., Pavliotis, G. A.
core   +3 more sources

Creep of a C-S-H gel: a micromechanical approach

open access: yesAnais da Academia Brasileira de Ciências, 2010
Both clays and calcium silicate hydrates(the main hydration products of Portland cements) exhibit a microstructure made up of lamellar particles. The microscopic mechanism responsible for the macroscopic creep of such materials is often described as the ...
Julien Sanahuja, Luc Dormieux
doaj   +1 more source

Wave Polarization Control in Anisotropic Locally Resonant Materials

open access: yesApplied Sciences, 2023
Elastic wave propagation in solids can be controlled and manipulated by properly designed metamaterials. In particular, polarization conversion can be obtained by using anisotropic materials.
David Faraci   +3 more
doaj   +1 more source

Neumann Homogenization via Integro-Differential Operators, Part 2: singular gradient dependence

open access: yes, 2018
We continue the program initiated in a previous work, of applying integro-differential methods to Neumann Homogenization problems. We target the case of linear periodic equations with a singular drift, which includes (with some regularity assumptions ...
Guillen, Nestor, Schwab, Russell W.
core   +1 more source

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