Results 1 to 10 of about 2,615,568 (274)

Homogenous rivers, homogenous faunas [PDF]

open access: yesProceedings of the National Academy of Sciences, 2007
Habitat change and invasions of alien species are usually listed as the two biggest causes of biodiversity loss. When the two coincide, the results can be devastating, because altered habitat often favors alien species adapted to the changed conditions.
Peter B, Moyle, Jeffrey F, Mount
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Mediated homogenization [PDF]

open access: yesPhysical Review A, 2007
Homogenization protocols model the quantum mechanical evolution of a system to a fixed state independently from its initial configuration by repeatedly coupling it with a collection of identical ancillas. Here we analyze these protocols within the formalism of "relaxing" channels providing an easy to check sufficient condition for homogenization.
BURGARTH D, GIOVANNETTI, VITTORIO
openaire   +4 more sources

Homogeneous behaviors [PDF]

open access: yesMathematics of Control, Signals, and Systems, 1997
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ravi, M, Rosenthal, J, Schumacher, J
openaire   +4 more sources

Homogeneous algebras

open access: yesJournal of Algebra, 2003
Various concepts associated with quadratic algebras admit natural generalizations when the quadratic algebras are replaced by graded algebras which are finitely generated in degree 1 with homogeneous relations of degree N. Such algebras are referred to as {\sl homogeneous algebras of degree N}.
Berger, Roland   +2 more
openaire   +4 more sources

Homogeneity Pursuit [PDF]

open access: yesJournal of the American Statistical Association, 2015
This paper explores the homogeneity of coefficients in high-dimensional regression, which extends the sparsity concept and is more general and suitable for many applications. Homogeneity arises when regression coefficients corresponding to neighboring geographical regions or a similar cluster of covariates are expected to be approximately the same ...
Tracy, Ke, Jianqing, Fan, Yichao, Wu
openaire   +2 more sources

“Homogenization with non‐homogeneous plastic flow”

open access: yesInternational Journal for Numerical and Analytical Methods in Geomechanics, 2023
AbstractThis paper provides the solution of a homogenization model that simultaneously considers the plastic and elastic strain fields in a single analytical formulation. In addition, the authors aim to decouple plastic flows triggered in the inclusions, in the matrix at the interfaces with the inclusions, and in the matrix at a large distance from the
Anglade, Elsa   +3 more
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Homothety curvature homogeneity and homothety homogeneity [PDF]

open access: yesAnnals of Global Analysis and Geometry, 2015
This article supersedes arXiv:1309 ...
García-Río, E.   +2 more
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Homogeneous bands [PDF]

open access: yesAdvances in Mathematics, 2018
A countable band $B$ is called homogeneous if every isomorphism between finitely generated subbands extends to an automorphism of $B$. In this paper we give a complete classification of all the homogeneous bands. We prove that a homogeneous band belongs to the variety of regular bands, and has a homogeneous structure semilattice.
openaire   +3 more sources

Symplectic Homogenization

open access: yesJournal de l’École polytechnique — Mathématiques, 2022
Let H(q,p) be a Hamiltonian on T * T n . Under suitable assumptions on H, we show that the sequence (H k ) k≥1 defined by H k (q,p)=H(kq,p) converges in the γ-topology—defined in [Vit92]—to an integrable continuous Hamiltonian H ¯(p). This is extended to the case of non-autonomous Hamiltonians, and the more general setting in which only some of the ...
openaire   +2 more sources

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

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