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18 résultats avec le mot-clé: 'extremal domains eigenvalue laplace beltrami operator'

Extremal domains for the first eigenvalue of the Laplace-Beltrami operator

Druet [1] has proved that for small volumes (i.e. τ > 0 small), the solutions of the isoperimetric problem are close (in a sense to be made precise) to geodesic spheres of

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Extremal domains of big volume for the first eigenvalue of the Laplace-Beltrami operator in a compact manifold

Such new domains have small volume and are close to geodesic balls centered at a nondegenerate critical point of the scalar curvature of the manifold (the existence of at least

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Extremal domains of big volume for the first eigenvalue of the Laplace–Beltrami operator in a compact manifold

Sicbaldi in [16], a new phenomena appears: there are two types of extremal domains, those that are the complement of a small perturbed geodesic ball centered at a nondegenerate

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New examples of extremal domains for the first eigenvalue of the Laplace-Beltrami operator in a Riemannian manifold with boundary

New examples of domains with small prescribed volume that are critical points for the first eigenvalue of the Dirichlet Laplace-Beltrami operator are built in [28], under the

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New examples of extremal domains for the first eigenvalue of the Laplace-Beltrami operator in a Riemannian manifold with boundary

New examples of domains with small prescribed volume that are critical points for the first eigenvalue of the Dirichlet Laplace-Beltrami operator are built in [28], under the

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An extremal eigenvalue problem for the Wentzell-Laplace operator

volume |Ω| and such that R ∂Ω (x − x ∂Ω )dσ = 0 is in fact valid as well... However, we are interested in this work, in studying low order eigenvalues and more precisely

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An extremal eigenvalue problem for the Wentzell-Laplace operator

volume |Ω| and such that R ∂Ω (x − x ∂Ω )dσ = 0 is in fact valid as well... However, we are interested in this work, in studying low order eigenvalues and more precisely

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1.  Circulation  des  camions     A1

Natural shoreline This sub-factor measures the extent of undevel- oped shoreline impacted (transitional habitat be- tween terrestrial and wetland); crossings that im- pact

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Existence and regularity of Faber-Krahn minimizers in a Riemannian manifold

Keywords: Shape optimization, Laplace-Beltrami operator, first eigenvalue, regularity of free boundaries, Rieman- nian manifold, Faber-Krahn profile, isoperimetric problems.. MCS

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Laplace–Beltrami Operator on Digital Surfaces

Beltrami operator on digital surfaces which satisfies strong consistency (i.e. pointwise convergence) with respect to the Laplace–Beltrami operator on the underlying manifold when

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Laplace-Beltrami operator on Digital Curves

Indeed, theoretical analysis on 2D curves shows that one cannot expect convergence of the dicretized Laplacian using exterior calculus toward the real Laplace-Beltrami on Rie-

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Spectral resonances for the Laplace-Beltrami operator

In all of these cases, the corresponding classical system has a set of initial conditions with non-zero measure for which the orbits are bounded but to which no

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Data driven estimation of Laplace-Beltrami operator

Its various discretizations, through graph Laplacians, have inspired many applications in data analysis and machine learning and led to popular tools such as Laplacian EigenMaps

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Adapted multiple point stimulation method : AMPS

• Incremental stimulation avoids any significant motor Incremental stimulation avoids any significant motor unit selection bias.. unit

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Heat kernel Laplace-Beltrami operator on digital surfaces

Related works The Laplace-Beltrami operator being a second order differential operator (divergence of the function gradient, see Sect. 2), a discrete calculus framework is required

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Bounded extremal problems in Hardy spaces for the conjugate Beltrami equation in simply-connected domains

Bounded extremal problems in Hardy spaces for the conjugate Beltrami equation in simply-connected domains... Partington † , Eva

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Sur la découverte de « Beyrichia » dans le Silurien belge

Malaise fasse connaître les espèces qu'il a recueillies dans notre système silurien. 00000*^ annonce un travail sur la

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