2004
DOI: 10.1007/s00220-004-1158-8
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Weyl Asymptotic Formula for the Laplacian on Domains with Rough Boundaries

Abstract: We study asymptotic distribution of eigenvalues of the Laplacian on a bounded domain in R n . Our main results include an explicit remainder estimate in the Weyl formula for the Dirichlet Laplacian on an arbitrary bounded domain, sufficient conditions for the validity of the Weyl formula for the Neumann Laplacian on a domain with continuous boundary in terms of smoothness of the boundary and a remainder estimate in this formula. In particular, we show that the Weyl formula holds true for the Neumann Laplacian … Show more

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Cited by 57 publications
(54 citation statements)
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“…(References and much more precise estimates on the growth of λ j are given in [NS05].) We define powers of the negative Dirichlet Laplacian by writing, for each a ∈ R,…”
Section: Choosing a Measurable Normmentioning
confidence: 99%
“…(References and much more precise estimates on the growth of λ j are given in [NS05].) We define powers of the negative Dirichlet Laplacian by writing, for each a ∈ R,…”
Section: Choosing a Measurable Normmentioning
confidence: 99%
“…Using Weyl asymptotics λ n = O(n 2 d−1 ) (see e.g. [25] and the references therein) on the interface ϒ ⊂ R d−1 and by definition of κ n with θ ∈ (π, 2π), (iκ n (ω)) = O(− √ λ n ) holds for sufficiently large n ∈ N. Hence, for ξ > 0 the sequence u n (ξ ) = c n exp(iκ n (ω)ξ ) with Fourier coefficients c n := u(0, •), ϕ n L 2 (ϒ) decays exponentially (d = 2) or at least super algebraically (d = 3) for n → ∞ . If a part of the waveguide with length L is added to the interior domain, the new constantsc n := u(L, •), ϕ n L 2 (ϒ) are given by c n exp(iκ n (ω)L) and decay sufficiently fast.…”
Section: Radiation Condition In a Waveguidementioning
confidence: 99%
“…In general these estimates will depend on Ω, and C count will not be independent of Ω (see e.g. [26,34]). …”
Section: Truncated Heat Kernel and Selecting Eigenfunctionsmentioning
confidence: 99%
“…This in turn only occurs if there are boundary points where the Wiener series (for the boundary) converges [55,28]. For the Neumann case the situation is more complicated [34,26,33]. In particular, there are domains with arbitrary closed continuous Neumann spectrum [26].…”
mentioning
confidence: 99%