Some properties of Riesz means and spectral expansions. (With an appendix by R. A. Gustafson).
Fulling, S.A. (1999)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Displaying similar documents to “Spectral Riesz-Cesàro means: How the square root function helps us to see around the world.”
Some properties of Riesz means and spectral expansions. (With an appendix by R. A. Gustafson).
An inverse problem for a general doubly-connected bounded domain with impedance boundary conditions.
Zayed, E.M.E. (1996)
Portugaliae Mathematica
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On spectral properties of the Laplace operator via boundary perturbation.
Khelifi, Abdessatar (2007)
Applied Mathematics E-Notes [electronic only]
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Asymptotic analysis of non-self-adjoint Hill operators
Oktay Veliev (2013)
Open Mathematics
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We obtain uniform asymptotic formulas for the eigenvalues and eigenfunctions of the Sturm-Liouville operators L t (q) with a potential q ∈ L 1[0,1] and t-periodic boundary conditions, t ∈ (−π, π]. Using these formulas, we find sufficient conditions on the potential q such that the number of spectral singularities in the spectrum of the Hill operator L(q) in L 2(−∞,∞) is finite. Then we prove that the operator L(q) has no spectral singularities at infinity and it is an asymptotically...
Mixing time bounds via the spectral profile.
Goel, Sharad, Montenegro, Ravi, Tetali, Prasad (2006)
Electronic Journal of Probability [electronic only]
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The ground state energy of relativistic one-electron atoms according to Jansen and Heß.
Brummelhuis, Raymond, Siedentop, Heinz, Stockmeyer, Edgardo (2002)
Documenta Mathematica
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An answer to a question of Cao, Reilly and Xiong
Zafer Ercan, S. Onal (2006)
Czechoslovak Mathematical Journal
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We present a simple proof of a Banach-Stone type Theorem. The method used in the proof also provides an answer to a conjecture of Cao, Reilly and Xiong.
A time-map approach for non-homogeneous Sturm-Liouville problems.
Dambrosio, W. (1999)
Rendiconti del Seminario Matematico
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Coverings, Laplacians, and heat kernels of directed graphs.
Brasseur, Clara E., Grady, Ryan E., Prassidis, Stratos (2009)
The Electronic Journal of Combinatorics [electronic only]
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Asymptotic behaviour of the solvability set for pendulum-type equations with linear damping and homogeneous Dirichlet conditions.
Cañada, A., Ureña, A.J. (2001)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Convolution of radius functions on ℝ³
Konstanty Holly (1994)
Annales Polonici Mathematici
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We reduce the convolution of radius functions to that of 1-variable functions. Then we present formulas for computing convolutions of an abstract radius function on ℝ³ with various integral kernels - given by elementary or discontinuous functions. We also prove a theorem on the asymptotic behaviour of a convolution at infinity. Lastly, we deduce some estimates which enable us to find the asymptotics of the velocity and pressure of a fluid (described by the Navier-Stokes equations) in...