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Sparse spectral approximations for computing polynomial functionals

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A vector field method on the distorted Fourier side and decay for wave equations with potentials

Joachim Krieger, Roland Donninger

We study the Cauchy problem for the one-dimensional wave equation

\partial_t^2 u(t,x)-\partial_x^2 u(t,x)+V(x)u(t,x)=0.

The potential

V

is assumed to be smooth with asymptotic behavior

V(x)\sim -\tfrac14 |x|^{-2}\mbox{ as } |x|\to \infty.

...

2016

Sparse spectral approximations for computing polynomial functionals

Graph Chatbot

Chattez avec Graph Search

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Simulating background shear flow in local gyrokinetic simulations

The Particle-In-Fourier (PIF) Approach Applied to Gyrokinetic Simulations

Redshift-weighted constraints on primordial non-Gaussianity from the clustering of the eBOSS DR14 quasars in Fourier space

Modeling Creeping Flow through a Closed Crack with a Self-Affine Geometry and an Extension to Permeability of Cracked Media, Poromechanics VI

Detecting and Localizing Differences in Functional Time Series Dynamics: A Case Study in Molecular Biophysics

Unlocking efficiency and scalability of reversible logic synthesis using conventional logic synthesis

A Spectral Method for Generating Surrogate Graph Signals

A vector field method on the distorted Fourier side and decay for wave equations with potentials

Quantitative characterization of surface topography using spectral analysis