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Necessary Density Conditions for Sampling and Interpolation in Spectral Subspaces of Elliptic Differential Operators.
Karlheinz Gröchenig
Andreas Klotz
Published in:
CoRR (2021)
Keyphrases
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differential operators
boundary value problem
parameter space
vector field
partial differential equations
multiscale
high dimensional data
image interpolation
feature space
image reconstruction
multiple scales