166 citations
- Wright-Patterson Air Force BaseUS39 papers
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4 papers · 1 filter
Towards stability results for global radial basis function based quadrature formulas
Jan Glaubitz, Jonah A. Reeger
Quadrature formulas (QFs) based on radial basis functions (RBFs) have become an essential tool for multivariate numerical integration of scattered data. Although numerous works hav…
Towards stability of radial basis function based cubature formulas
Jan Glaubitz, Jonah Reeger
Cubature formulas (CFs) based on radial basis functions (RBFs) have become an important tool for multivariate numerical integration of scattered data. Although numerous works have…
Weighted Fusion Frame Construction via Spectral Tetris
Peter G. Casazza, Jesse Peterson
Fusion frames consist of a sequence of subspaces from a Hilbert space and corresponding positive weights so that the sum of weighted orthogonal projections onto these subspaces is…
Spectral Tetris Fusion Frame Constructions
Peter G. Casazza, Matthew Fickus, Andreas Heinecke +2
Spectral tetris is a fexible and elementary method to construct unit norm frames with a given frame operator, having all of its eigenvalues greater than or equal to two. One import…