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Reproducing kernels for the irreducible ...
Ehler, Martin...
Reproducing kernels for the irreducible components of polynomial spaces on unions of Grassmannians by Ehler, Martin ( Author )
Australian National University
06-09-2023
The decomposition of polynomial spaces on unions of Grassmannians $\mathcal G_{{k_1},d}\cup\ldots\cup \mathcal G_{{k_r},d}$ into irreducible orthogonally invariant subspaces and their reproducing kernels are investigated. We also generalize the concepts of cubature points and $t$-designs from single Grassmannians to unions. We derive their characterization as minimizers of a suitable energy potential to enable $t$-design constructions by numerical optimization. We also present new analytic families of $t$-designs for $t=1,2,3$.
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Article
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29.34 KB
English
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MYR 0.01
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http://arxiv.org/abs/1411.5865
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