Sharp Anisotropic Hardy–Littlewood Inequality for Positive Multilinear Forms
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DOI: 10.1007/s00025-019-1120-x
Abstract: Using elementary techniques, we prove sharp anisotropic Hardy-Littlewood inequalities for positive multilinear forms. In particular, we recover an inequality proved by F. Bayart in 2018. read more here.
Keywords: hardy littlewood; anisotropic hardy; positive multilinear; sharp anisotropic ... See more keywords
Symmetric multilinear forms on Hilbert spaces: Where do they attain their norm?
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DOI: 10.1016/j.laa.2018.10.023
Abstract: Abstract We characterize the sets of norm one vectors x 1 , … , x k in a Hilbert space H such that there exists a k-linear symmetric form attaining its norm at ( x… read more here.
Keywords: attain norm; spaces attain; hilbert spaces; forms hilbert ... See more keywords