Fabrício Caluza Machado

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20162022

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-point semidefinite programming bounds for equiangular lines

13 citations · 16 across the 5 of their papers we have counts for

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math.MG2022★ 1 cited

The Lasserre hierarchy for equiangular lines with a fixed angle

David de Laat, Fabrício Caluza Machado, Willem de Muinck Keizer

We compute the second and third levels of the Lasserre hierarchy for the spherical finite distance problem. A connection is used between invariants in representations of the orthog…

math.MG2021

The null set of a polytope, and the Pompeiu property for polytopes

Fabrício Caluza Machado, Sinai Robins

We study the null set $N (P)$ of the Fourier-Laplace transform of a polytope $P \subset R^{d}$ , and we find that $N (P)$ does not contain (almost…