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math.MG2015
Revisiting floating bodies
Óscar Ciaurri, Emilio Fernández, L. Roncal
The conic sections, as well as the solids obtained by revolving these curves, and many of their surprising properties, were already studied by Greek mathematicians since at least t…
math.CA2015★ 1 cited
Hardy's inequality for fractional powers of the sublaplacian on the Heisenberg group
L. Roncal, S. Thangavelu
We prove Hardy inequalities for the conformally invariant fractional powers of the sublaplacian on the Heisenberg group . We prove two versions of such inequalities d…