Eduardo Hulett

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20092023

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math.DG2023

The sub-Riemannian geometry of screw motions with constant pitch

Eduardo Hulett, Ruth Paola Moas, Marcos Salvai

We consider a family of Riemannian manifolds M such that for each unit speed geodesic gamma of M there exists a distinguished bijective correspondence L between infinitesimal trans…

math.DG2015

Conformal geometry of marginally trapped surfaces in $S_{1}^{4}$

Eduardo Hulett

A spacelike surface $S \subset S_{1}^{4}$ is marginally trapped if its mean curvature vector is lightlike. On any oriented spacelike surface $S \subset S_{1}^{4}$ we show…

math.DG2011

Surfaces in $S^{4}$ with normal harmonic Gauss maps

Eduardo Hulett

We consider conformal immersions of Riemann surfaces in $\bb{S}^4$ and study their Gauss maps with values in the Grassmann bundle $F = S O_{5} / T^{2} \to S^{4}$ . The ene…

math.DG2009

Spacelike surfaces in De Ditter 3-space and their twistor lifts

Eduardo Hulett

We deal here with the geometry of the twistor fibration $\mathcal{Z} \to \bb{S}^3_1$ over the De Sitter 3-space. The total space $Z$ is a five dimensional reductive homog…

The sub-Riemannian geometry of screw motions with constant pitch

Conformal geometry of marginally trapped surfaces in S14​

Surfaces in S4 with normal harmonic Gauss maps

Spacelike surfaces in De Ditter 3-space and their twistor lifts

Conformal geometry of marginally trapped surfaces in $S_{1}^{4}$

Surfaces in $S^{4}$ with normal harmonic Gauss maps