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20122024
most citedSecond-order analysis for the time crisis problem

4 citations

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Showing 2017 · math.DGShow all

3 papers · 2 filters

math.DG2017

On the irreducible action of psl(2, r) on the 3-dimensional einstein universe

Masoud Hassani

We describe the orbits of the irreducible action of PSL(2, R) on the 3-dimensional Einstein universe Ein 1,2. This work completes the study in [2], and is one element of the classi…

math.DG2017★ 2 cited

Inversion of some curvature operators near a parallel Ricci metric II: Non-compact manifold with bounded geometry

Erwann Delay

Let (M,g) be a complete noncompact riemannian manifold with bounded geometry and parallel Ricci curvature. We show that some operators, "affine" relatively to the Ricci curvature,…

math.DG2017

Lp almost conformal isometries of Sub-Semi-Riemannian metrics and solvability of a Ricci equation

Erwann Delay

Let M be a smooth compact manifold without boundary. We consider two smooth Sub-Semi-Riemannian metrics on M. Under suitable conditions, we show that they are almost conformally is…