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20032011
most citedEfficient and fast estimation of the geometric median in Hilbert spaces with an averaged stochastic gradient algorithm

104 citations

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Showing 2009 · math.AGShow all

3 papers · 2 filters

math.AG2009

Automorphisms of A1-fibered surfaces

Jérémy Blanc, Adrien Dubouloz

We develop technics of birational geometry to study automorphisms of affine surfaces admitting many distinct rational fibrations, with a particular focus on the interactions betwee…

math.AG2009★ 3 cited

Inequivalent embeddings of the Koras-Russell cubic threefold

Adrien Dubouloz, Lucy Moser-Jauslin, Pierre-Marie Poloni

The Koras-Russell threefold is the hypersurface X of the complex affine four-space defined by the equation x^2y+z^2+t^3+x=0. It is well-known that X is smooth contractible and rati…

math.AG2009★ 4 cited

Factorial threefolds with Ga-actions

Adrien Dubouloz, David R. Finston, Parag Deepak Mehta

The affine cancellation problem, which asks whether complex affine varieties with isomorphic cylinders are themselves isomorphic, has a positive solution for two dimensional variet…