A. Viña

activity

20002008

most citedA characteristic number of bundles determined by mass linear pairs

2 citations · 6 across the 6 of their papers we have counts for

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Showing 2008 · math.SGShow all

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math.SG2008★ 2 cited

A characteristic number of bundles determined by mass linear pairs

Andrés Viña

Let $Δ$ be a Delzant polytope in $R^{n}$ and $b \in Z^{n}$ . Let $E$ denote the symplectic fibration over $S^{2}$ determined by the pair $(Δ, b)$ . We prove t…

math.SG2008★ 1 cited

Action integrals and infinitesimal characters

Andrés Viña

Let $G$ be a reductive Lie group and $O$ the coadjoint orbit of a hyperbolic element of $g^{*}$ . By $π$ is denoted the unitary irreducible representation of $G$ as…

math.SG2008★ 1 cited

Continuous families of Hamiltonian torus actions

Andrés Viña

We determine conditions under which two Hamiltonian torus actions on a symplectic manifold $M$ are homotopic by a family of Hamiltonian torus actions, when $M$ is a toric manifold…