Search Results - "Ferreiro Pérez, Roberto"
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Equivariant prequantization bundles on the space of connections and characteristic classes
Published in Annali di matematica pura ed applicata (01-12-2018)“…We show how characteristic classes determine equivariant prequantization bundles over the space of connections on a principal bundle. These bundles are shown…”
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Differential characters and cohomology of the moduli of flat connections
Published in Letters in mathematical physics (01-01-2019)“…Let π : P → M be a principal bundle and p an invariant polynomial of degree r on the Lie algebra of the structure group. The theory of Chern–Simons…”
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On the geometrical interpretation of locality in anomaly cancellation
Published in Journal of geometry and physics (01-11-2018)“…A notion of local section of the determinant line bundle is defined giving necessary and sufficient conditions for anomaly cancellation compatible with…”
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Equivariant differential characters and Chern–Simons bundles
Published in Algebraic & geometric topology (18-08-2021)Get full text
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Local Anomalies and Local Equivariant Cohomology
Published in Communications in mathematical physics (01-03-2009)“…The locality conditions for the vanishing of local anomalies in field theory are shown to admit a geometrical interpretation in terms of local equivariant…”
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Non-Hamiltonian Actions and Lie-Algebra Cohomology of Vector Fields
Published in Symmetry, integrability and geometry, methods and applications (01-01-2009)“…Two examples of Diff+S1-invariant closed two-forms obtained from forms on jet bundles, which does not admit equivariant moment maps are presented. The…”
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Equivariant differential characters and Chern-Simons bundles
Published 18-09-2020“…Algebr. Geom. Topol. 21 (2021) 1911-1940 We construct Chern-Simons bundles as $\mathrm{Aut}^{+}P$-equivariant $U(1)$ -bundles with connection over the space of…”
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8
On the geometrical interpretation of locality in anomaly cancellation
Published 18-05-2018“…J. Geom. Phys., 133 (2018), pp. 102-112 A notion of local section of the determinant line bundle is defined giving necessary and suficient conditions for…”
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Symplectic structure and reduction on the space of Riemannian metrics
Published in Geometriae dedicata (01-03-2008)“…The space of Riemannian metrics on an oriented compact manifold M of dimension n = 4 k − 2 is endowed with a canonical presymplectic structure and a moment…”
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Differential characters and cohomology of the moduli of flat Connections
Published 19-11-2017“…Letters in Mathematical Physics 2018 Let $\pi\colon P\to M$ be a principal bundle and $p$ an invariant polynomial of degree r on the Lie algebra of the…”
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Conserved current for the Cotton tensor, black hole entropy and equivariant Pontryagin forms
Published 19-04-2010“…Class.Quant.Grav.27:135015,2010 The Chern-Simons lagrangian density in the space of metrics of a 3-dimensional manifold M is not invariant under the action of…”
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Equivariant holonomy of U(1)-bundles
Published 07-05-2019“…Differential Geom. Appl. 66 (2019) 1--12 We define the equivariant holonomy of an invariant connection on a principal U(1)-bundle. The properties of the…”
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13
Non-Hamiltonian Actions and Lie-Algebra Cohomology of Vector Fields
Published 16-06-2009“…SIGMA 5 (2009), 063, 7 pages Two examples of $\mathrm{Diff}^+S^1$-invariant closed two-forms obtained from forms on jet bundles, which does not admit…”
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14
Equivariant prequantization bundles on the space of connections and characteristic classes
Published 30-11-2017“…Annali di Matematica Pura ed Applicata 2018 We show how characteristic classes determine equivariant prequantization bundles over the space of connections on a…”
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15
Equivariant prequantization and the moment map
Published 18-09-2020“…If {\omega} is a closed G-invariant 2-form and {\mu} a moment map, then we obtain necessary and sufficient conditions for equivariant pre-quantizability that…”
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Locality and universality in gravitational anomaly cancellation
Published 30-05-2018“…We obtain necesary and sufficient conditions for gravitational anomaly cancellation. We show that perturbative gravitational anomalies can never be cancelled…”
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Local Anomalies, Local Equivariant Cohomology and the Variational Bicomplex
Published 04-07-2006“…Commun.Math.Phys.286:445-458,2009 The locality conditions for the vanishing of local anomalies in field theory are shown to admit a geometrical interpretation…”
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Equivariant characteristic classes in the bundle of connections
Published 09-07-2003“…J. Geom. Phys. 54 (2005) 197--212 The characteristic forms in the bundle of connections of a principal bundle P over M determine the characteristic classes of…”
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Pontryagin forms on $(4k-2)$-manifolds and symplectic structures on the spaces of Riemannian metrics
Published 04-07-2005“…The Pontryagin forms on 1-jet bundle of Riemannian metrics, are shown to provide, in a natural way, diffeomorphism-invariant pre-symplectic structures on the…”
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Natural connections on the bundle of Riemannian metrics
Published 04-07-2005“…Let $FM,\mathcal{M}_M$ be the bundles of linear frames and Riemannian metrics of a manifold $M$, respectively. The existence of a unique…”
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