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    Chapter and Conference Paper

    Constitutive Relations, Off Shell Duality Rotations and the Hypergeometric Form of Born-Infeld Theory

    We review equivalent formulations of nonlinear and higher derivatives theories of electromagnetism exhibiting electric-magnetic duality rotations symmetry. We study in particular on shell and off shell formula...

    Paolo Aschieri, Sergio Ferrara… in Breaking of Supersymmetry and Ultraviolet … (2014)

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    Chapter and Conference Paper

    On the Classification of Two Center Orbits for Magical Black Holes

    We report on recent work [4] concerning the determination of the two-centered generic charge orbits of magical \(\mathcal{N} = 2\) and ...

    Laura Andrianopoli, Riccardo D’Auria… in Supersymmetric Gravity and Black Holes (2013)

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    Chapter and Conference Paper

    On Symmetries of Extremal Black Holes with One and Two Centers

    After a brief introduction to the Attractor Mechanism, we review the appearance of groups of type \(E_{7}\) ...

    Sergio Ferrara, Alessio Marrani in Black Objects in Supergravity (2013)

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    Chapter and Conference Paper

    SAM Lectures on Extremal Black Holes in d = 4 Extended Supergravity

    We report on recent results in the study of extremal black hole attractors in N = 2, d = 4 ungauged Maxwell–Einstein supergravities. For homogeneous symmetric scalar manifolds, the three general classes of attrac...

    Stefano Bellucci, Sergio Ferrara, Murat Günaydin… in The Attractor Mechanism (2010)