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Hardcover. Condición: Fine. Estado de la sobrecubierta: Fine. 1st Edition. Xii, 527 Pp. Maroon Cloth Stamped In Silver. First Printing With Statement "First Published 1981". Highly Technical Collection Of Pedagogical Lectures Given At A Workshop On Supergravity Organized By Hawking, Including A Number Of Specialized Articles Which Reflect The Most Recent Research (In 1981). Fine In Fine Dj, No Marks Or Wear. Per Wikipedia, "Supergravity (Supergravity Theory; Sugra For Short) Is A Modern Field Theory That Combines The Principles Of Supersymmetry And General Relativity; This Is In Contrast To Non-Gravitational Supersymmetric Theories Such As The Minimal Supersymmetric Standard Model. Supergravity Is The Gauge Theory Of Local Supersymmetry. Since The Supersymmetry (Susy) Generators Form Together With The Poincaré Algebra A Superalgebra, Called The Super-Poincaré Algebra, Supersymmetry As A Gauge Theory Makes Gravity Arise In A Natural Way. Like Any Field Theory Of Gravity, A Supergravity Theory Contains A Spin-2 Field Whose Quantum Is The Graviton. Supersymmetry Requires The Graviton Field To Have A Superpartner. This Field Has Spin 3/2 And Its Quantum Is The Gravitino. The Number Of Gravitino Fields Is Equal To The Number Of Supersymmetries." Supergravity Was Of Interest In The Early 1980'S, Lost Favor Due To Inconsitencies, But Aspects Were Modified And It Is Again Of Some Active Scientific Interest.…