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VOLUME 79 (2004) | ISSUE 7 | PAGE 436
Diagrammar and metamorphosis of coset symmetries in dimensionally reduced type IIB supergravity
PACS: 04.50.+h, 04.65.+e, 11.25.Mj
Abstract
Studying the reduction of type IIB supergravity from ten to three space-time dimensions we describe the metamorphosis of Dynkin diagram for gravity line "caterpillar" into a type IIB supergravity "dragonfly" that is triggered by inclusion of scalars and antisymmetric tensor fields. The final diagram corresponds to type IIB string theory E8 global symmetry group which is the subgroup of the conjectured E11 hidden symmetry group. Application of the results for getting the type IIA/IIB T-duality rules and for searching for type IIB vacua solutions is considered.