ausblenden:
Schlagwörter:
High Energy Physics - Theory, hep-th,General Relativity and Quantum Cosmology, gr-qc
Zusammenfassung:
We show that the extreme six-dimensional black string admits a conformal
isometry under inversion. Duality relations between null geodesics of various
brane geometries are demonstrated, some of which have a geometrical origin
through an optical metric.