Families of Conformally Covariant Differential Operators, Q-Curvature and Holography
Andreas Juhl
Gebundenes Buch

Families of Conformally Covariant Differential Operators, Q-Curvature and Holography

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The central object of the book is a subtle scalar Riemannian curvature quantity in even dimensions which is called Branson's Q-curvature. It was introduced by Thomas Branson about 15 years ago in connection with an attempt to systematise the structure of conformal anomalies of determinants of conformally covariant differential operators on Riemannian manifolds. Since then, numerous relations of Q-curvature to other subjects have been discovered, and the comprehension of its geometric significance in four dimensions was substantially enhanced through the studies of higher analogues of the Yamab...