Volume 121. This is an ex-library book and may have the usual library/used-book markings inside.This book has soft covers. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,450grams, ISBN:0691085145.

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Dati bibliografici

Titolo

Annals of Mathematics Studies: Cosmology in (2 + 1) -Dimensions, Cyclic Models, and Deformations of M2,1 (Volume 121)

Editore

Princeton University Press

Data di pubblicazione

1989

Lingua

Inglese

ISBN 10

0691085145

ISBN 13

9780691085142

Rilegatura

Brossura

Condizione

Good

Cataloghi dei venditori

Mathematics

Descrizione articolo

Riassunto

The subject matter of this work is an area of Lorentzian geometry which has not been heretofore much investigated: Do there exist Lorentzian manifolds all of whose light-like geodesics are periodic? A surprising fact is that such manifolds exist in abundance in (2 + 1)-dimensions (though in higher dimensions they are quite rare). This book is concerned with the deformation theory of M2,1 (which furnishes almost all the known examples of these objects). It also has a section describing conformal invariants of these objects, the most interesting being the determinant of a two dimensional "Floquet operator" invented by Paneitz and Segal.

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