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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Destinazione, tempi e costiDa: Powell's Bookstores Chicago, ABAA, Chicago, IL, U.S.A.
Condizione: Used - Very Good. 1989. Paperback. Very Good. Codice articolo C18767
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Da: Wonder Book, Frederick, MD, U.S.A.
Condizione: Very Good. Very Good condition. A copy that may have a few cosmetic defects. May also contain light spine creasing or a few markings such as an owner's name, short gifter's inscription or light stamp. Codice articolo E08A-04184
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Da: Nelson & Nelson, Booksellers, Trenton, SC, U.S.A.
Softcover. Condizione: VG. Condizione sovraccoperta: No Dust Jacket. Crisp, attractive paperback with mild cover wear. Pages tight, clean. NOT a former library copy. ; Codice articolo 41848
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Da: PsychoBabel & Skoob Books, Didcot, Regno Unito
Paperback. Condizione: Very Good. Condizione sovraccoperta: No Dust Jacket. Paperback in very good condition. HCW. Used. Codice articolo 094842
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Da: Tacoma Book Center, Tacoma, WA, U.S.A.
Paperback. Condizione: Very Good. Later Edition. ISBN 0691085145. Trade Paperback, bound in uniform orange cardstock. Very good plus condition, with slight spine fade, slight dustsoiling to top edge of book. Tight, sound, unmarked copy. No statement of later printing on copyright page. Codice articolo 99096017
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Da: Antiquariat Bookfarm, Löbnitz, Germania
228 pages Ex-Library book in good condition. 9780691085142 Sprache: Englisch Gewicht in Gramm: 550. Codice articolo 1164924
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Da: Anybook.com, Lincoln, Regno Unito
Condizione: Good. 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. Codice articolo 5764563
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Da: Antiquariat Bookfarm, Löbnitz, Germania
Softcover. Ex-library with stamp and library-signature. GOOD condition, some traces of use. Ancien Exemplaire de bibliothèque avec signature et cachet. BON état, quelques traces d'usure. Ehem. Bibliotheksexemplar mit Signatur und Stempel. GUTER Zustand, ein paar Gebrauchsspuren. 58 GUI 9780691085142 Sprache: Englisch Gewicht in Gramm: 550. Codice articolo 2507268
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Da: MW Books, New York, NY, U.S.A.
1st edition. Fine paperback copy. Particularly well-preserved; tight, bright and clean. Physical description; 228 pp.: illustrations. Subjects; Cosmology Mathematical models. Geometry, Differential. Lorentz transformations. 1 Kg. Codice articolo 393278
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Da: Black Gull Books (P.B.F.A.), St Leonard's on Sea, Regno Unito
paperback. Condizione: As New. Codice articolo 17-F09894
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