On the characterization of flat metrics by the spectrum

Ruishi Kuwabara1
1Department of Applied Mathematics and Physics Faculty of Engineering, Kyoto University, 606, Kyoto, Japan

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Tài liệu tham khảo

R. Palais, Seminar on the Atiyah-Singer index theorem, Ann. of Math. Studies, No. 57, Princeton University Press, Princeton, 1965.

H. Omori,On the group of diffeomorphisms on a compact manifold, Proc. Sympos. Pure Math. 15, Amer. Math. Soc., 1970, 167–183.