期刊
INTERNATIONAL JOURNAL OF MATHEMATICS
卷 23, 期 9, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0129167X12500991
关键词
Sprays; geodesics; projective metrizability; Finsler metrizability; sectional curvature
类别
资金
- Romanian National Authority for Scientific Research, CNCS UEFISCDI [PN-II-RU-TE-2011-3-0017]
- Hungarian Scientific Research Fund (OTKA) [K67617]
In this work we show that for the geodesic spray S of a Finsler function F, the most natural projective deformation e (S) over tilde = S - 2 lambda FC leads to a non-Finsler metrizable spray, for almost every value of lambda is an element of R. This result shows how rigid is the metrizablility property with respect to certain reparameterizations of the geodesics. As a consequence, we obtain that the projective class of an arbitrary spray contains infinitely many sprays that are not Finsler metrizable.
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