On a Class of Landsberg Metrics in Finsler Geometry
Canadian journal of mathematics, Tome 61 (2009) no. 6, pp. 1357-1374

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In this paper, we study a long existing open problem on Landsberg metrics in Finsler geometry. We consider Finsler metrics defined by a Riemannian metric and a 1-form on a manifold. We show that a regular Finsler metric in this form is Landsbergian if and only if it is Berwaldian. We further show that there is a two-parameter family of functions, $\phi \,=\,\phi \left( s \right)$ , for which there are a Riemannian metric $\alpha $ and a 1-form $\beta $ on a manifold $M$ such that the scalar function $F\,=\,\alpha \phi \left( \beta /\alpha\right)$ on $TM$ is an almost regular Landsberg metric, but not a Berwald metric.
DOI : 10.4153/CJM-2009-064-9
Mots-clés : 53B40, 53C60
Shen, Zhongmin. On a Class of Landsberg Metrics in Finsler Geometry. Canadian journal of mathematics, Tome 61 (2009) no. 6, pp. 1357-1374. doi: 10.4153/CJM-2009-064-9
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