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Projective vector fields on special (α,β)-metrics | ||
Journal of Finsler Geometry and its Applications | ||
دوره 1، شماره 2، اسفند 2020، صفحه 83-93 اصل مقاله (88.49 K) | ||
نوع مقاله: Original Article | ||
شناسه دیجیتال (DOI): 10.22098/jfga.2020.1242 | ||
نویسنده | ||
Saeedeh Masoumi* | ||
Department of Mathematics, Faculty of Science, Urmia University, Urmia, Iran. E-mail: s.masoumi94@gmail.com | ||
چکیده | ||
In this paper, we study the projective vector fields on two special (α,β)-metrics, namely Kropina and Matsumoto metrics. First, we consider the Kropina metrics, and show that if a Kropina metric F = α2/β admits a projective vector field, then this is a conformal vector field with respect to Riemannian metric a or F has vanishing S-curvature. Then we study the Matsumoto metric F = α2/(α−β) and prove that if the Matsumoto metric F = α2/β admits a projective vector field, then this is a conformal vector field with respect to Riemannian metric a or F has vanishing S-curvature. | ||
کلیدواژهها | ||
Projective vector field؛ Kropina metric؛ Matsumoto metric؛ S-curvature | ||
مراجع | ||
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آمار تعداد مشاهده مقاله: 218 تعداد دریافت فایل اصل مقاله: 291 |