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Reports on Mathematical Physics | 2003

On Randers spaces of constant flag curvature

David Bao; Colleen Robles

This paper concerns a ubiquitous class of Finsler metrics on smooth manifolds of dimension n. These are the Randers metrics. They figure prominently in both the theory and the applications of Finsler geometry. For n ≥ 3, we consider only those with constant flag curvature. For n = 2, we focus on those whose flag curvature is a (possibly constant) function of position only. We characterize such metrics by three efficient conditions. With the help of examples in 2 and 3 dimensions, we deduce that the Yasuda-Shimada classification of Randers space forms actually addresses only a special case. The corrected classification for that special case is sharp, holds for n ≥ 2, and follows readily from our three necessary and sufficient conditions.


Journal of The London Mathematical Society-second Series | 2002

Finsler Metrics of Constant Positive Curvature on the Lie Group S3

David Bao; Zhongmin Shen

Guided by the Hopf fibration, a family (indexed by a positive constant


Results in Mathematics | 1994

On the Volume of Unit Tangent Spheres in a Pinsler Manifold

David Bao; Zhongmin Shen

K


Proceedings of the American Mathematical Society | 1994

Harnack-type inequalities for evolution equations

Giles Auchmuty; David Bao

) of right invariant Riemannian metrics on the Lie group


Periodica Mathematica Hungarica | 2004

Randers space forms

David Bao

S^3


Annals of Physics | 1985

The dynamics of the Einstein-Dirac system. I. A principal bundle formulation of the theory and its canonical analysis

David Bao; James Isenberg; Philip B. Yasskin

is singled out. Using the Yasuda–Shimada paper as an inspiration, a privileged right invariant Killing field of constant length is determined for each


Annals of Physics | 1984

A sufficient condition for the linearization stability of N=1 supergravity: a preliminary report

David Bao

K > 1


Archive | 1998

A Geometric Inequality and a Weitzenböck Formula for Finsler Surfaces

David Bao; Brad Lackey

. Each such Riemannian metric couples with the corresponding Killing field to produce a


Archive | 2000

The Chern Connection

David Bao; Shiing-Shen Chern; Zhongmin Shen

y


Archive | 2000

Curvature and Schur’s Lemma

David Bao; Shiing-Shen Chern; Zhongmin Shen

-global and explicit Randers metric on

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Tudor S. Ratiu

École Polytechnique Fédérale de Lausanne

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