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R. Yoshikawa

4 papers hereh-index 6122 citations13 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author3
  • last author1

Across the 4 of 4 papers where every author was matched, so the position is known.

fields
  • math.DG4

identity via Semantic Scholar / OpenAlex

activity
20112018
most citedGeodesics on strong Kropina manifolds

13 citations · 19 across the 4 of their papers we have counts for

collaborators

4 papers

math.DG2018★ 13 cited

Geodesics on strong Kropina manifolds

Sorin V. Sabau, Kazuhiro Shibuya, Ryozo Yoshikawa

We study the behavior of the geodesics of strong Kropina spaces. The global and local aspects of geodesics theory are discussed. Our theory is illustrated with several examples.

math.DG2013

Some remarks on the geometry of Kropina spaces

Ryozo Yoshikawa, Sorin V. Sabau

Using the navigation data (h,W) of a Kropina space, we characterize weakly-Berwald Kropina spaces and Berwald Kropina spaces by means of the Killing vector field W and the parallel…

math.DG2012★ 1 cited

Kropina metrics and Zermelo navigation on Riemannian manifolds

Ryozo Yoshikawa, Sorin V. Sabau

The present paper studies globally defined Kropina metrics as solutions of the Zermelo's navigation problem. Moreover, we characterize the Kropina metrics of constant flag curvatur…

math.DG2011★ 5 cited

Kropina spaces of constant curvature II (long version)

R. Yoshikawa, K. Okubo

In this paper conditions for a Kropina structure to be of constant flag curvature are obtained.

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