SpringerOpen Newsletter

Receive periodic news and updates relating to SpringerOpen.

Open Access Research

Some notes on the paper "The equivalence of cone metric spaces and metric spaces"

Mehdi Asadi1*, Billy E Rhoades2 and Hossein Soleimani3

Author Affiliations

1 Department of Mathematics, Zanjan Branch, Islamic Azad University, Zanjan, Iran

2 Department of Mathematics, Indiana University, Bloomington, IN 47405-7106, USA

3 Department of Mathematics, Malayer Branch, Islamic Azad University, Malayer, Iran

For all author emails, please log on.

Fixed Point Theory and Applications 2012, 2012:87  doi:10.1186/1687-1812-2012-87

Published: 21 May 2012


In this article, we shall show that the metrics defined by Feng and Mao, and Du are equivalent. We also provide some examples for one of the metrics.