Bibliography of Non-Euclidean Geometry, including the Theory of Parallels, the Foundations of Geometry, and Space of N Dimensions. By Dr. D. M. J. Sommerville. Pp. xii + 4O4. (London: Harrison and ...

This article was originally published with the title “ Non-Euclidean Geometry before Euclid ” in Scientific American Magazine Vol. 221 No. 5 (November 1969), p. 87 doi:10.1038 ...

Application of tools from differential geometry and Lie groups to problems in dynamics, controllability, and motion planning for mechanical systems, particularly with non-Euclidean configuration ...

This profound development is explained by analogy with non-Euclidean geometry In 1963 it was proved that a celebrated mathematical hypothesis put forward by Georg Cantor could not be proved.