Differential geometry is the study of Riemannian Manifolds. Differential geometry deals with metrical notions on Manifolds, while Differential Topology deals with those nonmetrical notions of Manifolds.

**References**

Eisenhart, L. P. *A Treatise on the Differential Geometry of Curves and Surfaces.* New York: Dover, 1960.

Gray, A. *Modern Differential Geometry of Curves and Surfaces.* Boca Raton, FL: CRC Press, 1993.

Kreyszig, E. *Differential Geometry.* New York: Dover, 1991.

Lipschutz, M. M. *Theory and Problems of Differential Geometry.* New York: McGraw-Hill, 1969.

Spivak, M. *A Comprehensive Introduction to Differential Geometry, 2nd ed, 5 vols.*
Berkeley, CA: Publish or Perish Press, 1979.

Struik, D. J. *Lectures on Classical Differential Geometry.* New York: Dover, 1988.

Weatherburn, C. E. *Differential Geometry of Three Dimensions, 2 vols.* Cambridge, England: Cambridge University Press, 1961.

© 1996-9

1999-05-24