SUBJECT

Title

Differential geometry I

Type of instruction

lecture + practical

Level

master

Part of degree program
Credits

2+3

Recommended in

Semesters 1-4

Typically offered in

Autumn/Spring semester

Course description

Smooth parameterized curves in the n-dimensional Euclidean space Rn. Arc length parameterization. Distinguished Frenet frame. Curvature functions, Frenet formulas.  Fundamental theorem of the theory of curves. Signed curvature of a plane curve. Four vertex theorem. Theorems on total curvatures of closed curves.

Smooth hypersurfaces in Rn. Parameterizations. Tangent space at a point. First fundamental form. Normal curvature, Meusnier’s theorem. Weingarten mapping, principal curvatures and directions. Christoffel symbols. Compatibility equations. Theorema egregium. Fundamental theorem of the local theory of hypersurfaces. Geodesic curves.

Readings
  • M. P. do Carmo: Differential geometry of curves and surfaces. Prentice Hall, Englewood Cliffs, 1976.

Further reading:

  • B. O’Neill: Elementary differential geometry. Academic Press, New York, 1966.