Mathematician:Julius Peter Christian Petersen

Danish mathematician who worked on many areas of mathematics and wrote several textbooks.

Perhaps best known for the Petersen graph.

Nationality
Danish

History

 * Born: 16 June 16 1839, Sorø on Zealand
 * Died: April 19, 1914

Theorems and Definitions

 * Petersen Graph
 * Petersen's Theorem: any bridgeless cubic graph has a 1-factor.

Books and Papers

 * 1863: Plane and spherical trigonometry
 * 1866: Methods and theories for the solution of problems of geometrical construction
 * 1871: On equations which can be solved by square roots, with application to the solution of problems by ruler and compass
 * 1877: The theory of algebraic equations
 * 1891: Die Theorie der regulären graphs