| | Encyclopedia :: encyclopedia : Category theory (Site not responding. Last check: 2007-10-14) |
 | | Categories were first introduced by Samuel Eilenberg and Saunders Mac Lane in 1945, in connection with algebraic topology. |
| | Initially, the notions were applied in topology, especially algebraic topology, as an important part of the transition from homology (an intuitive and geometric concept) to homology theory, an axiomatic approach. |
| | Eilenberg and Mac Lane gave an axiomatic formalization of this relation between structures and the processes preserving them. |
| www.hallencyclopedia.com /Category_theory (2343 words) |
