cohomology

Noun

 * 1)  A method of contravariantly associating a family of invariant quotient groups to each algebraic or geometric object of a category, including categories of geometric and algebraic objects.
 * 2)  A system of quotient groups associated to a topological space.
 * 1)  A system of quotient groups associated to a topological space.

Translations

 * Chinese:
 * Mandarin: 上同调
 * Finnish: kohomologia
 * German: Kohomologie
 * Portuguese: cohomologia
 * Spanish: cohomología


 * Chinese:
 * Mandarin: 上同调
 * Finnish: kohomologia
 * Spanish: cohomología