# corank

## EnglishEdit

### EtymologyEdit

### NounEdit

**corank** (*plural* **coranks**)

- (mathematics) The dimension of the left nullspace of a matrix.
- (mathematics) The dimension of the cokernel of a linear transformation of a vector space
- (mathematics) The number of elements of a matroid minus its rank.
**1995**, William M. Kantor, Lino Di Martino,*Groups of Lie Type and their Geometries*(page 117)- First of all, we can see that
**coranks**are the same for the elements of a conjugacy class.

- First of all, we can see that