corank

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English[edit]

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Etymology[edit]

co- +‎ rank

Noun[edit]

corank ‎(plural coranks)

  1. (mathematics) The dimension of the left nullspace of a matrix.
  2. (mathematics) The dimension of the cokernel of a linear transformation of a vector space
  3. (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.

Synonyms[edit]