Matrix solutions of a noncommutative KP equation and a noncommutative   mKP equation
  Matrix solutions of a noncommutative KP and a noncommutative mKP equation which can be expressed as quasideterminants are discussed. In particular, we investigate interaction properties of two-soliton solutions. 
C. R. Gilson, J. J. C. Nimmo and C. M. Sooman