Anping Liao, Yuan Lei, OPTIMAL APPROXIMATE SOLUTION OF THE MATRIX EQUATION AX B = C OVER SYMMETRIC MATRICES, Journal of Computational Mathematics, Vol. 25, No. 5 (September 2007), pp. 543-552 ...

In this, the first of two papers, we show how Hirota's bilinear transform method can be used to obtain analytic solutions of the Camassa-Holm equation. A bilinear form of the Camassa-Holm equation is ...