Special Session 20 Lie Symmetries, Conservation Laws, and Other Approaches in Solving Nonlinear Differential Equations
Organizer(s): Chaudry Masood , Wen-Xiu , Maria Luz 		Room 641
 17:30-18:00  Jen-Hsu Chang (National Defense University, Taiwan)
 Totally non-negative Pfaffian and its constructions