Academy of Mathematics and Systems Science, CAS
Colloquia & Seminars
| | Speaker: | Prof. Baofeng Feng，University of Texas Rio Grande Valley, USA
| | Inviter: | 常向科 副研究员 | Title:
| A unified tau-function structure for the Degasperis-Procesi equation and the Novikov equation | Time & Venue:
| 2019.12.25 15:30-16:30 N702 | Abstract:
| It is known that, through hodograph (reciprocal) transformation,Degasperis-Procesi (DP) equations is linked to the negative flow of the Kaup-Kuperschmidt (KK) hierarchy while the Novikov equation is connected to the negative flow of the Sawada-Kotera (SK) hierarchy. In this talk, we will show how to derive the DP equation and Novikov equation from the pseudo-3 reductions of the CKP and BKP hierarchies, respectively and reveal a unified tau-function structure behind the DP and Novikov equations with a standard pfaffian lattice as the building blocks.
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