13 citations
2 papers
nlin.SI2010
Kernel Formula Approach to the Universal Whitham Hierarchy
Hsin-Fu Shen, Niann-Chern Lee, Ming-Hsien Tu
We derive the dispersionless Hirota equations of the universal Whitham hierarchy from the kernel formula approach proposed by Carroll and Kodama. Besides, we also verify the associ…
nlin.SI2008★ 13 cited
On the String Equation of the BKP Hierarchy
Hsin-Fu Shen, Ming-Hsien Tu
The Adler-Shiota-van Moerbeke formula is employed to derive the -constraints for the -reduced BKP hierarchy constrained by the string equation. We also provide the Grassmanni…