关于WDVV方程的对称性
On Symmetries of the WDVV Equations
摘要:
对于WDVV方程的两个解,通过Dubrovin给出的方程的两种对称性,我们证明了可积系统的相关主族通过某种互逆变换相关联,并且族的τ函数是相同的或通过勒让德变换相关联.我们还考虑Virasoro约束和拓扑变形的主要层次结构之间的关系。
英文摘要:
For two solutions of the WDVV equations that are related by two types of symmetries of the equations given by Dubrovin, we show that the associated principal hierarchies of integrable systems are related by certain reciprocal transformation, and the tau functions of the hierarchies are either identical or related by a Legendre transformation. We also consider relationships between the Virasoro constraints and topological deformations of the principal hierarchies.
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