10 citations · 29 across the 20 of their papers we have counts for
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math.RT2007★ 10 cited
Tree Diagram Lie Algebras of Differential Operators and Evolution Partial Differential Equations
Xiaoping Xu
A tree diagram is a tree with positive integral weight on each edge, which is a notion generalized from the Dynkin diagrams of finite-dimensional simple Lie algebras. We introduce…
math.RT2007★ 2 cited
Flag Partial Differential Equations and Representations of Lie Algebras
Xiaoping Xu
In this paper, we solve the initial value problems of variable-coefficient generalized wave equations associated with trees and a large family of linear constant-coefficient partia…