Jiangang Qi · wovepaper

activity

20132020

most citedThe number of Dirac-weighted eigenvalues of Sturm-Liouville equations with integrable potentials and an application to inverse problems

4 citations · 6 across the 4 of their papers we have counts for

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Showing 2019Show all

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KAM theorem for reversible mapping of low smoothness with application

Jing Li, Jiangang Qi, Xiaoping Yuan

Assume the mapping $A : {x_{1} = x + ω + y + f (x, y), y_{1} = y + g (x, y), (x, y) \in T^{d} \times B (r_{0})$ is reversible with respect to $G…