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Symplectic Invariants for Curves and Integrable Systems in Centro-equiaffine and Similarity Symplect
[会议论文] 作者：Changzheng Qu,
来源：International Conference on Orthogonal Polynomials,Integrabl 年份：2014
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Symplectic Invariants for Curves and Integrable Systems in Centro-equiaffine and Similarity Symplect
[会议论文] 作者：Changzheng Qu,
来源：International Conference on Orthogonal Polynomials,Integrabl 年份：2014
In this talk,the centro-equiaffine and similarity symplectic geometries for curves are proposed and studied.Explicit expressions of the symplectic invariants fo...
[期刊论文] 作者：Lu ZHAO,Changzheng QU,
来源：数学年刊B辑（英文版） 年份：2020
A class of nonlocal symmetries of the Camassa-Holm type equations with bi-Hamiltonian structures,including the Camassa-Holm equation,the modified CamassaHolm eq...
[期刊论文] 作者：Changzheng Qu,Ying Fu,
来源：中国科学：数学（英文版） 年份：
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[期刊论文] 作者：Yun Yang,Changzheng Qu,
来源：中国科学：数学（英文版） 年份：2021
In this paper,the invariant geometric flows for hypersurfaces in centro-affine geometry are explored.We first present evolution equations of the centro-affine invariants corresponding to the geometric flows.Based on these fundamental evolut......
[期刊论文] 作者：Shoufeng SHEN,ChangZheng QU,Yo,
来源：数学年刊B辑（英文版） 年份：
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
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