Horizontal normal map on the Heisenberg group
Horizontal normal map on the Heisenberg group
复制标题
海森堡群上的水平法线贴图
DOI:
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发表时间:
2008
期刊:
影响因子:
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通讯作者:
R. Pini
中科院分区:
文献类型:
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作者:
A. Calogero;R. Pini
We investigate the notion of H-subdifferential and H-normal map of a function on the Heisenberg group, based on its sub-Riemannian structure. In particular, a characterization of the convexity of a function is given via the nonemptiness of the H-subdifferential at every point.