Abstract
The sets of vertical vectors in the contingent cone, the intermediate tangent cone and the Clarke tangent cone to the graph of a multifunction between normed spaces at a given point are estimated or computed by exact formulae under some suitable assumptions. The obtained results sharpen and complement the results of Dien and Yen [Acta Math., Vietnam. Vol. 10(1) (1985), 144-147] where the set of vertical vectors in the Clarke tangent cone was considered.
Citation
N. D. Yen. Jen-Chih Yao. "VERTICAL TANGENT VECTORS TO THE GRAPH OF A MULTIFUNCTION." Taiwanese J. Math. 12 (5) 1293 - 1302, 2008. https://doi.org/10.11650/twjm/1500574264
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