Volume 3, Number 2, May 2007, pp. 323-344
Huynh Van Ngai and Jean-Paul Penot

Key words:
generalized convexity, nonsmooth analysis, semismoothness, smoothness, starshaped function, subconvexity, subdifferential
Mathematices Subject Classification: 49J52, 46N10, 46T20, 90C30
References
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Abstract:
The relationships between semismoothness of a function and submonotonicity of its subdifferentials at some given point are studied. A notion of approximate starshapedness at that point is introduced and compared with these properties.
Semismoothness and directional subconvexity of functions