References
- An , P. T. Some properties of outer γ-convex functions. The Abdus Salam ICTP Preprint, No. IC/2001/97
- Hai , N. N. and Phu , H. X. 1999 . Symmetrically γ-convex functions . Optimization , 46 : 1 – 23 .
- Hu , T. C. , Klee , V. and Larman , D. 1989 . Optimization of globally convex functions . SIAM J. Control Optim. , 27 : 1026 – 1047 .
- Phu , H. X. 1994 . Representation of bounded convex sets by rational convex hull of its gamma-extreme points . Numer. Funct. Anal. Optim. , 15 : 915 – 920 .
- Phu , H. X. 1995 . Some properties of globally δ-convex functions . Optimization , 35 : 23 – 41 .
- Phu , H. X. 1997 . Six kinds of roughly convex functions . J. Optim. Appl. , 92 : 357 – 375 .
- Phu , H. X. and An , P. T. 1999 . Outer γ-convexity in normed spaces . Vietnam J. Math. , 27 : 323 – 334 .
- Roberts , A. W. and Varberg , D. E. Convex Functions New York, London : Academic Press .