Vietnam Journal
of
MATHEMATICS

Volume 28, Number 4, 2000


30

Some Sufficient Conditions for the Existence of Equiblirium Points Concerning Multivalued Mappings
Nguyen Ba Minh and Nguyen Xuan Tan

295

31

On the L - Minimizing Networks in Rn
Nguyen Huu Quang

311

32

Is a Right Perfect Right Self-Injective Ring Right PF?
Dinesh Khurana

321

33

An Algorithm for Optimizing Over the Efficient Set
Nguyen Thi Bach Kim

329

34

Bounds for Cohomological Hilbert-Functions of Projective Schemes Over Artinian Rings
M. Brodmann, C. Matteotti, and Nguyen Duc Minh

341

35

On Entropy Numbers and Non-Linear Approximation by Sets of Finite Pseudo-Dimension
Dinh Dung

381