1

Some Aspects of the
Theory of Stochastic Integrals
Dang Hung Thang

1

2

A Survey of
Regularity Conditions and the Simplicity of Prime Factor Rings
Gary F. Birkenmeier

29

3

The
Action of the mod p Steenrod Operations on the Modular Invariants of Linear
Groups
Nguyen Huu
Viet Hung and Pham Anh Minh

39

4

A Sufficent
Condition for Hamiltonian Cycles in Tough Graphs
Vu Dinh Hoa

57

5

On Balayage
Principles by Inverse Source Problems
Le Trong Luc

69

6

On
Globally Minimal Steiner Networks with Convex Boundary Points on the Plane
Nguyen Huu Quang

77

7

Computational Aspects
of Optimization Problems over the Efficient Set
Le Dung Muu

85

8

The ARProperty for Kalton
Sets
Tran Van An

107

9

The
Dual Algorithm for Minimizing the Sum of Absolute Values of Linear Functions
Pham The Long and
Dao Thanh Tinh

117

10

Multidimensional
Quantization and the Degenerate Principal Series Representations
Do Ngoc Diep

131

11

Rings
Whose Finitely Generated Modules Are Extending
Dinh Van Huynh, S. Tariq Rizvi
and M. F. Yousif

137

12

Representation
of Lipschitz Global Solutions of the Cauchy Problem
for HamiltonJacobi Equations
Tran Duc Van and Nguyen Hoang

139

13

On
Minimax Solutions of First Order Nonlinear PDEs with tMeasurable
Hamiltonians
Nguyen Duc Thai Son and Nguyen Dac Liem

145

14

On the Real Stability
Radius of Positive Linear Systems
Nguyen Khoa Son

151

15

On Direct and Inverse
Theorems in Multivariate Trigonometric Approximation
Dinh Dung

157
