**Advances
in Theoretical and Applied Mathematics (ATAM****)**

**Volume 1
Number 2 (2006)**

*CONTENTS*

** **

Analytical solution for the time-fractional
Navier-Stokes equation

pp.
97-107

**Authors:
***Zaid M. Odibat and Shaher Momani*

A remark on the existence of positive solutions for some elliptic systems

pp. 109-113

**Authors:
***G.A. Afrouzi and
S.H. Rasouli*

Integral Solutions of
x^{2} + y^{2} = w^{2} + Dz^{2}

pp.
115-118

**Authors:
***M.A. Gopalan and S. Vidhyalakshmi*

Commutativity
of Rings with Constraints on Pair of Automorphisms

pp.
119-126

**Authors:
***Moharram A. Khan*

On the Ideals in
L^{1}-algebra of the Heisenberg group

pp.
127-131

**Authors:
***Kahar El-Hussein*

Inverse Technique
for Estimating Heat Source and Heat Surface

pp. 133-142

**Authors:
***A. Neisy*

The Zeros of the Generalized Twisted Bernoulli Polynomials

pp. 143-148

**Authors:
***C.S. Ryoo*

A Modified BFGS MethodWithout Line Searches for Nonconvex Unconstrained Optimization

pp. 149-162

**Authors:
***Yunhai Xiao, Zengxin Wei and Li Zhang*

On
Bivariate Quadratic Equation * kxy + 2m(x + y) = x*^{2} - y^{2}

pp. 163-166

**Authors:
***M.A. Gopalan and S. Vidhyalakshmi*

Integral
Solutions of *kxy - w(x+y)=z*^{2}

pp. 167-172

**Authors:
***M.A. Gopalan and S. Vidhyalakshmi*