**
***Volume
6, Number 2 (2014)*

*Contents*

**Lotka Volterra Model with Time Delay**

pp. 115-120

Authors: Tapas Kumar Sinha and Sachinandan Chanda

The Wiener Related Indices of Some Graph Operations

pp. 121-134

Authors: A. Arivalagan, K. Pattabiraman and V.S.A. Subramanian

On Partial Quasi-bilateral Generating Functions Involving Gegenbauer Polynomials

pp. 135-142

Authors: K.P. Samanta and B. Samanta

Signless Laplacian polynomial of some class of graphs with their spectra and energy

pp. 143-148

Authors: H. S. Ramane and S. S. Shinde

Generalized Mixed Equilibrium Problems with Extended Relaxed ��-monotonicity

pp. 149-156

Authors: Khushbu and Zubair Khan

Power Filtering of ��-th Order in the Linear Canonical Domain

pp. 157-162

Authors: A.S. Gudadhe and P.P. Thakare

Bianchi Type II Stiff Fluid Tilted Cosmological Model in General Relativity

pp. 163-172

Author: B. L. Meena

Graceful Labeling for Cycle of Graphs

pp. 173–178

Authors: V. J. Kaneria, H. M. Makadia and M. M. Jariya

**Geometric Mean Labeling on Double Quadrilateral Snake Graphs**

pp. 179-182

Authors: S.S. Sandhya and S. Somasundaram

A new initial search direction for nonlinear conjugate gradient method

pp. 183–190

Authors: Sumit Saha and Biprajit Nath

**Square Difference Labeling of Graphs**

pp. 191-204

Authors: G. Amuda and S. Meena