**FILOMAT **

Volume 23, Number 1, February 2009

**Contents **

1. E. I. Milovanovic, M. P. Bekakos, I. Z. Milovanovic and B. M.
Randjelovic

Finding miminum cost spanning tree on bidirectional
linear systolic array, 1-12

2. Mohsen Alimohammady and Mehdi Roohi

A system of generalized variational inclusion problems involving $(a,\eta)$-monotone mappings,
13-20

3. A. Bachir and A. Segres

Numerical range and
orthogonality in normed spaces, 21-41

4. Zhao Li and Jie Sun

Mixed and componentwise condition
numbers for weighted moore-penrose inverse and weighted least squares problems,
43-59

5. Bujar Xh. Fejzullahu

On convergence and divergence of
Fourier expansions associated to Jacobi measure with mass points, 61-68

6. S. S. Dragomir

Vector inequalities for powers of some
operators in Hilbert spaces, 69-83

7. Vesna Manojlovic

Bi-Lipschicity of quasiconformal
harmonic mappings in the plane, 85-89

8. A. Ebadian and A. Tehranchi

Functions by applying the
Ruscheweyh derivatives, 91-101