FILOMAT 15 (2001)

All papers are presented at the IMC "FILOMAT 2001", Nis, August 26-30, 2001

Contents:

M. Bjelica and S. Lakic, *Criteria for sets of scores with presribed positions*, 1-5.

I. Dolinka, *From twists to involution bands*, 7-16.

A. A. Kostin and B. V. Novikov, *Semigroup cohomology as a derived functor*, 17- 23.

P. V. Krtolica, P. S. Stanimirovic and R. Stanojevic, *Reverse Polish notation in constructing the algorithm for polygon triangulation*, 25-33.

S. Lakic and M. Bjelica, *On a modification of the AOR method*, 35-37.

V. Lazarevic and A. Tepavcevic, *A new oredring relation on lattices applied to weak congruences*, 39-46.

E. Malkowsky and V. Velickovic, *Potential surfaces and their graphical representations*, 47-54.

I. Z. Milovanovic, E. I. Milovanovic, M. K. Stojcev, T. I. Tokic and N. M. Stojanovic, *Determining space parameters in systolic array design*, 55-60.

S. Shtrakov and V. Shtrakov, *Tree automata and separable sets of input variables*, 61-69.

P. S. Stanimirovic and M. B. Tasic, *Drazin inverse of one variable polynomial matrices*, 71-78.

D. Stevanovic, *Antipodal graphs of small diameter*, 79-83.

J. Usan and M. Zizovic, *Note on near-P--polyagroups*, 85-90.

M. Vincic, *Global determinism of *-bands*, 91-97.

M. Ciric, T. Petkovic, S. Bogdanovic and M. Bogdanovic, *Remarks on power automata*, 99-109.

M. Scheepers, *Selection principles in topology: new directions,* 111-126.

L. Babinkostova, *Selective versions of screenability*, 127-134.

D. Milovancevic, *On the Stone-Cech compatification of $Omega$-spaces*, 135-140.

S. V. Jablan, *New knot tables*, 141-152.

M. Dj. Milojevic, *Axiomatically established order geometry in the EH-geoemtry*, 153-166.

S. M. Mincic, M. S. Stankovic and Lj. S. Velimirovic, *Generalized Kahlerian spaces*, 167-174.

S. M. Mincic, Lj. S. Velimirovic and M. S. Stankovic, *Infinitesimal deformations of a non-symmetric affine connection space*, 175-182.

Lj. Radovic, *Derivation of multidimensional superperiodic symmetry groups by using Mackay groups*, 183-190.

K. Trencevski, *On the permutation products of torus*, 191-196.

R. Kravarusic, M. Mijatovic and S. Pilipovic, *Integrated semigroups of unbounded linear operators*, 197-210.

I. D. Arandjelovic, *A note on Sorgenfrey line*, 211-213.

D. Djurcic and A. Torgasev, *O-regularly variability and power series*, 215-220.

M. M. Milovanovic-Arandjelovic, *Measures of noncomactness on uniform spaces - the axiomatic approach*, 221-225.

V. M. Cojbasic, *Nonlinear AR(1) and MA(1) time series models*, 227-231.

B. C. Popovic and M. M. Ristic, *Matrix representation of BUAR(1)*, 233-238.

B. S. Jovanovic and L. G. Vulkov, *Stability and convergence of difference schemes for parabolic interface problems*, 239-246.

I. T. Dimitrova and L. Vulkov, *High order $\epsilon$-uniform methods for singularly perturbed reaction-diffusion problems with discontinuous coefficients and singular sources*, 247-256.

J. D. Kandilarov, *Comparasion of various numerical methods for solving of elliptic interface problems*, 257-264.

L. M. Kocic and A. C. Simoncelli, *Cantor dust by AIFS**,* 265-276.

P. Rajkovic and S. Marinkovic, *On Q-analogies of generalized Hermite's polynomials*, 277-283.

P. S. Stanimirovic, N. V. Stojkovic, B. Momcilovic and Z. Jovanovic, *Augmented and normal equations system in Mehrotra's primal-dual algorithm*, 285-292.

V. N. Kolokoltsov, *Mathematics of the Feyman path integral*, 293-311.

D. Bigatti, *Gauge theory of the fuzzy torus*, 313-322.

G. S. Djordjevic, B. Dragovich and L. Nesic, *p-adic Feymman's path integrals*, 323-330.

M. Dugic, *On the investigation of separability of a bipartite system observable*, 331-338.

S. Prvanovic, *New ordering rule and Lie bracket of quantum mechanics*, 339-343.

M. Raos and L. Nesic, *Vector and scalar variables laminar natural convection in 2D geometry arbitrary angle of inclination*, 345-351.

E. Malkowsky and Mursaleen, *Some matrix transformation between the difference sequence spaces $\Delta c_0(p)$, $\Delta c(p)$ and $\Delta \ell_\infty(p)$*, 353-363.