2^{nd} International Conference
on

Discrete Mathematics and Applications

05.06-10.06 1990,* Blagoevgrad
*

Edited by K.Chimev and Sl.Shtrakov

1. K.N. Chimev "*
Strongly Essential Variables and Separable Sets of Arguments for Functions "*

2. G.P. Gavrilov
"*Preserving of Some Noninterative Properties When Identifying Variables of
Boolean Functions"*

3. G.P. Gavrilov, I.A. Muzichuk
"*
On Critical Edge-Colouring of Graphs "*

4. I.Strazdins "*
Group Invariance in the Algebra of Logic "*

5.
J.Hion "*On (0,1)- Matrices with Given Lower Bonds of Sums of Columns and
with Prescribed type of rows"*

6. K.Denecke "*
On Congrumences of Partial Clones "*

7. V.I. Maligin
"*
The Space of Output Functions of Finite Automata Connected with Variety
of Groups"*

8. B.V. Kudriavcev "*
On Behaviour of Automata in Labyrints"*

9.
Sl.Shtrakov "*
Separability and Dominance of Sets of Variables for Functions"*

10. K.N.Chimev, I.Mirchev "*
On Identifing of Variables for Functions "*

11.
K.Tarkalanov "*Preserving of the Properties of Invariant Decode
Automata and
Successive Connecting"*

12. K.Manev "*
A Parallel Algorithm for Finding of Dual Matroids"*

13. P.I
Petrov,A.I Atanasov "*
On a Problem for Maximal Way Evaluation"*

14. St.Kapralov "*Non-Embeddable 2 - (10,7,14)
design"*

*
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