A generalisation of Schaefer’s bijunctivity criterion

Articles in the same Issue

1. Masthead
2. Atoms of the lattice of positively closed classes of three-valued logic
3. A generalisation of Schaefer’s bijunctivity criterion
4. The lattices of n-multiply Ω1-foliated τ-closed formations of multioperator T -groups
5. On the minors of the matrix of constraints of multi-index transportation problems
6. Extremal problems for panchromatic colourings of uniform hypergraphs
7. Calculation of the entropy for a hidden Markov chain
8. Limit distributions of the number of vertices of given degree in the forest of a random mapping with a given number of cycles
9. On the generalised allocation scheme with a random number of particles