DEFINABILITY OF TORSION-FREE ABELIAN GROUPS OF RANK 1 BY THEIR ENDOMORPHISM RINGS (ENDOMORPHISM SEMIGROUPS) AND GROUPS OF HOMOMORPHISMS |
| 6 | |
| 2013 |
| scientific article | 512.541.7 | ||
| 162-164 | hereditary graph class, forbidden induced subgraph, filtered graph class, computati |
| Let С be an Abelian group. A class X of Abelian groups is called an
С ЕН -class (
С Е |
 |