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VECTOR LATTICES ON A SET OF TWO GENERATORS
THE KEGEL-SHEMETKOV PROBLEM ON LATTICES OF GENERALIZED SUBNORMAL SUBGROUPS OF FINITE GROUPS
DEFINABILITY OF LEAST FIXED POINTS
PRESENTABILITY OF GROUPS OF Σ-DEFINABLE PERMUTATIONS OVER ADMISSIBLE SETS
MONOIDS WITH STABLE TORSION-FREE POLYGONS
A CLASS OF STRONGLY DECOMPOSABLE ABELIAN GROUPS