A note on maximal subgroups of free idempotent generated semigroups over bands
arXiv:1010.3737 · doi:10.1007/s10998-012-2776-0
Abstract
We prove that all maximal subgroups of the free idempotent generated semigroup over a band B are free for all B belonging to a band variety V if and only if V consists either of left seminormal bands, or of right seminormal bands.
10 pages; to appear in Periodica Mathematica Hungarica