Conformal Vector Fields in Compact Riemannian Manifolds
Conformal Vector Fields in Compact Riemannian Manifolds
C0NF0RMAL VECTOR FIELDS 653 potents in each semigroup was a finite discrete set.It might be of interest to know if there exists a semigroup S = ESE which is compact connected, has a zero, is not acyclic and such that the set of idempotents is connected.