Semigroups generated by certain operators on varieties of completely regular semigroups

On regular semigroups

T. E. Hall · Journal of Algebra · 1973 · 218 citations

Spectral Theory, Regular Semigroups, Topological Semigroups +2

Representing polynomials by positive linear functions on compact convex polyhedra

David Handelman · Pacific Journal of Mathematics · 1988 · 206 citations · Full text

Mathematical Programming, Compact Polyhedron, Engineering +12

On the lattice of varieties of bands of groups

T. E. Hall, Peter R. Jones · Pacific Journal of Mathematics · 1980 · 67 citations · Full text

Topological Semigroups, Regular Semigroups, Geometric Group Theory +15

Semigroups generated by certain operators on varieties of completely regular semigroups

Mario Petrich, Norman R. Reilly · Pacific Journal of Mathematics · 1988 · 62 citations · Full text

Certain Operators, Regular Semigroups, Topological Semigroups +7

Lattices of completely regular semigroup varieties

Francis Pastijn, Peter Trotter · Pacific Journal of Mathematics · 1985 · 60 citations · Full text