Semigroup Forum

One-parameter semigroups for linear evolution equations

Klaus‐Jochen Engel, Rainer Nagel · 2001 · 3.5K citations

Natural Sciences, Mathematics, Differential Equations +9

Undirected power graphs of semigroups

Ivy Chakrabarty, M. K. Sen · 2009 · 305 citations

Natural Sciences, Mathematics, Combinatorics +4

On numerical semigroups

Ralf Fröberg, Christian Gottlieb, Roland Häggkvist · 1986 · 255 citations

The zero-divisor graph of a commutative semigroup

Frank DeMeyer, Thomas C. McKenzie, Kim Schneider · 2002 · 225 citations

Natural Sciences, Mathematics, Algebra +8

On the ranks of certain semigroups of order-preserving transformations

Gracinda M. S. Gomes, John Howie · 1992 · 181 citations

Natural Sciences, Mathematics, Representation Theory +10