Title	Publication Date	Language	Citations
Undirected power graphs of semigroups	2009/01/27	English	146
The zero-divisor graph of a commutative semigroup	2002/04/12	English	137
Pseudo almost automorphic solutions to semilinear differential equations in Banach spaces	2007/10/03	English	115
Existence of the mild solution for some fractional differential equations with nonlocal conditions	2008/11/18	English	112
One-parameter semigroups for linear evolution equations	2001/06/01	English	99
Simplicity of algebras associated to étale groupoids	2013/11/14	English	73
Fuzzy sets in ordered groupoids	2001/10/01	English	67
Existence and Uniqueness of Almost Automorphic Mild Solutions to Some Semilinear Abstract Differential Equations	2004/03/18	English	63
A groupoid generalisation of Leavitt path algebras	2014/04/03	English	58
A note on sensitivity of semigroup actions	2007/11/13	English	56
On fractional resolvent operator functions	2009/10/14	English	56
The Category of S-Posets	2005/12/01	English	55
Feller semigroups on R N	2002/04/12	English	54
Semigroup Estimates and Noncoercive Boundary Value Problems	2000/01/01		53
An Invitation to C-semigroups	2001/01/01	English	48
Existence and uniqueness of mild solutions for semilinear integro-differential equations of fractional order with nonlocal initial conditions and delays	2009/06/30	English	47
Fibonacci-like behavior of the number of numerical semigroups of a given genus	2007/10/19	English	45
The monoid of orientation-preserving mappings on a chain	1999/03/01		44
Probabilistic Averaging in Bounded Rℓ-Monoids	2006/03/25	English	44
The Monoid of All Injective Order Preserving Partial Transformations on a Finite Chain	2001/01/01	English	41
On Cayley Graphs of Inverse Semigroups	2006/03/26	English	39
A Semigroup Approach to Queueing Systems	2007/12/01	English	39
Higher-Rank Graph C *-Algebras: An Inverse Semigroup and Groupoid Approach	2005/10/01	English	38
Unbounded Perturbations of C0-Semigroups on Banach Spaces and Applications	2005/06/02	English	38
The Laplacian with Wentzell-Robin boundary conditions on spaces of continuous functions	2003/05/07	English	37
A Hille-Yosida theorem for Bi-continuous semigroups	2003/05/23	English	36
Finiteness Properties of Varieties and the Restriction to Finite Algebras	2005/03/01	English	34
Factorization theory in commutative monoids	2020/01/06	English	33
Bounded mild solutions to fractional integro-differential equations in Banach spaces	2013/02/21	English	33
The tight groupoid of an inverse semigroup	2015/10/30	English	32