On multiplicative perturbations of C 0 -groups and C 0 -cosine operator functions C. PalenciaS. Piskarev Research Article Pages: 127 - 152
On the invertibility and bounded extension of C 0 -semigroups Hans Zwart Research Article Pages: 153 - 160
Tensor products and preservation of limits, for acts over monoids S. Bulman-FlemingV. Laan Research Article Pages: 161 - 179
The existence of disjoint smallest ideals in the two natural products on β S Shea D. Burns Research Article Pages: 191 - 201
Star-operations on semigroups Myeong Og KimDong Je KwakYoung Soo Park Research Article Pages: 202 - 222
Regular semigroups with (REP) and (REP) op are not necessarily amalgamation bases Kunitaka Shoji Research Article Pages: 223 - 236
On comparing two chains of numerical semigroups and detecting arf semigroups David E. DobbsGretchen L. Matthews Research Article Pages: 237 - 246
One-parameter semigroups for linear evolution equations Klaus-Jochen EngelRainer Nagel BookReview Pages: 278 - 280