Journal of Semigroup Theory and Applications (JSTA) is a peer-reviewed open access international journal, which is aimed to provide a publication forum for important research in semigroup theory, including algebraic semigroups, topological semigroups, partially ordered semigroups, semigroups of measures and harmonic analysis on semigroups, transformation semigroups, semigroups of operators, and applications of semigroup theory. This journal will accept high quality articles containing original research results and survey articles of exceptional merit.