The paper «Decomposition theorems and extension principles for hesitant fuzzy sets«, by J. C.R. Alcantud and V. Torra, has been accepted for publication in the special issue «Hesitant Fuzzy Information for Information Fusion in Decision Making» of Information Fusion. The impact factor of this journal is 5.667, its 5-year impact factor is 5.780 (JCR 2016).