JournalspmVol. 69, No. 4

Volume 69, No. 4 (2012)

Portugaliae Mathematica

Port. Math. cover

pp. 259–281
Construction of $n$ -ary $(H, G)$ -hypergroups
Said M. AnvariyehBijan DavvazSaeed Mirvakili
DOI 10.4171/PM/1917
pp. 283–303
On perfect polynomials over $F_{p}$ with $p$ irreducible factors
Luis H. GallardoOlivier Rahavandrainy
DOI 10.4171/PM/1918
pp. 305–320
Class $w A (s, t)$ operators and quasisimilarity
Mohammad H. M. Rashid
DOI 10.4171/PM/1919
pp. 321–339
Regularities and limit theorems of some additive functionals of symmetric stable process in some anisotropic Besov spaces
Aissa SghirHanae Ouahhabi
DOI 10.4171/PM/1920
pp. 341–360
Krohn–Rhodes complexity of Brauer type semigroups
Karl Auinger
DOI 10.4171/PM/1921