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Portugaliae Mathematica


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Volume 74, Issue 3, 2017
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Special issue on computational algebra
João Araújo and Peter J. Cameron
pp. 171–172
Abstract | Full-Text PDF (25 KB) | Metadata

Two variants of the Froidure–Pin Algorithm for finite semigroups
Julius Jonušas, James D. Mitchell and Markus Pfeiffer
pp. 173–200
Abstract | Full-Text PDF (1693 KB) | Metadata

Finding intermediate subgroups
Alexander Hulpke
pp. 201–212
Abstract | Full-Text PDF (142 KB) | Metadata

Synchronization and separation in the Johnson schemes
Mohammed Aljohani, John Bamberg and Peter J. Cameron
pp. 213–232
Abstract | Full-Text PDF (142 KB) | Metadata

On classifying objects with specified groups of automorphisms, friendly subgroups, and Sylow tower groups
Leonard H. Soicher
pp. 233–242
Abstract | Full-Text PDF (101 KB) | Metadata

Commutativity theorems for groups and semigroups
Francisco Araújo and Michael Kinyon
pp. 243–255
Abstract | Full-Text PDF (99 KB) | Metadata

A new class of monohedral pentagonal spherical tilings with GeoGebra
Ana M. d'Azevedo Breda and José M. Dos Santos Dos Santos
pp. 257–266
Abstract | Full-Text PDF (2417 KB) | Metadata