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math.GR2018
All januarials constructed from Hecke groups
Saadia Mehwish, Qaiser Mushtaq
Professor Graham Higman defined januarial as a special instance of map constructed from embedding of a coset diagram for an action of , on finite sets yielding exactl…
math.GR2018
Januarials of simple and general type
Saadia Mehwish, Qaiser Mushtaq
Januarials were defined by Graham Higman in his last series of lectures. In this paper we answer some questions posed by Higman in these lectures.