Abstract
We give a geometric realization of a subcategory of the m-cluster category 𝒞
m
of type , by using (m + 2)-angulations of an annulus with p + q marked points. We also give a bijection between an equivalence class of (m + 2)-angulations and the mutation class of coloured quivers of type
.
2010 Mathematics Subject Classification:
ACKNOWLEDGMENTS
The author would like to thank the anonymous referee for helpful suggestions.
Notes
Communicated by S. Bazzoni.