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Universal tessellations.

David Singerman (1988)

Revista Matemática de la Universidad Complutense de Madrid

All maps of type (m,n) are covered by a universal map M(m,n) which lies on one of the three simply connected Riemann surfaces; in fact M(m,n) covers all maps of type (r,s) where r|m and s|n. In this paper we construct a tessellation M which is universal for all maps on all surfaces. We also consider the tessellation M(8,3) which covers all triangular maps. This coincides with the well-known Farey tessellation and we find many connections between M(8,3) and M.

[unknown]

Nariya Kawazumi, Yusuke Kuno (0)

Annales de l’institut Fourier

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