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Siran, Jozef
(2001).
DOI: https://doi.org/10.1112/plms/82.3.513
URL: http://journals.cambridge.org/download.php?file=%2...
Abstract
Using representations of triangle groups in 3-dimensional orthogonal groups over algebraic number fields we derive estimates on the number of edges of the smallest regular map of a given hyperbolic type wist a preassigned lower bound on the planar width of the map.