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Models of simply-connected trivalent 2-dimensional stratifolds

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Abstract

Trivalent 2-stratifolds are a generalization of 2-manifolds in that there are disjoint simple closed curves where three sheets meet. We develop operations on their associated labeled graphs that will effectively construct from a single vertex all graphs that represent simply connected trivalent 2-stratifolds.

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Acknowledgements

J. C. Gómez-Larrañaga would like to thank LAISLA and INRIA Saclay for financial support and INRIA Saclay and IST Austria for their hospitality. The authors would like to thank the referees for many helpful suggestions that resulted in a more readable paper.

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Correspondence to Wolfgang Heil.

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Gómez-Larrañaga, J.C., González-Acuña, F. & Heil, W. Models of simply-connected trivalent 2-dimensional stratifolds. Bol. Soc. Mat. Mex. 26, 1301–1312 (2020). https://doi.org/10.1007/s40590-020-00283-2

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