Abstract
Stable maps into the plane are good tools to obtain “views” of higher dimensional manifolds. We introduce the planar portraits to define the “view” properly. To start studying their relation to manifolds, we restrict our attention to their basic piece called the cusped fan. Fibreing structures over the cusped fan are studied and given a geometric characterisation. As by-products, we supply various stable maps and planar portraits of closed manifolds. In particular, two infiniteness properties of planar portraits are shown by using these examples.
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Kobayashi, M. On the cusped fan in a planar portrait of a manifold. Geom Dedicata 162, 25–43 (2013). https://doi.org/10.1007/s10711-012-9715-3
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DOI: https://doi.org/10.1007/s10711-012-9715-3