Smoothings of cyclic quotient singularities from a topological point of view

Details Smoothings of cyclic quotient singularities from a topological point of view Smoothings of cyclic quotient singularities from a topological point of view

1999-11-10

arxiv.org/abs/math/9911070v1

Mathematics

Algebraic Geometry

11 pages, 13 figures

Scientific paper

For a smoothing Y of a 2-dimensional cyclic quotient singularity X, we construct a simple handle decomposition of Y by using a particular birational map from Y to the projective plane. The manifold Y is built up from the product of an annulus with a disk by attaching 2-handles in a manner which can be described by means of a plumbing graph. In particular, Y is homotopy equivalent to a 2-dimensional CW-complex with 1-skeleton a single circle.

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