A Strictly Decreasing Invariant for Resolution of Singularities in Dimension Two
Vincent Cossart
Université de Versailles Saint-Quentin, Versailles, FranceBernd Schober
Leibniz Universität Hannover and Carl von Ossietzky Universität Oldenburg, Germany
Abstract
We construct a local invariant for resolution of singularities of two-dimensional excellent Noetherian schemes with boundary. We prove that the invariant strictly decreases at every step of the algorithm of Cossart, Jannsen and Saito.
Cite this article
Vincent Cossart, Bernd Schober, A Strictly Decreasing Invariant for Resolution of Singularities in Dimension Two. Publ. Res. Inst. Math. Sci. 56 (2020), no. 2, pp. 217–280
DOI 10.4171/PRIMS/56-2-1