Embedded resolution of singularities for quasi-excellent regular schemes
Embedded resolution of singularities for quasi-excellent regular schemes
Let be a reduced closed subscheme of a quasi-excellent regular Noetherian scheme . Write for the strict transform of under a proper birational morphism , and write for the singular locus of . Embedded resolution of singularities. There exist a regular scheme and a proper, birational morphism such that
where each irreducible component of the divisor is regular, its components intersect transversally, and it intersects transversally. Thus the singularities of admit an embedded resolution by a proper birational modification that is an isomorphism away from the singular locus. The statement is presented as the characteristic-zero-style resolution goal for classes of singularities in general, including positive or mixed characteristic; the supplied context does not establish whether it is known or remains open in the stated generality.
Sources & referencesView supporting material
Primary source
Bernd Schober, “Partial local resolution by characteristic zero methods”, arXiv:1708.04784 (2018).
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