Resolution of divisors by weakly admissible blow-ups
Resolution of divisors by weakly admissible blow-ups
Let be a coordinated normal crossing scheme over , and let be any effective divisor of . A weakly admissible composition of blowing-ups over is a morphism obtained by such a composition, and an extended pull-back is the coordinated normal crossing scheme induced by . Resolution of divisors conjecture. There exist a weakly admissible composition of blowing-ups over and an extended pull-back of by satisfying
This is a resolution statement asserting that the total transform of the chosen effective divisor together with the original normal-crossing boundary can be supported on the resulting boundary after a controlled sequence of blow-ups. The supplied text does not state whether this assertion is open, proved, or refuted.
Sources & referencesView supporting material
Primary source
Tohsuke Urabe, “New Ideas for Resolution of Singularities in Arbitrary Characteristics”, arXiv:1004.5446 (2010).
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