Strict positivity of one-form weights for conical resolutions
Strict positivity of one-form weights for conical resolutions
Let be a conical resolution over a field of any characteristic, with
and
The multiplicative group is denoted by , and it acts on through the conical structure. Strict-positivity conjecture. All -weights of are strictly positive. In characteristic zero, the paper proves the corresponding statement under these hypotheses; it states that no counterexamples are known in characteristic , which motivates the conjecture for arbitrary characteristic.
Sources & referencesView supporting material
Primary source
Dmitry Kubrak and Roman Travkin, “Resolutions with conical slices and descent for the Brauer group classes of certain central reductions of differential operators in characteristic p”, arXiv:1611.08340 (2019).
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