Logarithmic intersections of double ramification cycles
نویسندگان
چکیده
We describe a theory of logarithmic Chow rings and tautological subrings for logarithmically smooth algebraic stacks, via generalisation the notion piecewise-polynomial functions. Using this machinery we prove that double-double ramification cycle lies in subring (classical) ring moduli space curves, double is divisorial (as conjectured by Molcho, Pandharipande, Schmitt).
منابع مشابه
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ژورنال
عنوان ژورنال: Algebraic geometry
سال: 2022
ISSN: ['2313-1691', '2214-2584']
DOI: https://doi.org/10.14231/ag-2022-017