Ulrich bundles on Del Pezzo threefolds
نویسندگان
چکیده
We prove that for any r⩾2 the moduli space of stable Ulrich bundles rank r and determinant OX(r) on smooth Fano threefold X index two is dimension r2+1 same holds true even when four, in which case no odd–rank exist. In particular this shows such wild. As a preliminary result, we give necessary sufficient conditions existence projective terms curve enjoying special properties.
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ژورنال
عنوان ژورنال: Journal of Algebra
سال: 2023
ISSN: ['1090-266X', '0021-8693']
DOI: https://doi.org/10.1016/j.jalgebra.2023.06.034