Resolutions of differential operators of low order for an isolated hypersurface singularity

التفاصيل البيبلوغرافية
العنوان: Resolutions of differential operators of low order for an isolated hypersurface singularity
المؤلفون: Diethorn, Rachel N., Jeffries, Jack, Miller, Claudia, Packauskas, Nicholas, Pollitz, Josh, Rahmati, Hamidreza, Vassiliadou, Sophia
سنة النشر: 2022
المجموعة: Mathematics
مصطلحات موضوعية: Mathematics - Commutative Algebra, Mathematics - Algebraic Geometry, 13D02, 13N05, 13N15, 14B05, 14M10
الوصف: In this paper we develop a new approach for studying differential operators of an isolated singularity graded hypersurface ring $R$ defining a surface in affine three-space over a field of characteristic zero. With this method, we construct an explicit minimal generating set for the modules of differential operators of order two and three, as well as their minimal free resolutions; this expands results of Bernstein, Gel'fand, and Gel'fand and of Vigu\'e. Our construction relies, in part, on a description of these modules that we derive in the singularity category of $R$. Namely, we build explicit matrix factorizations starting from that of the residue field.
Comment: 53 pages, to appear in Mich Math J
نوع الوثيقة: Working Paper
URL الوصول: http://arxiv.org/abs/2209.13110
رقم الأكسشن: edsarx.2209.13110
قاعدة البيانات: arXiv