Hilbert–Kunz Functions of Cubic Curves and Surfaces
✍ Scribed by Ragnar-Olaf Buchweitz; Qun Chen
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 293 KB
- Volume
- 197
- Category
- Article
- ISSN
- 0021-8693
No coin nor oath required. For personal study only.
✦ Synopsis
We determine the Hilbert᎐Kunz function of plane elliptic curves in odd characteristic, as well as over arbitrary fields the generalized Hilbert᎐Kunz functions of nodal cubic curves. Together with results of K. Pardue and P. Monsky, this completes the list of Hilbert᎐Kunz functions of plane cubics. Combining these Ž . results with the calculation of the generalized Hilbert᎐Kunz function of Cayley's cubic surface, it follows that in each degree and over any field of positive characteristic there are curves resp. surfaces taking on the minimally possible Hilbert᎐Kunz multiplicity.
📜 SIMILAR VOLUMES
In this paper we find an algorithm which computes the Hilbert function of schemes Z of ''fat points'' in ސ 3 whose support lies on a rational normal cubic curve C. The algorithm shows that the maximality of the Hilbert function in degree Ž t is related to the existence of fixed curves either C its