Tangent developable surfaces and the equations defining algebraic curves

Tangent developable surfaces and the equations defining algebraic curves
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DOI:
10.1090/bull/1683
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发表时间:
2019-06
影响因子:
1.3
通讯作者:
L. Ein;R. Lazarsfeld
L. Ein;R. Lazarsfeld
中科院分区:
数学1区
文献类型:
--
作者:
L. Ein;R. Lazarsfeld

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这是一个介绍,针对一般的数学观众,最近的工作Aprodu,法卡斯,Papadima,Raicu和韦曼。这些作者建立了一个长期存在的民间猜想有关的方程定义的切可展曲面的一个合理的正常曲线。这反过来又导致了一个新的证明的基本定理Voisin syzygies的一般典型曲线。本说明是第二作者在2019年JMM时事研讨会上发表的演讲的总结,调查了这一思想圈。
This is an introduction, aimed at a general mathematical audience, to recent work of Aprodu, Farkas, Papadima, Raicu and Weyman. These authors established a long-standing folk conjecture concerning the equations defining the tangent developable surface of a rational normal curve. This in turn led to a new proof of a fundamental theorem of Voisin on the syzygies of a general canonical curve. The present note, which is the write-up of a talk given by the second author at the Current Events seminar at the 2019 JMM, surveys this circle of ideas.