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arXiv math/0608633math.AGmath.AC
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喷流格式的一种高维模拟

One higher dimensional analog of jet schemes

Cornelia Yuen

摘要:

我们发展了截断楔形格式的理论,这是一种高维的类似喷流格式的格式。我们证明了一些基本的性质,并给出了一个不可约准则截断楔形格式的局部完整的交叉品种类似Mustaeruginski的喷气计划。我们表明,减少的子计划结构的截断楔形计划的任何单项计划本身是一个单项计划在一个自然的方式,明确描述发电机的任何截断楔形计划的单项超曲面的每个最小素数。证明了约化单项式超曲面的截断楔格式的不可约分支都具有重数1。

英文摘要:

We develop the theory of truncated wedge schemes, a higher dimensional analog of jet schemes. We prove some basic properties and give an irreducibility criterion for truncated wedge schemes of a locally complete intersection variety analogous to Mustaţǎ's for jet schemes. We show that the reduced subscheme structure of a truncated wedge scheme of any monomial scheme is itself a monomial scheme in a natural way by explicitly describing generators of each of the minimal primes of any truncated wedge scheme of a monomial hypersurface. We give evidence that the irreducible components of the truncated wedge schemes of a reduced monomial hypersurface all have multiplicity one.

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