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Algorithmic Computation of Flattenings and of Modular Deformations

机译:拼合和模量变形的算法计算

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This paper presents an algorithm for the computation of any jet of the flattening stratum of a module over a local algebra based on an obstruction theory for lifting flatness. It is applied to modular deformations of singular germs. Infinitesimal modular deformations of isolated complete intersection singularities are characterized as flattening strata of its first tangent cohomology. Some examples are discussed that indicate relations with moduli spaces of certain classes of singularities. Implementations are done in SINGULAR.
机译:本文提出了一种基于提升平坦度的障碍理论来计算模块在局部代数上的平坦层的射流的算法。它适用于奇异细菌的模块化变形。孤立的完整交点奇点的无穷小模块化变形的特征是其第一个切线同调的平坦层。讨论了一些示例,这些示例指示与某些类的奇点的模空间的关系。实现以单数形式完成。

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