A new deterministic method for computing Milnor number of an ICIS
A new deterministic method for computing Milnor number of an ICIS
复制标题
计算ICIS Milnor数的新确定性方法
DOI:
10.1007/978-3-030-85165-1_22
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
S. Tajima and K. Nabeshima,
中科院分区:
文献类型:
--
作者:
S. Tajima and Y. Umeta;S. Tajima and K. Nabeshima;S. Tajima and Y. Umeta;S. Tajima and K. Nabeshima,
The Milnor number of an isolated complete intersection singularity (ICIS) is considered in the context of symbolic computation. Based on the classical Lê-Greuel formula, a new method for computing Milnor numbers is introduced. Key ideas of our approach are the use of auxiliary indeterminates and the concept of local cohomology with coefficients in the field of rational functions of auxiliary indeterminates. The resulting algorithm is described and some examples are given for illustration.