Details:
Title  Cohen–Macaulayness of almost complete intersection tangent cones  Author(s)  Takafumi Shibuta  Type  Article in Journal  Abstract  We prove that associated graded rings of complete intersection monomial curves of codimension three are Cohen–Macaulay if their defining ideals are generated by at most four elements.  Keywords  Commutative algebra, Standard bases, Associated graded rings, Monomial curves  ISSN  00218693 
URL 
http://www.sciencedirect.com/science/article/pii/S0021869307006539 
Language  English  Journal  Journal of Algebra  Volume  319  Number  8  Pages  3222  3243  Year  2008  Edition  0  Translation 
No  Refereed 
No 
