Pre-Lie algebras and the rooted trees operad

Pre-Lie algebras and the rooted trees operad
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DOI:
10.1155/s1073792801000198
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发表时间:
2000-02
影响因子:
1
通讯作者:
F. Chapoton;M. Livernet
F. Chapoton;M. Livernet
中科院分区:
数学1区
文献类型:
--
作者:
F. Chapoton;M. Livernet

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一个预李代数是一个向量空间L,它被赋予一个双线性积 *:L \times L到L,满足关系(x*y)*z-x*(y*z)=(x*z)*y-x*(z*y),对于L中的所有x,y,z。我们给出了一个明确的组合描述的根树的运算与这种类型的代数,并证明它是一个Koszul运算。
A Pre-Lie algebra is a vector space L endowed with a bilinear product * : L \times L to L satisfying the relation (x*y)*z-x*(y*z)= (x*z)*y-x*(z*y), for all x,y,z in L. We give an explicit combinatorial description in terms of rooted trees of the operad associated to this type of algebras and prove that it is a Koszul operad.