A characterization of a special ordering in a root system
A characterization of a special ordering in a root system
复制标题
根系统中特殊排序的表征
DOI:
10.1090/s0002-9939-1994-1169886-7
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发表时间:
1994
期刊:
影响因子:
--
通讯作者:
P. Papi
中科院分区:
文献类型:
--
作者:
P. Papi
We give necessary and sufficient conditions for an ordering of a set of positive roots in a root system R to be associated to a reduced expression of an element of the Weyl group of R . Finally we characterize the sets of positive roots which can be given such an ordering.