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Local derivations on the Witt algebra in prime characteristic
Linear and Multilinear Algebra ( IF 0.9 ) Pub Date : 2020-09-30 , DOI: 10.1080/03081087.2020.1819189
Yu-Feng Yao 1
Affiliation  

Let g be the Witt algebra over an infinite field of prime characteristic p. In this paper, we discuss the properties of local derivations on g, and prove that every local derivation on g is a derivation. Moreover, it is shown that there exist some local derivations which are not derivations for the maximal subalgebra g0 of g.



中文翻译:

素数特征中 Witt 代数的局部推导

G是素数特征p的无限域上的 Witt 代数。在本文中,我们讨论了局部导数的性质G, 并证明每个局部推导G是一个推导。此外,证明了存在一些局部推导,这些推导不是最大子代数的推导G0G.

更新日期:2020-09-30
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