The natural filtrations of the infinite-dimensional modular Lie superalgebra SHO are proved to be invariant under automo......

The natural filtrations of the general algebra -W and the special algebra -S of formal vectorfields are proved to be inv......

讨化了σ-代数流的结构,并给出其一般性的结果;归纳出各σ-代数流的相互关系;最后介绍其两个简单应用.......