Groups of finite Morley rank with a pseudoreflection action
Groups of finite Morley rank with a pseudoreflection action
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具有伪反射作用的有限莫利秩组
DOI:
10.1016/j.jalgebra.2012.06.022
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发表时间:
2012
影响因子:
0.9
通讯作者:
Berkman A
中科院分区:
文献类型:
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作者:
Berkman A
In this work, we give two characterisations of the general linear group over an algebraically closed field as a group G of finite Morley rank acting on an abelian connected group V of finite Morley rank definably (in the sense that G⋉V is a group of finite Morley rank in which G and V are definable), faithfully and irreducibly. We prove that if the pseudoreflection rank of G is equal to the Morley rank of V, then V has a definable vector space structure over an algebraically closed field, G≅GL(V) and the action is the natural action. The same result holds also under the assumption of Prüfer 2-rank of G being equal to the Morley rank of V.
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DOI:
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