Epimorphisms of demushkin groups |
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Authors: | Jack Sonn |
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Institution: | (1) Israel Institute of Technology, Haifa, Israel |
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Abstract: | A necessary condition that a continuous epimorphism from a Demushkin groupG onto a finitep-groupH can be factored epimorphically through a free prop-groupS-is given, which is sufficient whenH is abelian of exponentp
m≠2,m depending onG, 1≦m≦∞. In particular a free prop-factor groupS toG can have rank at most one half rankG. Application is made to embedding problems over localp-adic fields. |
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Keywords: | |
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