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We prove the non-existence of expansive subgroups with trivial global core in different families of Roquette groups. This study is motivated by the importance of expansive subgroups in the theory of stabilizing bisets highlighted in [4].
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Name
Monnard-exp.pdf
Type
Preprint
Access type
openaccess
Size
436.78 KB
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Adobe PDF
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92823eb0a917566b3dd63e29c107cf9f