On a Space Related to the Affine Building of Type E7
نویسنده
چکیده
A locally truncated geometry with diagram of type affine E7 is studied. One considers a parapolar space e Γ, locally of type A7,4, which is subject to an extra axiom. A covering Γ of this space is constructed. It is proved that Γ is a rank 6, residually connected, locally truncated diagram geometry which is a homomorphic image of a truncated building of affine type E7. Consequently, e Γ is also a homomorphic image of a truncated building.
منابع مشابه
On a Space Related To
A locally truncated geometry with diagram of type affine E7 is studied. One considers a parapolar space e Γ, locally of type A7,4, which is subject to an extra axiom. A covering Γ of this space is constructed. It is proved that Γ is a rank 6, residually connected, locally truncated diagram geometry which is a homomorphic image of a truncated building of affine type E7. Consequently, e Γ is also...
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تاریخ انتشار 2007