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A characterization of the Grassmann embedding of H(q), with q even

机译:H(q)的Grassmann嵌入的刻画,其中q偶

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摘要

In this note, we characterize the Grassmann embedding of H(q), q even, as the unique full embedding of H(q) in PG(12, q) for which each ideal line of H(q) is contained in a plane. In particular, we show that no such embedding exists for H(q), with q odd. As a corollary, we can classify all full polarized embeddings of H(q) in PG(12, q) with the property that the lines through any point are contained in a solid; they necessarily are Grassmann embeddings of H(q), with q even.
机译:在本说明中,我们将H(q),q的Grassmann嵌入特征化为PG(12,q)中H(q)的唯一完全嵌入,为此,平面中包含H(q)的每条理想线。特别地,我们证明对于H(q)不存在这样的嵌入,其中q为奇数。作为推论,我们可以对H(q)在PG(12,q)中的所有全极化嵌入进行分类,其特性是通过任何点的线都包含在实体中;它们必然是H(q)的Grassmann嵌入,且q均匀。

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