On elations in semi-transitive planes
[摘要] Letπbe a semi-transitive translation plane of even order with reference to the subplaneπ0. Ifπadmits an affine elation fixingπ0for each axis inπ0and the order ofπ0is not2or8, thenπis a Hall plane.
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[效力级别] [学科分类] 数学（综合）
[关键词] [时效性]
