A CHARACTERISTIC PROPERTY OF ELLIPTIC PLÜCKER TRANSFORMATIONS Dedicated to Walter Benz on the occasion of his 65th birthday
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چکیده
We discuss elliptic Plücker transformations of three-dimensional elliptic spaces. These are permutations on the set of lines such that any two related (orthogonally intersecting or identical) lines go over to related lines in both directions. It will be shown that for “classical” elliptic 3spaces a bijection of its lines is already a Plücker transformation, if related lines go over to related lines. Moreover, if the ground field admits only surjective monomorphisms, then “bijection” can be replaced by “injection”.
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تاریخ انتشار 1997