Abstract
Automorphisms of non-trivial spine spaces are either, type-preserving, or type-exchanging, that is, they map stars onto stars or exchange them with tops. In the first case they are given by semi-linear bijections, in the latter, by sesqui-linear forms.
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Prażmowski, K., Zynel, M. Automorphisms of spine spaces. Abh.Math.Semin.Univ.Hambg. 72, 59–77 (2002). https://doi.org/10.1007/BF02941665
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DOI: https://doi.org/10.1007/BF02941665