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Abstract
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Triality is a classical notion in geometry that arose in the context of the Lie groups of
type
.
Another notion of triality, Wilson triality, appears in the context of reflexible maps.
We build a bridge between these two notions, showing how to construct an incidence
geometry with a triality from a map that admits a Wilson triality. We also
extend a result by Jones and Poulton, showing that for every prime power
, the
group
has maps that admit Wilson trialities but no dualities.
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In memoriam Jacques Tits, whose
mathematicshave been a great source of inspiration in our
work
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Keywords
triality, maps, incidence geometry, projective special
linear groups
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Mathematical Subject Classification
Primary: 20C33, 51A10, 51E24
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Milestones
Received: 31 August 2022
Revised: 17 January 2023
Accepted: 15 February 2023
Published: 13 September 2023
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© 2023 The Author(s), under
exclusive license to MSP (Mathematical Sciences
Publishers). |
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