dual geometry with 5 points question

by snes_nerd
Tags: dual, geometry, points
snes_nerd is offline
Feb14-12, 07:23 PM
P: 13
Okay so I am given a 3D figure with 5 points. Keep in mind this model has the hyperbolic parallel property and satisfies the incidence axioms. The question is to construct the dual geometry and then to prove or disprove that it is an incidence geometry. My question is how do I go about constructing the dual geometry? I dont exactly know what they mean by dual geometry.
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HallsofIvy is offline
Feb15-12, 09:07 AM
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PF Gold
P: 38,886
The "dual geometry" to geometry "T" uses the lines of T as its points and the points of T as its lines.

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