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kin edit
And what does a 5/10 rotation give? A lens space? —Tamfang 06:25, 10 March 2007 (UTC)
- RP^3. 5/10 rotation gluing of opposite faces is the antipodal map.
Wrong image? edit
Is File:3-Manifold SeifertWeberR.png correct? To me it looks like the order-four dodecahedral honeycomb (the vertices are junctions where three lines of edges meet at right angles), not the order-five honeycomb which would have 12 edges meeting at each vertex. I'm going to remove the image from the article unless someone can convince me that it really is the order-five honeycomb.
