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- Runcination abstract "In geometry, runcination is an operation that cuts a regular polytope (or honeycomb) simultaneously along the faces, edges and vertices, creating new facets in place of the original face, edge, and vertex centers.It is a higher order truncation operation, following cantellation, and truncation.It is represented by an extended Schläfli symbol t0,3{p,q,...}. This operation only exists for 4-polytopes {p,q,r} or higher.This operation is dual-symmetric for regular polychora and 3-space convex uniform honeycombs.For a regular {p,q,r} polychoron, the original {p,q} cells remain, but become separated. The gaps at the separated faces become p-gonal prisms. The gaps between the separated edges become r-gonal prisms. The gaps between the separated vertices become {r,q} cells. The vertex figure for a regular 4-polytope {p,q,r} is an q-gonal antiprism (called an antipodium if p and r are different).For regular polychora/honeycombs, this operation is also called expansion by Alicia Boole Stott, as imagined by taking the cells of the regular form moving them away from the center and filling in new faces in the gaps for each opened vertex and edge.Runcinated polychoron/honeycombs forms:".
- Runcination thumbnail Runcinated_cubic_honeycomb.png?width=300.
- Runcination wikiPageID "6793390".
- Runcination wikiPageRevisionID "574228802".
- Runcination anchor "Truncation".
- Runcination hasPhotoCollection Runcination.
- Runcination title "Expansion".
- Runcination title "Truncation".
- Runcination urlname "Expansion".
- Runcination subject Category:Polytopes.
- Runcination comment "In geometry, runcination is an operation that cuts a regular polytope (or honeycomb) simultaneously along the faces, edges and vertices, creating new facets in place of the original face, edge, and vertex centers.It is a higher order truncation operation, following cantellation, and truncation.It is represented by an extended Schläfli symbol t0,3{p,q,...}.".
- Runcination label "Runcination".
- Runcination sameAs m.0gp728.
- Runcination sameAs Q3890169.
- Runcination sameAs Q3890169.
- Runcination wasDerivedFrom Runcination?oldid=574228802.
- Runcination depiction Runcinated_cubic_honeycomb.png.
- Runcination isPrimaryTopicOf Runcination.