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About: Alternation (geometry)     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:MilitaryConflict, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: military conflict New Facet based on Instances of this Class

In geometry, an alternation or partial truncation, is an operation on a polygon, polyhedron, tiling, or higher dimensional polytope that removes alternate vertices. Coxeter labels an alternation by a prefixed h, standing for hemi or half. Because alternation reduces all polygon faces to half as many sides, it can only be applied to polytopes with all even-sided faces. An alternated square face becomes a digon, and being degenerate, is usually reduced to a single edge.