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QUATERNIONIC CONSTRUCTION OF THE W(F4) POLYTOPES WITH THEIR DUAL POLYTOPES AND BRANCHING UNDER THE SUBGROUPS W(B4) AND W(B3) × W(A1)

    https://doi.org/10.1142/S0219887813500102Cited by:1 (Source: Crossref)

    Four-dimensional F4 polytopes and their dual polytopes have been constructed as the orbits of the Coxeter–Weyl group W(F4 ) where the group elements and the vertices of the polytopes are represented by quaternions. Branchings of an arbitrary W(F4 ) orbit under the Coxeter groups W(B4) and W(B3) × W(A1) have been presented. The role of group theoretical technique and the use of quaternions have been emphasized.