Example image of eyePlorer eyePlorer map for 'En (Lie algebra)': Coxeter–Dynkin diagram Kac–Moody algebra Lie algebra Mathematics E6 (mathematics) E7 (mathematics) E8 (mathematics) Affine Lie algebra E8 lattice Unimodular lattice M-theory Heisenberg group Nilradical of a Lie algebra Semiregular k 21 polytope Semiregular polyhedron E7½ Uniform 2 k1 polytope E11 E9 EN
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