Open AccessDelight and Frustration with Number “Seven” in Plane Geometry and the Regular Heptagon
Author(s) -
Alfred Wünsche
Publication year - 2021
Publication title -
advances in pure mathematics
Language(s) - English
Resource type - Journals
eISSN - 2160-0368
pISSN - 2160-0384
DOI - 10.4236/apm.2021.111005
Subject(s) - plane symmetry , symmetry (geometry) , tessellation (computer graphics) , substitution tiling , geometry , symmetry operation , mathematics , aperiodic graph , symmetry group , penrose tiling , plane (geometry) , translation (biology) , square tiling , point group , point (geometry) , glide plane , translational symmetry , frustration , combinatorics , quasicrystal , physics , condensed matter physics , biochemistry , chemistry , messenger rna , dislocation , gene , grid