单词 | frieze group |
释义 | frieze group ![]() An example of a frieze pattern The frieze group of the pattern in the figure is generated by x, a translation two tiles to the right, and y, a half-turn, and is isomorphic to and its subgroup of translations is ⟨x⟩. It can be shown that, up to isomorphism, there are seven frieze groups. Compare crystallographic groups. |
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