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来自维基百科,自由的百科全书
在幾何學中,二階超無限邊形鑲嵌又稱為二階偽多邊形鑲嵌(英語:order-2 pseudogonal tiling)是一種雙曲鑲嵌,由二個超無限邊形組成,可以視為二階無限邊形鑲嵌在羅氏幾何中的一個類比。其具有偽多邊形群(pseudogonal group)的對稱性,其考克斯特群為[iπ/λ,2][1],在施萊夫利符號會用{∞, 2}表示,但有時會被記為{iπ/λ,2}以區別二階無限邊形鑲嵌。
對稱群:[iπ/λ,2], (*∞22) | [iπ/λ,2]+, (∞22) | |||||||||
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{iπ/λ,2} | t{iπ/λ,2} | r{iπ/λ,2} | 2t{iπ/λ,2}=t{2,iπ/λ} | 2r{iπ/λ,2}={2,iπ/λ} | rr{iπ/λ,2} | tr{iπ/λ,2} | sr{iπ/λ,2} | |||
半正對偶 | ||||||||||
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V∞2 | V2.∞.∞ | V2.∞.2.∞ | V4.4.∞ | V2∞ | V2.4.∞.4 | V4.4.∞ | V3.3.2.3.∞ |
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