单词 | modular group |
释义 | > as lemmasmodular group modular group n. Mathematics the group of linear transformations z → az + b/ cz + d, where ad − bc = 1 (cf. modulus n. 2d(c), Möbius transformation n. at Möbius n. 2). ΚΠ 1898 Science 16 Sept. 362/2 The subgroups of the generalized modular group. 1990 Glasgow Math. Jrnl. 32 317 Let Γ denote the modular group, consisting of the Möbius transformations z → az + b/ cz + d..ad − bc = 1. < as lemmas |
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