УК гд а Уж × в
УК гд а Уж × в
УК гд а Уж × в
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Z)ÑØÖ<strong>×</strong> ´º½µ<br />
º¿º¾<br />
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ÌÏÝÐÑÖ<strong>×</strong><br />
.<br />
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4<strong>×</strong>Ò℄ºÛÐдµÓ<br />
=<br />
ÃÅÄ<strong>×</strong>ÙÔÖÐÖ<strong>×</strong>ºÌ<strong>×</strong>Û<strong>×</strong>ÜØÒØÓØN =<br />
( b, d ZºÌÒÓÖÑÓØÖÓÓØ<strong>×</strong>½℄ ´º½µ<br />
a c<br />
,<br />
½¾<br />
ÛØac ∈ NZÒad, bc, bd ∈<br />
( ) ( ) ( )<br />
−1 0 1 0 1 2<br />
w δ1 = , w δ2 = , w δ3 =<br />
2 1 0 −1 0 −1<br />
( ) (<br />
( b, d) ↔ a b 2bd<br />
↔ α =<br />
a c<br />
c d ad + bc<br />
−2det(α) = 2(ad − bc) 2 = 2 .<br />
)<br />
ad + bc<br />
2ac<br />
1, 2, 3
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