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ÔØÖºÅÓÙÐÖÓÖÑ<strong>×</strong> nÓÖ<strong>×</strong>ÓÑ<br />

ÓÒØÓÒÓÖØÛÓÐÑÒØ<strong>×</strong>ÓMØÓÓÖÖ<strong>×</strong>ÔÓÒØÓØ<strong>×</strong>ÑÐØØÒLØÙÖÒ<strong>×</strong>ÓÙØØØØÝ<br />

2}ÓMÓÖÖ<strong>×</strong>ÔÓÒØÓØ<strong>×</strong>ÑÐØØÒLÌÒ<strong>×</strong><strong>×</strong>ÖÝÒ<strong>×</strong>ÙÒØ<br />

)¸ÛÛÓÙÐÐØÓ<strong>×</strong>ÛÒÓØÛÓ<strong>×</strong>ÙÔÖ<strong>×</strong> ÓØÒÝÒØÝÒØÔÓÒØ<strong>×</strong>z Z)ºÌÙ<strong>×</strong>¸Û<strong>×</strong>ØØÛÒÒØÝØ<strong>×</strong>ØLÓÐØØ<strong>×</strong><br />

1 , z 2 ∈ C<strong>×</strong>ÙØØz 1 − z 2 = ω 1 m + ω 2<br />

ÆÓÛ¸ÚÒM¸Ø<strong>×</strong>ØÓÐÐÔÖ<strong>×</strong>(ω 1 , ω 2<br />

{ω 1 , ω 2 }Ò{ω<br />

)ÓM´Ö<strong>×</strong>ÔØÚÐÝLµ<strong>×</strong>ÓÐÐÓÛ<strong>×</strong><br />

1, ω ∗ÓÒÒÝ<br />

′<br />

<strong>×</strong>ÓÙÐÓÒÖÙÒØÑÓÐÙÐÓSL(2,<br />

´º¿½µ<br />

ÓCÛØØÕÙÓØÒØÓMÝØØÓÒÓSL(2, Ð<strong>×</strong>Ó¸<strong>×</strong>ÒØ<strong>×</strong>ÓÒÐÝØÖØÓØØØÖÑÒ<strong>×</strong>ØÐØظÛÒØÝC ÐÑÒØ(ω 1 , ω<br />

ÓΓ(1)ÓÒHºÏÑØ<strong>×</strong>ÔÖÐÓÛ¸ÛÖÛÜÔÐÒÛØÛ<strong>×</strong>ÒØ<br />

2<br />

(ω 1 , ω 2 ) ↦→ (λω 1 , λω 2<br />

Z)ÓÒMÒØÓØØ<br />

), (Ö<strong>×</strong>ÔºL λL), λ ∈ C ∗ ,<br />

ÛØÓÙØÒÒØÖØÓºÌÙ<strong>×</strong>¸ÛÒÒØÝØÕÙÓØÒØM/C<br />

ÓΓ(1)\HÛØÐØØÓCÙÔØÓÓÑÓØØÝ´ÐØÓÒµº ÒÒÒÓÙØØÒØØÓÒÓÐØØÓCÛØØÕÙÓØÒØH/Γ(1)ºÌÑÔ<br />

∗ÛØHÝ(ω 1 , ω 2 ) ↦→<br />

z = ω 1 /ω 2¸ÒØÙ<strong>×</strong>¸Ø<strong>×</strong>ÒØØÓÒØÖÒ<strong>×</strong>ÓÖÑ<strong>×</strong>ØØÓÒÓSL(2,<br />

Z¸Û<strong>×</strong>ÝØØÓÑÔÐÜÚÐÙÙÒØÓÒ¸F¸ÓÒL<strong>×</strong>ÓÛØk<br />

∗ÓÒØÓΓ(1)\HºÌÙ<strong>×</strong>¸ÛÒÒØÝÒÐÑÒØ<br />

(ω 1 , ω 2 ) ↦→ ω 1 /ω 2Ú<strong>×</strong>ØÓÒÓL/C<br />

´º¿¾µ ÓÖk∈<br />

)ºÌÒØÓÚÓÖÑÙÐ<strong>×</strong>Ù<strong>×</strong>Ø<br />

)ØÚÐÙÓFÓÒØÐØØ<br />

F(λL) = λ −k F(L)<br />

ÓÖÐÐÐØØ<strong>×</strong>L∈LÒÐÐλ ∈ C ∗ºÄØÙ<strong>×</strong>ÒÓØÝF(ω , ω 2<br />

´º¿¿µ<br />

L(ω<br />

ÌÙ<strong>×</strong>¸ÛÒÐÛÝ<strong>×</strong>ÒÙÒØÓÒ¸f¸ÓÒH<strong>×</strong>ÙØØ<br />

1 , ω 2<br />

ÏÒÓØÒØÓÚÓÖÑÙÐØØØÔÖÓÙØω<br />

Z)ØÓÒÓÒM¸Û<strong>×</strong>ØØf<strong>×</strong>Ø<strong>×</strong><strong>×</strong>Ø<br />

2 −k F(ω 1 , ω 2<br />

´º¿µ<br />

)ÔÒ<strong>×</strong>ÓÒÐÝÓÒz 2 f(ω 1/ω 2 )<br />

Ð<strong>×</strong>Ó¸<strong>×</strong>ÒF(ω 1 , ω 2 )<strong>×</strong>ÒÚÖÒØÙÒÖÒSL(2, ½¾<br />

m, n ∈ Zº<br />

′<br />

↦→<br />

1<br />

F(λω 1 , λω 2 ) = λ −k F(ω 1 , ω 2 ) .<br />

F(ω 1 , ω 2 ) = ω −k<br />

2º = ω 1 /ω

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