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Questions
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Does there exist a finite-index subgroup of SL2Z with all cusps irregular?

nov 25 11 at 2:47 Richard Kent 8,525●2●29●58

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Identifying finite-index subgroups of SL2Z from generators

nov 29 11 at 11:04 Mark Sapir 27.7k●2●57●118

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Torsion points of CM elliptic curves

dec 7 11 at 8:39 Dror Speiser 3,932●1●7●34

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434
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When do the Galois reps of modular forms have open image?

may 10 10 at 10:51 TG 725●3●11

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Existence of multi-variable p-adic L-functions

mar 9 10 at 12:20 David Loeffler 8,623●15●40

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Do Tamagawa numbers of Galois representations stabilise in the cyclotomic tower?

may 19 11 at 20:50 David Loeffler 8,623●15●40

 
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457
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Can an etale (phi, Gamma) module be an extension of non-etale ones?

oct 24 10 at 11:29 David Loeffler 8,623●15●40

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Is the $\ell$-adic cohomology of a non-proper variety unramified at good primes?

jun 18 at 22:31 David Helm 418●2●4

 
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Does the Manin-Drinfeld theorem hold over number fields?

mar 14 at 12:37 Yuri Zarhin 2,214●4●11

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142
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Twists of CM modular forms

apr 8 at 12:44 David Loeffler 8,623●15●40

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