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# Questions

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### For an l-adic sheaf (F_n), why is the complex F_n of finite Tor dimension?

may 29 11 at 7:21 Ariyan Javanpeykar 4,032528

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### Moving a canonical divisor on a normal surface away from the singular locus

jul 31 11 at 18:28 Francesco Polizzi 19k23455

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### Is every Weil divisor on an arithmetic surface Q-Cartier

nov 11 11 at 18:54 Will Sawin 18.6k12448

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### Family of Enriques surfaces and GRR, Part 2

mar 5 10 at 16:03 Steve Huntsman 8,13912256

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### Behaviour of euler characteristics in characteristic p for finite etale covers

oct 9 10 at 11:55 James Borger 5,91311644

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### Does there exist a non-trivial semi-stable curve of genus >1 with only 4 singular fibres

may 6 11 at 13:22 Angelo 19.5k34775

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470
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### On finite endomorphisms of $\mathbf{P}^r$

mar 24 10 at 15:09 Ariyan Javanpeykar 4,032528

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434
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### What is known about finite morphisms from X to the projective line

apr 12 10 at 9:18 Jinhyun Park 34729

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### Reference request: parametrizing covers of the projective line

sep 15 11 at 15:45 Jim Bryan 2,6591722

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