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# Questions

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142
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### Can one determine the local structure of a moduli space of bundles just by knowing the Ext-groups?

mar 4 at 22:37 Jim Bryan 2,6591722

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375
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### How to find the action of an automorphism on the 27 lines on a cubic surface?

sep 13 at 21:32 Jérémy Blanc 1,5981413

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60
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### Properties of special Cayley-Bacharach bundles on a K3-surface

may 30 at 16:56 TonyS 1,31538

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0
106
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### Linear system corresponding to rational curves on a K3 surface

apr 30 12 at 17:56 TonyS 1,31538

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161
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### How does torsion behave under the direct image functor?

mar 20 12 at 22:24 Sándor Kovács 23.8k25373

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293
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### Direct image sheaf and tensor product (is the projection formula an isomorphism?)

feb 22 12 at 7:58 a-fortiori 2,786511

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215
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### Do cohomologically trivial line bundles affect morphisms?

feb 6 12 at 19:48 TonyS 1,31538

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258
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### Are morphisms of finite length modules determined by the behaviour of the simple modules?

jan 12 12 at 0:40 Alex Dugas 763

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410
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### When does the forgetful functor S-Mod -> R-Mod induce injective maps on Ext-groups?

nov 22 11 at 22:55 Mariano Suárez-Alvarez 30.6k869155

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399
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### Generalized Beilinson spectral sequences

oct 4 11 at 15:05 TonyS 1,31538