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# Questions

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### The etale cohomologyring" structure of torsion sheaves on varieties

apr 2 at 20:52 Ying Zhang 66338

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### Looking for reference on Serre’s talk “linear rep and number of points mod p”

jun 17 at 15:29 Chandan Singh Dalawat 11.5k13973

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### Lemmas on etale cohomology with compact support from the book ‘Arithmetic Duality Theorems’

may 24 at 21:05 SGP 2,614414

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### Collection of sub line bundles of a vector bundle

oct 18 11 at 15:05 Ying Zhang 66338

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### Toric automorphism of P1 times P1 blown up at four pts

sep 16 11 at 1:52 Allen Knutson 12.4k12364

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### Deforming ample line bundles vs cohomology group

sep 9 11 at 5:50 ulrich 6,75011323

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### Is the tensor product of regular rings still regular

may 23 11 at 14:38 Tom Goodwillie 26.7k258110

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### Some trivial questions on Tate’s conjectures

apr 29 11 at 4:16 Ying Zhang 66338

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### Immerse an affine schemes into $A^n_S$

feb 15 11 at 11:40 Qing Liu 8,5851726

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