Timeline for estimate for a sum of products of Weil's sum
Current License: CC BY-SA 3.0
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| Jun 10, 2017 at 20:26 | comment | added | Will Sawin | In this case, the relevant monodromy group might not be so easy to compute. I don't think Katz said much on this kind of sheaves. His student Ondrej Such did in his thesis, but I didn't find in it a clean statement of the kind you need for Goursat-Kolchin-Ribet. semanticscholar.org/paper/… | |
| Jun 10, 2017 at 19:58 | comment | added | Tony B | Thank you for the reference. I notice that Corollary 3.3 in that paper answers my question when $K$ is a Kloosterman sum. I'm not quite sure if the paper also considers the Weil's sum case. | |
| Jun 10, 2017 at 19:33 | history | answered | Denis Chaperon de Lauzières | CC BY-SA 3.0 |