NTS ABSTRACT: Difference between revisions
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| bgcolor="#F0A0A0" align="center" style="font-size:125%" | '''Arul Shankar''' | | bgcolor="#F0A0A0" align="center" style="font-size:125%" | '''Arul Shankar''' | ||
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| bgcolor="#BCD2EE" align="center" | | | bgcolor="#BCD2EE" align="center" | Bounds on the 2-torsion in the class groups of number fields | ||
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Revision as of 22:04, 18 January 2017
Return to NTS Spring 2017
Jan 19
| Bianca Viray |
| On the dependence of the Brauer-Manin obstruction on the degree of a variety |
| Let X be a smooth projective variety of degree d over a number field k. In 1970 Manin observed that elements of the Brauer group of X can obstruct the existence of a k-point, even when X is everywhere locally soluble. In joint work with Brendan Creutz, we prove that if X is geometrically abelian, Kummer, or bielliptic then this Brauer-Manin obstruction to the existence of a k-point can be detected from only the d-primary torsion Brauer classes. |
Jan 26
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Feb 2
| Arul Shankar |
| Bounds on the 2-torsion in the class groups of number fields |
Feb 9
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Feb 16
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Feb 23
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Mar 16
Mar 30
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Apr 6
| Celine Maistret |
Apr 13
Apr 20
| Yueke Hu |
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Apr 27
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May 4
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