NTS Fall 2013/Abstracts: Difference between revisions

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| bgcolor="#F0A0A0" align="center" style="font-size:125%" | '''Guillermo Mantilla-Soler''' (EPFL)
| bgcolor="#F0A0A0" align="center" style="font-size:125%" | '''Guillermo Mantilla-Soler''' (EPFL)
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| bgcolor="#BCD2EE"  align="center" | Title: tba
| bgcolor="#BCD2EE"  align="center" | Title: The spinor genus of the integral trace and local arithmetic equivalence
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Abstract: tba
Abstract: In this talk I'll explain my recent results on the spinor genus of the integral trace form of a number field. I'll show how from them one can decide in terms of finitely many ramification invariants, and under some restrictions, whether or not a pair of number fields have isometric integral trace forms. Inspired by the work of R. Perlis on number fields with the same zeta function I'll define the notion of local arithmetic equivalence, and I'll show that under certain hypothesis this equivalence determines the local root numbers of the number field, and the isometry class of integral trace form.
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Revision as of 19:16, 24 August 2013

September 5

Guillermo Mantilla-Soler (EPFL)
Title: The spinor genus of the integral trace and local arithmetic equivalence

Abstract: In this talk I'll explain my recent results on the spinor genus of the integral trace form of a number field. I'll show how from them one can decide in terms of finitely many ramification invariants, and under some restrictions, whether or not a pair of number fields have isometric integral trace forms. Inspired by the work of R. Perlis on number fields with the same zeta function I'll define the notion of local arithmetic equivalence, and I'll show that under certain hypothesis this equivalence determines the local root numbers of the number field, and the isometry class of integral trace form.


September 12

Simon Marshall (Northwestern)
Title: Endoscopy and cohomology growth on U(3)

Abstract: I will use the endoscopic classification of automorphic forms on U(3) to determine the asymptotic cohomology growth of families of complex-hyperbolic 2-manifolds.


September 19

who? (where?)
Title: tba

Abstract: tba


September 26

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October 3

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October 10

Bogdan Petrenko (Eastern Illinois University)
Title: tba

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October 17

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October 24

Paul Garrett (Minnesota)
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October 31

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November 7

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November 14

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November 21

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December 5

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December 12

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Organizer contact information

Robert Harron

Sean Rostami


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