[Turkmath:6274] FGC-HRI-IPM number theory seminars[Soumya Sankar][Nov 22][5pm]

[Özlem Ejder]

Merhaba,

Bu haftaki FGC-HRI-IPM sayi teorisi konusmalarinin konusmacisi Utrecht
Universitesi'nden Soumya Sankar.
Konusmanin detaylarini asagida bulabilirsiniz.

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*Date and time: *Wednesday, November 8,

*Title: *Counting Points on stacks and elliptic curves with a rational n
isogeny.
*Abstract: *
The classical problem of counting elliptic curves with a rational N-isogeny
can be phrased in terms of counting rational points on certain moduli
stacks of elliptic curves. Counting points on stacks, while posing various
challenges, has also opened up several new avenues of exploration in the
last few years. In this talk, I will give an introduction to modular curves
from the stacky perspective, discuss some notions of height on them, and
use some of these notions to answer the counting question mentioned above.
Time permitting, I will talk about this in the context of the stacky
version of the Batyrev-Manin conjecture. The talk assumes no prior
knowledge of stacks and is based on joint work with Brandon Boggess.
*Zoom link:* https://kocun.zoom.us/j/99715471656
*Meeting ID: *997 1547 1656
*passcode:* 848084

*ICS-File: *https://researchseminars.org/seminar/FGC-IPM/ics

We hope to see you all,
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