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DTSTART:19700329T010000
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CATEGORIES:Junior Geometry Seminar
SUMMARY:Elliptic surfaces and Brauer-Manin obstructions - 
 Harvey Yau\, University of Cambridge
DTSTART;TZID=Europe/London:20240503T160000
DTEND;TZID=Europe/London:20240503T170000
UID:TALK213361AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/213361
DESCRIPTION:Elliptic surfaces are a wide and varied class of s
 urfaces\, with many tools and theorems from the th
 eory of elliptic curves that can be used to study 
 them. In this talk I will introduce some of the ma
 in theory and ideas about elliptic surfaces\, and 
 show how they can be applied\, together with some 
 Galois cohomology\, to obtain elements of the Brau
 er group\, which can then be used to give examples
  of Brauer-Manin obstruction\, a method to show th
 e nonexistence of rational points.
LOCATION:MR13
CONTACT:Alexis Marchand
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