brauer groups
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Author(s):  
Cristiana Bertolin ◽  
Federica Galluzzi
Keyword(s):  

2021 ◽  
Vol 17 (2) ◽  
pp. 649-669
Author(s):  
Andrew Kresch ◽  
Yuri Tschinkel

2021 ◽  
Vol 9 ◽  
Author(s):  
Andrea Di Lorenzo ◽  
Roberto Pirisi

Abstract Using the theory of cohomological invariants for algebraic stacks, we compute the Brauer group of the moduli stack of hyperelliptic curves ${\mathcal {H}}_g$ over any field of characteristic $0$ . In positive characteristic, we compute the part of the Brauer group whose order is prime to the characteristic of the base field.


2021 ◽  
Vol 143 (5) ◽  
pp. 1601-1631
Author(s):  
Asher Auel ◽  
Alessandro Bigazzi ◽  
Christian Böhning ◽  
Hans-Christian Graf von Bothmer

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