MathOverflow will be down for maintenance for approximately 3 hours, starting Monday evening (06/24/2013) at approximately 9:00 PM Eastern time (UTC-4).

Ying Zhang

663
Reputation
445 views
Is this your account?

Registered User 

Name Ying Zhang
Member for 3 years
Seen 6 hours ago
Website
Location Philadelphia, PA
Age
Apr
14
awarded  Popular Question
Apr
2
asked The etale cohomology``ring" structure of torsion sheaves on varieties