Enlightened
First to answer and accepted with score of 10 or more. This badge can be awarded multiple times.
earned this badge 3 times.
Awarded Jul 17, 2019 at 14:00
Derived categories of (coherent) sheaves of modules: exceptional images, gluing, and proper descent?
Awarded Sep 7, 2017 at 4:14
Awarded Feb 23, 2015 at 20:22