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Answer a question more than 60 days later with score of 5 or more. This badge can be awarded multiple times.

earned this badge 18 times.
Homological Algebra texts
Awarded Nov 23, 2023 at 16:26
Examples of conjectures that were widely believed to be true but later proved false
Awarded Apr 4, 2018 at 15:46
Which math paper maximizes the ratio (importance)/(length)?
Awarded Mar 24, 2018 at 19:26
Experimental mathematics leading to major advances
Awarded May 1, 2016 at 20:05
Nontrivial theorems with trivial proofs
Awarded Mar 10, 2016 at 6:31
Examples of theorems with proofs that have dramatically improved over time
Awarded Sep 11, 2015 at 21:42
Explanation for the Thom-Pontryagin construction (and its generalisations)
Awarded Aug 11, 2015 at 21:32
What are examples of good toy models in mathematics?
Awarded Jul 17, 2015 at 11:41
What are some examples of colorful language in serious mathematics papers?
Awarded Jun 10, 2015 at 6:22
Which math paper maximizes the ratio (importance)/(length)?
Awarded Sep 16, 2014 at 3:41
What can be said about a group from its presentation?
Awarded Jul 31, 2014 at 18:51
Not especially famous, long-open problems which anyone can understand
Awarded Oct 1, 2013 at 15:02
Most interesting mathematics mistake?
Awarded May 10, 2013 at 0:50
Describe a topic in one sentence.
Awarded Mar 20, 2013 at 11:05
What are some examples of narrowly missed discoveries in the history of mathematics?
Awarded May 21, 2011 at 20:20
Kirby calculus and local moves
Awarded Mar 10, 2011 at 22:35
What are some examples of colorful language in serious mathematics papers?
Awarded Jun 22, 2010 at 1:50
Proofs that require fundamentally new ways of thinking
Awarded Dec 30, 2009 at 6:50

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