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Jeff Strom's user avatar
Jeff Strom's user avatar
Jeff Strom
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119
Nontrivial theorems with trivial proofs
Jun 20, 2010
102
Why do we teach calculus students the derivative as a limit?
Sep 27, 2010
70
Can a subset of the plane have nontrivial $H_2$ or $\pi_2$?
Dec 9, 2014
64
Can a mathematical definition be wrong?
Aug 6, 2010
41
What are some noteworthy "mic-drop" moments in math?
Mar 11, 2019
40
In a topological space if there exists a loop that cannot be contracted to a point does there exist a simple loop that cannot be contracted also?
Aug 9, 2019
38
Finite complexes whose homotopy groups are not "finitely generated"
May 29, 2014
33
Is every real n-manifold isomorphic to a quotient of $\mathbb{R}^n$?
Nov 13, 2010
32
Suspension of a topological space
Jun 3, 2021
31
Main statement as theorem or corollary
Jan 15, 2018