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Mathematics
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user7530
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189
Construct a function which is continuous in $[1,5]$ but not differentiable at $2, 3, 4$
Oct 20, 2011
156
Elementary proof that $\mathbb{R}^n$ is not homeomorphic to $\mathbb{R}^m$
Mar 3, 2011
141
What is the maximum volume that can be contained by a sheet of paper?
Jul 18, 2018
134
Modular exponentiation by hand ($a^b\bmod c$)
Nov 11, 2011
107
Where is the flaw in this "proof" of the Collatz Conjecture?
Oct 31, 2017
60
Is the sum of positive definite matrices still positive definite?
Oct 29, 2013
56
Intuition behind Matrix Multiplication
Apr 8, 2011
38
Is Calculus necessary for computer science student?
Aug 10, 2019
38
How to properly read the … operator in this context?
Jul 21, 2018
37
Why is it not possible to generate an explicit formula for Newton's method?
Jan 6, 2017
Top Meta posts
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Proposal for promoting more interesting, deeper questions
47
Please get rid of "vote locking"
39
Courtesy/Etiquette: Writing an Almost-Identical Answer just After the Previous.
39
How has MSE changed in your time here?
32
Examples of poor review audits
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221
PhD Student : Publish Paper with Wife?
98
Should I simply ignore it if authors assume that I'm male in their response to my review of their article?
59
Reviewer wants me to do massive amount of work, the result would be a different article. Should I tell that to the editor?
52
Should your PhD students call you by your first name?
48
Professors/Teachers only replying to part of my email