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coudy
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View all questions and answers
164
Do you know important theorems that remain unknown?
Mar 29, 2018
108
What is the oldest open problem in mathematics?
Jun 4, 2010
90
Injectivity implies surjectivity
Jul 4, 2017
71
Demystifying complex numbers
Jul 1, 2010
62
Endless controversy about the correctness of significant papers
Oct 5, 2017
44
Why are there so many fractional derivatives?
Nov 4, 2017
38
A book about mathematical drawing on the blackboard
Feb 11, 2023
37
Do empirical studies have a place in contemporary mathematics research?
Feb 25, 2023
34
Which math paper maximizes the ratio (importance)/(length)?
May 21, 2010
33
Did Gaston Julia ever get to see a computer-generated image of his eponymous set?
Aug 3, 2016
Top Meta posts
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Companies accounts allowed?
13
Best way to correct "Cauchy-Schwarz" misspellings
9
Any other site besides mathoverflow and mathematics stackexchange?
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News of potential interest to the MO community
9
Why all the negativity?
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16
Did Paul Halmos state “The heart of mathematics consists of concrete examples and concrete problems"?
14
What are examples of Halmos's claim that a single small concrete special case can capture every instance of a concept of great generality?
13
Is there a non trivial smooth function that has uncountably many roots?
8
Reduce precision of fraction
7
I'm struggling to understand the absolute value