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Mathematics
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coudy
  • Member for 4 years, 11 months
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16
Did Paul Halmos state “The heart of mathematics consists of concrete examples and concrete problems"?
Mar 17, 2023
answer
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?
Mar 19, 2023
answer
13
Is there a non trivial smooth function that has uncountably many roots?
Mar 17, 2023
question
11
Irreducibility of $x^8+6x^4+1$
Aug 29
answer
7
Reduce precision of fraction
Feb 22, 2022
answer
7
I'm struggling to understand the absolute value
Feb 20, 2022
answer
7
Is it always possible to construct a distribution with full support?
Mar 11, 2023
answer
6
Why do the holomorphic functions form a sheaf. Different functions on disjoint open sets can't be glued.
Mar 9, 2023
answer
6
Atransitive relations?
Mar 11, 2023
answer
5
Can the function $\max(x,y,z)$ be expressed in terms of absolute values (not nested)?
Mar 1, 2023
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167
Do you know important theorems that remain unknown?
109
What is the oldest open problem in mathematics?
90
Injectivity implies surjectivity
71
Demystifying complex numbers
62
Endless controversy about the correctness of significant papers