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Mathematics
Michał Miśkiewicz's user avatar
Michał Miśkiewicz's user avatar
Michał Miśkiewicz's user avatar
Michał Miśkiewicz
  • Member for 8 years, 1 month
  • Last seen this week
  • Warsaw
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PhD student at University of Warsaw

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Top posts
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12
Prove that $n \ln(n) - n \le \ln(n!)$ without Stirling
Mar 7, 2018
10
Can a non-zero smooth $f: [a,b] \rightarrow \mathbb{R}_{\geq 0}$ have infinitely many zeroes?
Nov 12, 2021
9
Understanding the proof to Egorov's Theorem
Nov 10, 2017
9
Geometric implication of the Sobolev embedding
Jul 7, 2021
8
When viewing Sobolev spaces as completions, how does the notion of weak derivative arise?
Dec 18, 2016
8
How Hahn-Banach theorem implies that the dual space is non-trivial?
Apr 11, 2017
7
Let $f:[0,\alpha]\to \mathbb{R}$ solution of a Cauchy problem , prove $\alpha <3.$
Apr 21, 2017
6
Injectivity radius and complete manifold
Apr 26, 2021
6
Global approximation by functions smooth up to the boundary
Apr 27, 2021
6
A problem on Minima. Proving sphere has minimum surface area for a given volume
Apr 6, 2017
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21
Why do we still teach the determinant formula for cross product? And is it as bad as I think it is?
9
Composite functions
6
Undergraduate-level abstract algebra books or courses that don't start with groups or rings
6
What is a good way to explain the Lebesgue integral to non-math majors?
5
Proofs with Independent Parts