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Mathematics
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Matt's user avatar
Matt's user avatar
Matt
  • Member for 8 years, 11 months
  • Last seen this week
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37
Show that the three medians of a triangle are concurrent at a point
Nov 14, 2017
14
Is $33i$ a real and complex number?
Oct 9, 2017
14
Ext and Tor duality
Jun 3, 2020
12
Can the difference between consecutive even abundant numbers exceed 6?
Aug 26, 2018
8
What is "self-dual" about Gorenstein rings?
Jul 23, 2020
8
Is the cap product the same on cochain complexes with isomorphic cohomology rings?
Jul 2, 2020
8
$X$ is contractible if and only if there exists a deformation retract to a point
Sep 11, 2018
8
Why do all elements commute in centre of an arbitrary finite group?
Sep 21, 2018
7
A problem in Wedge product of topological spaces
Jun 21, 2019
7
Best way to fill a $8\times 8$ board
Dec 22, 2017
Top network posts
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70
How to politely deflect questions about awkward scars?
52
Do pear-shaped nuclei really have anything to do with time travel?
15
Historically, which came first: the Lie algebras or their classification?
14
Computations using "Stover's spectral sequence"
14
Is it reasonable to report another student for cheating when it has no impact on me?