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The Amplitwist
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13
Computer algebra errors
Jun 13, 2023
11
Computer algebra errors
Jun 14, 2023
11
$q$-binomials in terms of ordinary binomials
May 28, 2025
10
How hard is it to compute the Davenport constant?
Jun 2, 2022
9
Is there a bipartite graph with $\sqrt{2}$ as an eigenvalue with high multiplicity, specifically more than in the Heawood graph?
Oct 17, 2023
6
If a graph embedded on a surface is divided by a curve into a right and left that do not intersect can it be embedded on a surface of smaller genus?
Nov 19, 2023
6
Improving readability of proofs
Aug 10, 2025
5
Computer algebra errors
Aug 29, 2025
4
Where can I find journal contents of Ars Combinatoria
Apr 2, 2025
4
Is there a bipartite graph with $\sqrt{2}$ as an eigenvalue with high multiplicity, specifically more than in the Heawood graph?
Jul 20, 2025

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goo.gl is closing down
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The citation helper picks up a backlink to an MO answer when a DOI link is unavailable
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Edit history lost on migration
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Why does a table work on preview but not on post?
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Can I see which comments I flagged?