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A comment on The Philosophy of Linear Algebra (2021). Parent comment

Re:The Philosophy of Linear Algebra (2021) by macrolocal on Sunday June 12, 2022 @01:49AM (#31711815)
The pure side also: spectral sequences, quiver representations, etc.
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Re:The Philosophy of Linear Algebra (2021) by WoahNoun on Sunday June 12, 2022 @02:35AM (#31712098)
Spectral sequences (and sheaves) were developed by Leray in the 1940's while he was a prisoner of war captured by the Nazi army. Not exactly new.
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Re:The Philosophy of Linear Algebra (2021) by macrolocal on Sunday June 12, 2022 @06:12PM (#31718765)
Yep, and they're still an active research topic, eg.

https://arxiv.org/abs/2107.02130

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