Preferred algebraic object?
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Replying to @Hermit_Thrush
Long exact sequences lead to homological algebra and before you know it you're doing spectral sequences. I say no, sir, that's not for me
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Replying to @St_Rev @Hermit_Thrush
With a SES you have your object, subobject, and quotient right there. One object in your hand, with a clean break drawn in it. It's pure. A LES is a moving assembly line, a cascade of mistakes begetting corrections begetting more mistakes forever. Awful.
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Replying to @St_Rev
don't bother trying to impress me... everyone's vote counts equally.
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Replying to @Hermit_Thrush
I am not writing for you, I am writing for posterity
11:02 PM - 11 Jan 2019
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.