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Results tagged with motivation
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user 126667
10
votes
Accepted
Are rings really more fundamental objects than semi-rings?
Of course the real question is whether abelian groups are really more fundamental objects than commutative monoids. In a sense, the answer is obviously no: the definition of commutative monoid is sim …
CommunityBot
- 1
24
votes
Why are spectral sequences so ubiquitous?
Let me first try to answer a simpler question:
Why are long exact sequences so ubiquitous?
Almost anything that is written as a capital letter, followed by a subscript i or superscript -i, i an …
- 25.2k