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Questions of the kind "What's the name for a X that satisfies property Y?"

55 votes
6 answers
13k views

What is the etymology of the term "perverse sheaf"?

Grothendieck famously objected to the term "perverse sheaf" in Récoltes et Semailles, writing "What an idea to give such a name to a mathematical thing! Or to any other thing or living being, except …
Daniel Litt's user avatar