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Results tagged with terminology
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user 6153
Questions of the kind "What's the name for a X that satisfies property Y?"
6
votes
The word "torsion" and its connection to geometry and homology
The terminology in topology seems to go back a long way: Über die Torsionszahlen von Produktmannigfaltigkeiten (Mathematische Annalen 1924) is the paper in which Künneth sets out to show how the torsion … So it is a fair bet the terminology goes back at least to Tietze. In terms of the question "algebra or topology first?" …
- 12.6k
6
votes
What is the etymology of the term "perverse sheaf"?
"Goresky and MacPherson relaxed the transversality condition
on the cycles by allowing them to deviate from dimensional transversality
to each stratum of codimension k, for each k > 2 (by
hypothesis t …
- 12.6k
28
votes
Accepted
Origin of terms "flag", "flag manifold", "flag variety"?
Armand Borel's Bourbaki Seminar 121 Groupes algébriques is from 1955, and uses "drapeau" (page 7). (It's online at archive.numdam.org.) This may not be the earliest occurrence, but there is a good rea …
- 12.6k