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Questions of the kind "What's the name for a X that satisfies property Y?"
4
votes
Origin of the banana graph
I just had lunch with Oliver Schnetz and our conversation broached the topic whether any of us ever coined a name which stuck. He mentioned to be the first one to attach the word "banana" to the banan …
8
votes
Accepted
Clarification on the definition of a quotient singularity
The connection of toric varieties with quotient singularities is actually quite easy to describe. Let $\Delta\subseteq \mathbb R^n$ be a convex cone whose extremal rays are generated by $v_1,\ldots,v_ …
7
votes
Is there a name for this family of matrices?
I don't know a particular name for these matrices but they are special cases of matrices which have been considered in lattice theory.
More precisely, let $(L,\wedge)$ be a finite semilattice and $\ph …
36
votes
Why are they called Spherical Varieties?
Since I am being asked the same question repeatedly and since the given answers are not quite correct, I post another answer despite the thread being so old.
According to a talk by Domingo Luna aroun …