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This tag is used if a reference is needed in a paper or textbook on a specific result.

19 votes
1 answer
1k views

Where to find some subset of Khovanskii's 15 proofs of the BKK theorem?

(I asked this question on MSE, but someone suggested it would be better asked here.) I'm a fan of the Bernstein-Khovanskii-Kushnirenko theorem (that the number of solutions in $(\mathbb{C}^*)^n$ to a …
Will Dana's user avatar
  • 453
4 votes
0 answers
64 views

Stability of infinite root systems with a long path in their Coxeter diagrams

Given a Cartan matrix associated to a Coxeter diagram, I can modify it by replacing one of the edges in the diagram with a long chain of vertices connected by simply laced edges; for example, this is …
Will Dana's user avatar
  • 453
2 votes
0 answers
115 views

Sources for describing the characteristic polynomial of a nonintegral hyperplane arrangement...

I have a family of hyperplane arrangements, and I'd like to describe their characteristic polynomials. When the hyperplanes are defined over the integers, the easiest way for me to do this is to use t …
Will Dana's user avatar
  • 453