Static approximate Gauss–Lucas conjecture for rational functions
Static approximate Gauss–Lucas conjecture for rational functions
Let be bounded and convex, and let be given. There is some constant such that if , then satisfies . Static approximate Gauss–Lucas conjecture. A sufficiently large ratio of zeros in to zeros and poles outside should guarantee the rational approximate Gauss–Lucas property for , with the threshold depending only on and . This is proposed as a static principle underlying Totik's asymptotic approximate Gauss–Lucas theorem; its resolution is not given here.
Sources & referencesView supporting material
Primary source
Trevor Richards, “On approximate Gauss-Lucas theorems”, arXiv:1706.05410 (2017).
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