Unbounded-root conjecture for degenerate Lamé operators

Let d(z)\mathfrak d(z) be a degenerate Lamé operator, meaning that its leading coefficient satisfies degQk<k+r\deg Q_k<k+r, and let N0N_0 be any positive integer. Unbounded-root conjecture. The union of all roots of the Van Vleck polynomials VV and Stieltjes polynomials SS, taken over all solutions with degSN0\deg S\geq N_0, is unbounded. Thus, this property is proposed as a key distinction between non-degenerate and degenerate Lamé operators. The supplied text gives no resolution and explicitly presents the claim as a conjecture motivated by earlier results.

Sources & referencesView supporting material

Primary source

Thomas Holst and Boris Shapiro, “On higher Heine-Stieltjes polynomials”, arXiv:0904.0218 (2009).

Additional references

2 papers in this index state this conjecture (2008–2009). The statement above is taken from the most recent of them; the others are arXiv:0812.4193.

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