The characteristic-p absolute-value conjecture for reciprocal zeroes

Let L(x,y)=i(1βi(y)/x)L(x,y)=\prod_i(1-\beta_i^{(y)}/x), where the nonzero βi(y)\beta_i^{(y)} are the zeroes of L(x,y)L(x,y), and let λi(y):=1/βi(y)\lambda_i^{(y)}:=1/\beta_i^{(y)} be the reciprocal zeroes. The characteristic-pp absolute-value conjecture. There exists a positive real number b=b(y)b=b(y) such that, if δb\delta\geq b, then there is at most one reciprocal zero of L(x,y)L(x,y), counted without multiplicities, having absolute value δ\delta. The same assertion is intended for all interpolations of L(s)L(s) at all places of k\mathbf k.

This refines the separable-extension formulation by imposing a direct condition on the zeroes. It is stated as an open characteristic-pp analogue of the classical simplicity and Riemann-hypothesis phenomena.

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Primary source

David Goss, “A Riemann Hypothesis for characteristic p L-functions”, arXiv:math/9907019 (1999).

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