Fewnomial Systems with Many Roots, and an Adelic Tau ConjectureReport as inadecuate



 Fewnomial Systems with Many Roots, and an Adelic Tau Conjecture


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Consider a system F of n polynomials in n variables, with a total of n+k distinct exponent vectors, over any local field L. We discuss conjecturally tight bounds on the maximal number of non-degenerate roots F can have over L, with all coordinates having fixed phase, as a function of n, k, and L only. In particular, we give new explicit systems with number of roots approaching the best known upper bounds. We also briefly review the background behind such bounds, and their application, including connections to computational number theory and variants of the Shub-Smale tau-Conjecture and the P vs. NP Problem. One of our key tools is the construction of combinatorially constrained tropical varieties with maximally many intersections.



Author: Kaitlyn Phillipson; J. Maurice Rojas

Source: https://archive.org/







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