Potential eventual positivity of sign patterns with the underlying broom graph
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DOI: 10.1016/j.ajmsc.2016.11.002
Abstract: Abstract A sign pattern is a matrix whose entries belong to the set { + , − , 0 } . An n -by- n sign pattern A is said to allow an eventually positive… read more here.
Keywords: sign patterns; sign pattern; sign; potentially eventually ... See more keywords
Eventual Positivity of a Class of Double Star-like Sign Patterns
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DOI: 10.3390/sym14030512
Abstract: Identifying and classifying the potentially eventually positive sign patterns and the potentially eventually exponentially positive sign patterns of orders greater than 3 have been raised as two open problems since 2010. In this article, we… read more here.
Keywords: star like; sign patterns; sign; like sign ... See more keywords
Asymptotics and sign patterns of Hecke polynomial coefficients
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DOI: 10.4153/s0008439525000190
Abstract: Abstract We determine the asymptotic behavior of the coefficients of Hecke polynomials. In particular, this allows us to determine signs of these coefficients when the level or the weight is sufficiently large. In all but… read more here.
Keywords: sign patterns; hecke polynomial; asymptotics sign; polynomial coefficients ... See more keywords