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