2 papers
math.CO2018
The Manickam-Miklós-Singhi Parameter of Graphs and Degree Sequences
Zoltán Király, Neeraja Kulkarni, Ian McMeeking +1
Let be a simple graph. Consider all weightings of the vertices of with real numbers whose total sum is nonnegative. How many edges of have endpoints with a nonnegative…
math.CO2017
Factorizations of -Nonnegative Matrices
Sunita Chepuri, Neeraja Kulkarni, Joe Suk +1
A matrix is -nonnegative if all its minors of size or less are nonnegative. We give a parametrized set of generators and relations for the semigroup of -nonnegative $n\ti…