5 citations · 5 across the 1 of their papers we have counts for
2 papers
math.CO2024
Sign pattern matrices associated with cycle graphs that require algebraic positivity
Sunil Das
A real matrix is said to be positive if its every entry is positive, and a real square matrix A is algebraically positive if there exists a real polynomial f such that f(A) is a po…
math.CO2021★ 5 cited
Sign patterns that allow algebraic positivity
Sunil Das
A real square matrix is algebraically positive if there exists a real polynomial such that is a positive matrix. In this paper, we give a sufficient condition for a sign…