7 citations · 7 across the 2 of their papers we have counts for
2 papers
math.CO2024★ 7 cited
Combined matrices of almost strictly sign regular matrices
Pedro Alonso, Juan Manuel Peña, María Luisa Serrano
The combined matrix is a very useful concept for many applications. Almost strictly sign regular (ASSR) matrices form an important structured class of matrices with two possible ze…
math.CO2024
Almost strictly sign regular rectangular matrices
P. Alonso, J. M. Peña, M. L. Serrano
Almost strictly sign regular matrices are sign regular matrices with a special zero pattern and whose nontrivial minors are nonzero. In this paper we provide several properties of…