161 citations · 1k across the 69 of their papers we have counts for
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math.ST2015
Total positivity in Markov structures
Shaun Fallat, Steffen Lauritzen, Kayvan Sadeghi +3
We discuss properties of distributions that are multivariate totally positive of order two (MTP2) related to conditional independence. In particular, we show that any independence…
math.CO2015
Extremal Positive Semidefinite Matrices for Graphs without Minors
Liam Solus, Caroline Uhler, Ruriko Yoshida
For a graph with vertices the closed convex cone consists of all real positive semidefinite matrices with zeros in the off-diagonal…