2 papers
math.ST2017
The Multiple Roots Phenomenon in Maximum Likelihood Estimation for Factor Analysis
Elizabeth Gross, Sonja Petrović, Donald Richards +1
Multiple root estimation problems in statistical inference arise in many contexts in the literature. In the context of maximum likelihood estimation, the existence of multiple root…
cs.DM2015
Hydras: Directed Hypergraphs and Horn Formulas
Robert H. Sloan, Despina Stasi, Gyorgy Turan
We introduce a new graph parameter, the hydra number, arising from the minimization problem for Horn formulas in propositional logic. The hydra number of a graph is the m…