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math.CO2021★ 4 cited
Symmetrically colored Gaussian graphical models with toric vanishing ideal
Jane Ivy Coons, Aida Maraj, Pratik Misra +1
A colored Gaussian graphical model is a linear concentration model in which equalities among the concentrations are specified by a coloring of an underlying graph. The model is cal…
math.CO2021★ 4 cited
Families of polytopes with rational linear precision in higher dimensions
Isobel Davies, Eliana Duarte, Irem Portakal +1
In this article we introduce a new family of lattice polytopes with rational linear precision. For this purpose, we define a new class of discrete statistical models that we call m…