We prove, for graphical models for nearest neighbour interactions, a conjecture stated by Letac and Massam in 2007. Our result is important in the analysis of Wishart distributions on cones related to graphical models and in its statistical applications.
|Number of pages||6|
|Journal||Proceedings of the Japan Academy Series A: Mathematical Sciences|
|Publication status||Published - Mar 1 2017|
All Science Journal Classification (ASJC) codes