2 papers
math.DG2026
Invariant statistical connections on the multivariate centered Gaussian model and their moduli spaces
Hideyuki Ishi, Hikozo Kobayashi, Takayuki Okuda
We study invariant statistical connections on the space of zero-mean multivariate normal distributions (the multivariate centered Gaussian model) equipped with th…
math.ST2026
A new class of colored Gaussian graphical models with explicit normalizing constants
Adam Chojecki, Piotr Graczyk, Hideyuki Ishi +1
We study Bayesian model selection in colored Gaussian graphical models (CGGMs), which combine sparsity of conditional independencies with symmetry constraints encoded by vertex- an…