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cs.IT2025
Hyperbolic decomposition of Dirichlet distance for ARMA models
Jaehyung Choi
We investigate the hyperbolic decomposition of the Dirichlet norm and distance between autoregressive moving average (ARMA) models. With the Kähler information geometry of linear s…
cs.IT2021
Kähler information manifolds of signal processing filters in weighted Hardy spaces
Jaehyung Choi
We extend the framework of Kähler information manifolds for complex-valued signal processing filters by introducing weighted Hardy spaces and smooth transformations of transfer fun…