Proposes MMAR model using EM algorithm for regime shifts in matrix time series, deriving consistency and asymptotic normality.
Since sup√T −pmax∥θ−θ0∥F ≤c ∥θ − θ0∥F = op(1), condition (S.4.9) holds if ∥∂vec(IT (θ))/∂θT∥F (T −pmax) = Op(1) uniformly for θ ⊂ Θ
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Mixture Matrix-valued Autoregressive Model
Proposes MMAR model using EM algorithm for regime shifts in matrix time series, deriving consistency and asymptotic normality.