On Kemeny's constant and stochastic complement

Dario Andrea Bini, Fabio Durastante, Sooyeong Kim +1

Given a stochastic matrix $P$ partitioned in four blocks $P_{ij}$, $i,j=1,2$, Kemeny's constant $\kappa (P)$ is expressed in terms of Kemeny's constants of the stochastic complements $P_…