2 problems

Let $S_{\varepsilon}$ be the random-walk Metropolis process with position and ridge coordinates $(X_{\varepsilon,j},U_{\varepsilon,j})$, let $\widetilde{S}_{\varepsilon}$ be the sp…

Let $(\mathbf{X}_t^d)_{t\geq 0}$ be the random walk Metropolis process in dimension $d$, let $b_d^l$ denote the quantity measuring the process's tendency to become stuck, and let…