2 problems

Let $(X_n)_{n\in\mathbb{Z}}$ be a stationary reversible Markov chain with transition operator $Q$, invariant distribution $\pi$, and let…

Let $\hat{F}^{\lambda}_{[t/\lambda]}$ be the stochastic gradient boosting process, let $(\hat{F}_t)_{t\geq 0}$ be its infinitesimal gradient boosting limit, let…