2 problems

Let $\mathcal A$ be the linear subspace of polynomials vanishing at $0$ and $1$ such that, for every Lipschitz domain $\Lambda$, the error term in the asymptotic expansion for…

Let $T_\alpha$ be the higher-dimensional operator associated with frequency domain $\Lambda$ and time domain $\Omega$, as in the one-dimensional setting, where $d$ is the ambient d…