2 problems

Let $s\in(0,1)$ and let $n$ satisfy … so that $n\leq 3$. Let $\lambda$ be the parameter in the best constant $\mathcal S_s^{\lambda,{2^*_s}}(\mathbb R^n_+)$, and let…

Let $s\in(0,1)$, let $n$ be the dimension, let $\lambda$ be in the range considered for $\mathcal S_s^{\lambda,{2^*_s}}(\mathbb R^n_+)$, and let…