2 Questions 6 Answers 0 Followers
Questions related from Jacopo Schino
I have a linear operator A over a separable Hilbert space X, which can be decomposed into two infinite-dimensional subspaces with trivial intersection (say, Y and Z). Y contains eigenfunctions...
30 June 2025 1,124 6 View
Consider the special case of the Gagliardo--Nirenberg inequality in R^4 $$ \|u\|_p \le C_p \|\Delta u\|_2^{1-4/p} \|u\|_4^{4/p} $$ with $p \ge 4$. What is the value of the best constant $C_p$?
14 October 2021 1,165 5 View