I just found, applying the definition, $\|T\| \leq 1/a + a$
wich i think is true but how do i find $\|T\|$?
2026-04-07 23:42:14.1775605334
Find the operator norm of T with $Tf(x)=f(ax) + f(x/a)$ in $L^2(0, \infty)$ with a > 1.
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