Solution
= Solution
All sequence spaces here are over $\mathbb C$. Use the <supremum norm> on $\ell^\infty,c_0,c_{00}$ and the <summable sequence> norm $\|a\|_1=\sum_j|a_j|$ on $\ell^1$. The dual consists of continuous complex-linear functionals.
= Solution
All sequence spaces here are over $\mathbb C$. Use the <supremum norm> on $\ell^\infty,c_0,c_{00}$ and the <summable sequence> norm $\|a\|_1=\sum_j|a_j|$ on $\ell^1$. The dual consists of continuous complex-linear functionals.