Proving that the induced L1 and L-infinity matrix norms are duals of one another
139595
Show that $(l_1)^* \cong l_{\infty}$
148954
Understanding a statement about equivalent norms ($||\cdot ||_2 \sim||\cdot||_1 $)
41620
The dual space of $c$ is $\ell^1$
105587
Given two equivalent norms, convergence in one implies convergences in other.
154913
Are all the norms of $L^p$ space equivalent?
149997
Convolution operator has norm 1 with respect to $L^2$ norm
111128
The Duals of $l^\infty$ and $L^{\infty}$
46435
2-norm of the orthogonal projection
146839
Orthogonal Projection onto the $ {L}_{\infty} $ Unit Ball
36878
Prove that $\operatorname{SL}(n,\Bbb R)$ is connected.
156727
A step in the proof of Characterization of $W^{1,\infty}$
67625
$C([0, 1])$ is not complete with respect to the norm $\lVert f\rVert _1 = \int_0^1 \lvert f (x) \rvert \,dx$
111031
Matrix rank and linear independence of functions
123505
how to prove vector norm equivalence in finite dimensional space($\mathbb{R}^{n}$)?
152196
About inner products, norms and metrics
60685
The vector space formed on C[0,1] and the norm $(\int_{0}^{1}|f(t)|^2 dt)^{1/2} $
98759
Proof of "Dual normed vector space is complete"