Top network posts

• 21 Let $f(z)$ be entire function. Show that if $f(z)$ is real when $|z| = 1$, then $f(z)$ must be a constant function using Maximum Modulus theorem
• 14 Proofs of Young's inequality for convolution
• 12 Reference on Minty's trick
• 11 Polynomial mapping primes to primes
• 10 Regularizing effect of the heat equation
• 8 Counterexample of non-negative sequence weakly converging in $\mathscr{M}^1$ but not $L^1$
• 8 Best constant approximation in $L^p(\Omega)$
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