The product of $\phi$ is a Schwartz function with $m \in L^\infty$.
30936
Does the operator $(\hat{f}\cdot m )^\vee$ maps Schwartz in it self?
102585
Why is $L^{\infty}$ not separable?
53173
Infinitely differentiable functions with compact support are dense in $L^p$
37012
The number of summands $\phi(n)$
93806
$\|f\|_{L^{p}}=\sup\left\{\int_{{\bf R}^{n}}|f(x)g(x)|~dx:\|g\|_{L^{q}}\le1\right\}$
123005
$L^p$ Spaces, Young's Theorem, Convolutions, and Minkowski's Inequality
138819
Prove that $\phi(n) \geq \sqrt{n}/2$
98282
Prove that the function $\xi\in R \mapsto {e^{i\cdot \xi\cdot λ}-1\over i\cdot \xi}-λ$ is $C^{\infty}$
10383
The $ l^{\infty} $-norm is equal to the limit of the $ l^{p} $-norms.
4163
Schauder basis of $(c,\|\cdot\|_{\infty})$
26233
$[K(\zeta_n):K]=\phi(n)$?
107686
Proof that the gamma function is an extension of the factorial function
19245
Schwartz Distribution Theory: (Non-)Surjectivity of $f \mapsto f*f$ in $ \mathcal E '$
21290
Meaning of $\int \phi^\dagger \hat A \psi \:\mathrm dx$
114347
Sequence of a product of functions in $L^p. L^q$ with $p,q$ conjugate
111056
Harmonic conjugate of $\ln|z|$ in $\mathbb C \setminus \{0\}$
84930
How to justify $\phi(n) \ge \sqrt{n}$