query: $f$ entire, $f$ satisfies $|f(x+iy)|\leq\frac{1}{|y|}$ for all $x,y\in\mathbb{R}$. Prove that $f\equiv 0$.
positive_passages.docid: 3310
positive_passages.text: Application of Liouville's Theorem
negative_passages.docid: 111756
negative_passages.text: How do I prove that then $f(x) = 1$ for some $x ∈ [0, 1]$?
negative_passages.docid: 148981
negative_passages.text: Entire $f$ and $g$ constant if $e^{f(z)}+e^{g(z)}=1$
negative_passages.docid: 81758
negative_passages.text: Suppose an entire function $f$ is real if and only if $z$ is real. Prove that $f$ has at most $1$ zero.
negative_passages.docid: 41173
negative_passages.text: If $f\in S_\infty$ and $\int_{\mathbb{R}}x^pf(x)d\mu=0$ for all $p\in\mathbb{N}$ then $f\equiv 0$?
negative_passages.docid: 14759
negative_passages.text: Prove that $ f(z) = 0 $ for all $ z \in \overline{D}(0,1) $.
negative_passages.docid: 4296
negative_passages.text: If $f,g$ are entire functions and$\ fg\equiv 0$ then either $f \equiv 0$ or $g\equiv0. $
negative_passages.docid: 48275
negative_passages.text: $f$ defined $|f(x) - f(y)| \leq |x - y|^{1+ \alpha}$ Prove that $f$ is a constant.
negative_passages.docid: 85739
negative_passages.text: Show that $f(x) = 0$ for all $x \in [a,b]$ given $|f'(x)| \leq C|f(x)| $
negative_passages.docid: 8854
negative_passages.text: Prove $f $ is identically zero if $f(0)=0$ and $|f'(x)|\le|f(x)|$
negative_passages.docid: 40905
negative_passages.text: Prove $f(\sum^k_{i=1} \alpha_i x_i) \leq \sum^k_{i=1} \alpha_i f(x_i) $ for a convex function f
negative_passages.docid: 76148
negative_passages.text: Show that $\exists c \in \mathbb{R} : f(c) = 0$
negative_passages.docid: 158561
negative_passages.text: Let $f (z) $ be an entire function such that $|f (z)|≤K|z|$, $∀z∈\mathbb{C}$, for some $K>0$. If $f (1) =i$, then$f (i) $ is
negative_passages.docid: 17646
negative_passages.text: If $\frac{f(x)}{x}$ is decreasing in $(0,\infty)$, prove that $f(a+b) \leq f(a) + f(b)$ for $a,b >0$
negative_passages.docid: 74502
negative_passages.text: Proving the bijection of a continuous function $f$ such that $|f(x)-f(y)| \geq \log(1+|x-y|) \forall x,y$ in $\mathbb{R}.$
negative_passages.docid: 149739
negative_passages.text: Prove: $f(t)\leq t+1$
negative_passages.docid: 105316
negative_passages.text: Prove : $|x - y| \leqslant \epsilon$ $\forall \epsilon > 0$ iff $x = y$