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 Feb 21 comment Prove the topology $\mathcal{T} = \{\emptyset\} \cup \{(-\infty, c) | c \in \mathbb{R}\}$ is Tychonoff Royden's defines a topological space $(X, \mathcal{T})$ to have the Tychonoff propert if "For each two points $u$ and $v$ in $X$, there is a neighborhood of $u$ that does not contain $v$ and a neighborhood of $v$ that does not contain $u$." Feb 21 asked Prove the topology $\mathcal{T} = \{\emptyset\} \cup \{(-\infty, c) | c \in \mathbb{R}\}$ is Tychonoff Jan 15 comment Proof that interpolation converges; Reference request Thanks, very much! Dec 7 accepted Proof that interpolation converges; Reference request Dec 7 answered Proof that interpolation converges; Reference request Dec 3 comment is the function $1/\sqrt{x}$ uniformly continuous? You're right. I've corrected the answer. Thanks! Dec 3 revised is the function $1/\sqrt{x}$ uniformly continuous? deleted 15 characters in body Dec 3 answered is the function $1/\sqrt{x}$ uniformly continuous? Dec 2 awarded Yearling Dec 2 asked Proof that interpolation converges; Reference request Nov 8 revised $f'(z)$ is imaginary on the complex axis deleted 1 characters in body Nov 8 accepted $f'(z)$ is imaginary on the complex axis Nov 8 revised $f'(z)$ is imaginary on the complex axis added 52 characters in body Nov 8 asked $f'(z)$ is imaginary on the complex axis Nov 6 answered Where to begin in approaching Stochastic Calculus? Nov 1 answered Show that $P\{|X-EX | \ge a\} = \frac{E(X - EX)^2}{a^2}$, $a \gt 0$ and $X$ is a random variables taking the values $\{-1,0,1\}$. Oct 31 comment Trying to prove proposition is a tautology Have you tried to writing out the truth table? Oct 30 comment Help with Metric spaces Would you mind using latex? It's a little hard for me to read. Oct 30 comment Interior Set of Rationals. Confused! Hint: what does contained in mean? Oct 30 answered Help with Metric spaces