Top network posts

• 77 Are there theoretical applications of trigonometry?
• 59 Did Joseph Fourier ever make a pure mathematical mistake?
• 54 What is the average rational number?
• 38 Does every infinite field contain a countably infinite subfield?
• 37 Is every noninvertible matrix a zero divisor?
• 23 If every five point subset of a metric space can be isometrically embedded in the plane then is it possible for the metric space also?
• 22 $\lim_{n\to\infty} f(t/n)=0$ for every $t$ implies $\lim_{t\to0^+}f(t)=0$ (???)
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