Basel problem

Meaning

Proper Noun

• The question as to the value of $\backslash sum\_\{n=1\}^\backslash infty\backslash frac1\{n^2\}$, the sum of the reciprocals of the squares of the positive integers.

Origin

• Named after Basel, the home town of Euler and of the Bernoulli family who unsuccessfully attacked the problem.