1/1² + 1/2² + 1/3² + … = π²/6
— Tamás Görbe (@TamasGorbe) March 13, 2020
~ a fluid dynamics proof ~
The complex function
f(z) = cot(πz)/2z²
gives rise to a fluid flow such that the conservation of mass yields the solution of the Basel problem. pic.twitter.com/Q0iN2ZAT1X