User contributions for 76.21.0.35

6 May 2013

• 05:2405:24, 6 May 2013 diff hist +2,656 N Wirtinger's inequality for functions Corrected statement. Previous version omitted a^2 on right-hand side and as such was not scale invariant; for example, previous version was false for f(x)=sin((pi/a)x) when a>1. current