bcrowell Staff Emeritus Science Advisor Insights Author Messages 6,723 Reaction score 431 Aug 30, 2015 #31 Actually the bound in #29 doesn't just apply in 1+1 dimensions. Since both r and a are perpendicular to W, they lie in a spacelike plane whose geometry is Euclidean, so you can apply the Euclidean Cauchy-Schwarz to them.
Actually the bound in #29 doesn't just apply in 1+1 dimensions. Since both r and a are perpendicular to W, they lie in a spacelike plane whose geometry is Euclidean, so you can apply the Euclidean Cauchy-Schwarz to them.