I agree the paper is very interesting Is there a mistake in equation 3? shouldn't it read: ER = integral (-inf, 0, p(h | ABS( Delta ), sigma ) dh ? for posit

I agree the paper is very interesting Is there a mistake in equation 3? shouldn't it read: ER = integral (-inf, 0, p(h | ABS( Delta ), sigma ) dh ? for positive Delta I agree, but with negative delta either the integral should run from 0 to +inf, or the absolute value of Delta should be taken?