Good Lord~!! If you bother to go to arXiv paper they create a similar pattern to the killer's activities. When I was a kid and polio was rampant in this country someone published a graph of coca cola sales growth and the rising incidence of polio. Perfect overlay, therefore coke caused polio. I kid you not.-Refractory periods recover in milli-seconds. Mathematicians get too many grants.:>))-I hope you are kidding, or trying to teach us math.