Link to the actual paper here: http://www.sciencedirect.com/science/article/pii/S0168952512001588 http://www.sciencedirect.com/science/article/pii/S0168952512..

Link to the actual paper here: http://www.sciencedirect.com/science/article/pii/S0168952512001588 http://www.sciencedirect.com/science/article/pii/S0168952512... I'm curious as to what HN thinks about this.