Yes. From their facebook about page: > In laying out the map, an N-body algorithm is run to determine positions based on references between the papers. There a

Yes. From their facebook about page: > In laying out the map, an N-body algorithm is run to determine positions based on references between the papers. There are two “forces” involved in the N-body calculation: each paper is repelled from all other papers using an anti-gravity inverse-distance force, and each paper is attracted to all of its references using a spring modelled by Hooke’s law. However it must have taken them a while to converge for 10^6 particles.