Per `dang's suggestion https://news.ycombinator.com/item?id=7803158, here's the link to the paper so that we may consolidate the threads:

http://arxiv.org/abs/1405.5563

Edited to steal more screenspace/add context:

Authors:

https://web.archive.org/web/20120402224250/http://193.189.74...

http://edge.org/memberbio/chiara_marletto

You may also be interested in this paper:

http://www.cs.berkeley.edu/~christos/classics/Deutsch_quantu...

Also, http://edge.org/conversation/constructor-theory