[taliesinb]

Looks interesting, but your link is broken, can you try again or give us a direct PDF or Arxiv link?

[jasomill]

Working Google Scholar link:

https://scholar.google.com/scholar?hl=en&as_sdt=7%2C39&q=tra...

Direct arXiv PDF link to first result:

https://arxiv.org/pdf/1308.3586