For arXiv.org links, please link to the abstract page rather than directly to the PDF: http://arxiv.org/abs/1307.0827 http://arxiv.org/abs/1307.0827 Also, it's

For arXiv.org links, please link to the abstract page rather than directly to the PDF: http://arxiv.org/abs/1307.0827 http://arxiv.org/abs/1307.0827 Also, it's often good practice not to link to a specific version (the "v1" in the original link here), since papers are often updated with corrections or additional references. (That's sometimes desired, of course, but it's not the usual case.)