Hoffmann, Philipp (2015) A Hitchhiker's Guide to Automatic Differentiation. Working Paper. arXiv.
Hoffmann, Philipp (2014) The Principles of First Order Automatic Differentiation. Working Paper. arXiv.org.
Hoffmann, Philipp, Mackey, Michael and Ó Searcóid, Mícheál (2011) On the second parameter of an (m, p)-isometry. Working Paper. arXiv.org.