This was on the strength of some excellent mathematical papers on the calculation of elliptic functions, the first of which was The geometry of the elliptic equation which he published in 1858.
Ito ay sa lakas ng ilang mahusay na matematiko mga papeles sa pagkalkula ng mga tambilugin function, ang unang na kung saan ay Ang geometry ng tambilugin equation na kung saan siya nai-publish sa 1858.