(TeX-add-style-hook "master"
 (lambda ()
    (TeX-add-symbols
     '("vhat" 1)
     '("vr" 1)
     '("mx" 1)
     "nn"
     "ammoniagroup")
    (TeX-run-style-hooks
     "mathrsfs"
     "latex2e"
     "beamer10"
     "beamer"
     "mathserif")))