Cartan Subgroup
References
Knapp, A. W. "Group Representations and Harmonic Analysis, Part II." Not. Amer. Math. Soc. 43, 537-549, 1996.Referenced on Wolfram|Alpha
Cartan SubgroupCite this as:
Weisstein, Eric W. "Cartan Subgroup." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/CartanSubgroup.html