Kostant, Bertram The principal three-dimensional subgroup and the Betti numbers of a complex simple Lie group. (English) Zbl 0099.25603 Am. J. Math. 81, 973-1032 (1959). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 6 ReviewsCited in 324 Documents MathOverflow Questions: Restricting representations to a principal \(\mathfrak{sl}(2)\) Keywords:group theory PDF BibTeX XML Cite \textit{B. Kostant}, Am. J. Math. 81, 973--1032 (1959; Zbl 0099.25603) Full Text: DOI