Name of upper triangular/lower triangular Lie Algebra decomposition - MathOverflow most recent 30 from http://mathoverflow.net 2013-06-19T17:20:23Z http://mathoverflow.net/feeds/question/13361 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/13361/name-of-upper-triangular-lower-triangular-lie-algebra-decomposition Name of upper triangular/lower triangular Lie Algebra decomposition Q.Q.J. 2010-01-29T09:30:52Z 2010-02-01T16:24:03Z <p>What is the name of the Lie algebra decomposition where the positive root vectors are upper triangular and the negative root vectors are lower triangular?</p> http://mathoverflow.net/questions/13361/name-of-upper-triangular-lower-triangular-lie-algebra-decomposition/13704#13704 Answer by Pavel Etingof for Name of upper triangular/lower triangular Lie Algebra decomposition Pavel Etingof 2010-02-01T16:24:03Z 2010-02-01T16:24:03Z <p>I think people use the term "triangular decomposition" or sometimes "polarization"</p>