A certain family of homogeneous spaces is investigated. Basic invariant operators for each of these structures are presented and some analogies to Levi-Civita connections of Riemannian geometry are pointed out.
@article{701786,
title = {Aspects of parabolic invariant theory},
booktitle = {Proceedings of the 18th Winter School "Geometry and Physics"},
series = {GDML\_Books},
publisher = {Circolo Matematico di Palermo},
address = {Palermo},
year = {1999},
pages = {25-47},
mrnumber = {MR1692257},
zbl = {0967.53033},
url = {http://dml.mathdoc.fr/item/701786}
}
Gover, Rod A. Aspects of parabolic invariant theory, dans Proceedings of the 18th Winter School "Geometry and Physics", GDML_Books, (1999), pp. 25-47. http://gdmltest.u-ga.fr/item/701786/