Curvature of Matrix and Reductive Lie Groups
Journal of Lie Theory, Volume 30 (2020) no. 2, pp. 361-370
We give a simple formula for sectional curvatures on the general linear group, which is also valid for many other matrix groups. Similar formula is given for a reductive Lie group. We also discuss the relation between commuting matrices and zero sectional curvature.
DOI:
10.5802/jolt.1120
Classification:
53B20, 14L35, 51N30
Keywords: Curvature, general linear group, reductive Lie group, closed subgroup
Keywords: Curvature, general linear group, reductive Lie group, closed subgroup
@article{JOLT_2020_30_2_a4,
author = {L. Gan and M. Liao and T.-Y. Tam},
title = {Curvature of {Matrix} and {Reductive} {Lie} {Groups}},
journal = {Journal of Lie Theory},
pages = {361--370},
year = {2020},
volume = {30},
number = {2},
doi = {10.5802/jolt.1120},
zbl = {1440.53060},
url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.1120/}
}
L. Gan; M. Liao; T.-Y. Tam. Curvature of Matrix and Reductive Lie Groups. Journal of Lie Theory, Volume 30 (2020) no. 2, pp. 361-370. doi: 10.5802/jolt.1120
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