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Mar 4 at 22:39 comment added YCor Oops, you're right, I checked but not carefully...
Mar 4 at 20:40 history edited Piotr CC BY-SA 4.0
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Mar 4 at 20:34 comment added Piotr I don't find there any table with the centers of, e.g., non-compact non-complex simple Lie algebras. No column of the table on page 718 (in the Gundogan's paper) deals with these centers (e.g., the center of E6(-14) is infinite cyclic - there is no such group in this table).
Mar 4 at 19:11 comment added YCor There's a table in H. Gündogan, "The Component Group of the Automorphism Group of a Simple Lie Algebra and the Splitting of the Corresponding Short Exact Sequence" Journal of Lie Theory Volume 20 (2010) 709–737 (see p718) heldermann-verlag.de/jlt/jlt20/guendola2e.pdf
S Mar 4 at 18:03 review First questions
Mar 4 at 21:15
S Mar 4 at 18:03 history asked Piotr CC BY-SA 4.0