Jing-Song Huang, Lectures on Representation Theory, World Scientific, 1999. - セミナーをした上での注意点 - p30, Example (1) line 4. $x=\frac1b x$ should be $x=\frac1b u$. - p32, line 8. Several statement containing the phrase like``can be shown'' is not so easy to be proved by a reader. (S)He may need to refer a textbook as is mentioned before Theorem in page 31. - p33, line 5, `indepedent' should be independent. - p33, line 8. Add a comma after `simple roots', even if it is not necessary. - p34, Lemma. killing should be Killing. - p35, line -12. Add `$\}$' at the end of the line.