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Ado's Theorem




While for the Lie algebras associated to Classical Group s there is nothing new in this, the general case is a deeper result. Applied to the real Lie algebra of a Lie Group ''G'', it shows not that ''G'' has a faithful linear representation (which is not true in general), but that ''G'' always has a linear representation that is a Local Isomorphism with a Linear Group . It was proved in 1935 by Igor Dmitrievich Ado of Kazan State University , a student of Nikolai Chebotaryov .

The restriction on the characteristic was removed later, by Iwasawa and Harish-Chandra.


REFERENCES

  • I. D. Ado, ''Note on the representation of finite continuous groups by means of linear substitutions'', Izv. Fiz.-Mat. Obsch. (Kazan') , 7 (1935) pp. 1–43 (Russian language)

  • I. D. Ado, ''The representation of Lie algebras by matrices"'' Transl. Amer. Math. Soc. (1) , 9 (1962) pp. 308–327 Uspekhi Mat. Nauk. , 2 (1947) pp. 159–173

  • K. Iwasawa , ''On the representation of Lie algebras'', Japanese Journal of Mathematics, vol. 19 (1948), pp. 405-426

  • Harish-Chandra , ''Faithful representations of Lie algebras''. Ann. Math. 50 (1949) 68-76

  • Nathan Jacobson , ''Lie Algebras'', pp. 202-203



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