On the Jacobson radical of strongly group graded rings

Andrei V. Kelarev

Commentationes Mathematicae Universitatis Carolinae (1994)

  • Volume: 35, Issue: 3, page 575-580
  • ISSN: 0010-2628

Abstract

top
For any non-torsion group G with identity e , we construct a strongly G -graded ring R such that the Jacobson radical J ( R e ) is locally nilpotent, but J ( R ) is not locally nilpotent. This answers a question posed by Puczyłowski.

How to cite

top

Kelarev, Andrei V.. "On the Jacobson radical of strongly group graded rings." Commentationes Mathematicae Universitatis Carolinae 35.3 (1994): 575-580. <http://eudml.org/doc/247627>.

@article{Kelarev1994,
abstract = {For any non-torsion group $G$ with identity $e$, we construct a strongly $G$-graded ring $R$ such that the Jacobson radical $J(R_e)$ is locally nilpotent, but $J(R)$ is not locally nilpotent. This answers a question posed by Puczyłowski.},
author = {Kelarev, Andrei V.},
journal = {Commentationes Mathematicae Universitatis Carolinae},
keywords = {strongly graded rings; radicals; local nilpotency; Jacobson radical; strongly -graded ring; locally nilpotent Jacobson radical; unique product group; -nilpotency},
language = {eng},
number = {3},
pages = {575-580},
publisher = {Charles University in Prague, Faculty of Mathematics and Physics},
title = {On the Jacobson radical of strongly group graded rings},
url = {http://eudml.org/doc/247627},
volume = {35},
year = {1994},
}

TY - JOUR
AU - Kelarev, Andrei V.
TI - On the Jacobson radical of strongly group graded rings
JO - Commentationes Mathematicae Universitatis Carolinae
PY - 1994
PB - Charles University in Prague, Faculty of Mathematics and Physics
VL - 35
IS - 3
SP - 575
EP - 580
AB - For any non-torsion group $G$ with identity $e$, we construct a strongly $G$-graded ring $R$ such that the Jacobson radical $J(R_e)$ is locally nilpotent, but $J(R)$ is not locally nilpotent. This answers a question posed by Puczyłowski.
LA - eng
KW - strongly graded rings; radicals; local nilpotency; Jacobson radical; strongly -graded ring; locally nilpotent Jacobson radical; unique product group; -nilpotency
UR - http://eudml.org/doc/247627
ER -

References

top
  1. Amitsur S.A., Rings of quotients and Morita contexts, J. Algebra 17 (1971), 273-298. (1971) Zbl0221.16014MR0414604
  2. Clase M.V., Jespers E., On the Jacobson radical of semigroup graded rings, to appear. Zbl0811.16034MR1296583
  3. Cohen M., Montgomery S., Group-graded rings, smash products, and group actions, Trans. Amer. Math. Soc. 282 (1984), 237-258. (1984) Zbl0533.16001MR0728711
  4. Cohen M., Rowen L.H., Group graded rings, Commun. Algebra 11 (1983), 1252-1270. (1983) Zbl0522.16001MR0696990
  5. Gardner B.J., Some aspects of T -nilpotence, Pacific J. Math 53 (1974), 117-130. (1974) Zbl0253.16009MR0360667
  6. Jespers E., On radicals of graded rings and applications to semigroup rings, Commun. Algebra 13 (1985), 2457-2472. (1985) Zbl0575.16001MR0807485
  7. Jespers E., Krempa J., Puczyłowski E.R., On radicals of graded rings, Commun. Algebra 10 (1982), 1849-1854. (1982) MR0674695
  8. Jespers E., Puczyłowski E.R., The Jacobson and Brown-McCoy radicals of rings graded by free groups, Commun. Algebra 19 (1991), 551-558. (1991) MR1100363
  9. Karpilovsky G., The Jacobson Radical of Classical Rings, Pitman Monographs, New York, 1991. Zbl0729.16001MR1124405
  10. Kelarev A.V., Hereditary radicals and bands of associative rings, J. Austral. Math. Soc. (Ser. A) 51 (1991), 62-72. (1991) Zbl0756.16010MR1119688
  11. Kelarev A.V., Radicals of graded rings and applications to semigroup rings, Commun. Algebra 20 (1992), 681-700. (1992) Zbl0748.16018MR1153042
  12. Năstăsescu C., Strongly graded rings of finite groups, Commun. Algebra 11 (1983), 1033-1071. (1983) MR0700723
  13. Okniński J., On the radical of semigroup algebras satisfying polynomial identities, Math. Proc. Cambridge Philos. Soc. 99 (1986), 45-50. (1986) MR0809496
  14. Okniński J., Semigroup Algebras, Marcel Dekker, New York, 1991. MR1083356
  15. Passman D.S., Infinite crossed products and group graded rings, Trans. Amer. Math. Soc. 284 (1984), 707-727. (1984) Zbl0519.16010MR0743740
  16. Passman D.S., The Algebraic Structure of Group Rings, Wiley Interscience, New York, 1977. Zbl0654.16001MR0470211
  17. Puczyłowski E.R., A note on graded algebras, Proc. Amer. Math. Soc. 113 (1991), 1-3. (1991) MR0991706
  18. Puczyłowski E.R., Some questions concerning radicals of associative rings, Proc. Szekszásrd 1991 Conf. Theory of Radicals Coll. Math. Soc. János Bolyai 61 (1993), 209-227. (1993) MR1243913
  19. Ram J., On the semisimplicity of skew polynomial rings, Proc. Amer. Math. Soc. 90 (1984), 347-351. (1984) Zbl0535.16002MR0728345
  20. Saorín M., Descending chain conditions for graded rings, Proc. Amer. Math. Soc. 115 (1992), 295-301. (1992) MR1093603
  21. Wauters P., Jespers E., Rings graded by an inverse semigroup with finitely many idempotents, Houston J. Math. 15 (1989), 291-304. (1989) Zbl0685.16003MR1022070

NotesEmbed ?

top

You must be logged in to post comments.

To embed these notes on your page include the following JavaScript code on your page where you want the notes to appear.

Only the controls for the widget will be shown in your chosen language. Notes will be shown in their authored language.

Tells the widget how many notes to show per page. You can cycle through additional notes using the next and previous controls.

    
                

Note: Best practice suggests putting the JavaScript code just before the closing </body> tag.