Abstract
Si dimostrano alcuni risultati sulle algebreR sopra un campoF. SiaL≠0 un ideale sinistro diR; allora si definisceG (L) medianteG (L)={aεR|a a,u (u)=0 per ogniu ε L, dovep a,u (t)≠0εF[t]}. Il risultato principale asserisce cheG(L)L è un ideale sinistro algebrico sopraF. Questo rende più preciso un teorema dimostrato da Bergen e Herstein in [1].
References
Bergen J., Herstein I. N.,The algebraic hypercenter of a ring and some applications, (to appear in Journal of Algebra).
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Herstein I. N.,A theorem on invariant subrings, (to appear in Journal of Algebra).
Herstein I. N.,Topics in Ring Theory, Chicago Lecture Notes in Mathematics, Univ. of Chicago Press, 1969.
Herstein I. N.,Non-Commutative Rings, Carus Monograph 15, Math. Assoc. of America, 1968.
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Research supported by NSF grant MCS-8102427 at the University of Chicago.
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Herstein, I.N. Some results on annihilation in algebras. Rend. Circ. Mat. Palermo 32, 330–335 (1983). https://doi.org/10.1007/BF02848537
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DOI: https://doi.org/10.1007/BF02848537