Hostname: page-component-77c89778f8-5wvtr Total loading time: 0 Render date: 2024-07-19T14:29:51.664Z Has data issue: false hasContentIssue false

Grothendieck groups of twisted free associative algebras

Published online by Cambridge University Press:  18 May 2009

Koo-Guan Choo
Affiliation:
Department of Pure Mathematics, University of Sydney, Sydney, N.S.W. 2006, Australia
Rights & Permissions [Opens in a new window]

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Let R be an associative ring with identity, X a set of noncommuting variables, = {αx} xX a set of automorphisms αx of R and R {X} the -twisted free associative algebra on X over R. Let Y be another set of noncommuting variables, ℬ = {βy}y∈Y a set of automorphisms βy of R {X} and S = (R{X}) {Y} the ℬ-twisted free associative algebra on Y over R{X}. Next, let X1 be a set of noncommuting variables, for each l = 1,2,…. We form the free associative algebra S1 = S{X1}on Xl over S and inductively, we form the free associative algebra Sl+1 = Sl{Xl+1} on Xl+1 over Sl, l = 1,2,….

Type
Research Article
Copyright
Copyright © Glasgow Mathematical Journal Trust 1977

References

REFERENCES

Choo, Koo-Guan, Whitehead groups of twisted free associative algebras, Pacific J. Math. 50 (1974), 399402.CrossRefGoogle Scholar
Choo, K. G., Lam, K. Y. and Luft, E., On free product of rings and the coherence property, Lectures Notes in Mathematics 342 (Springer-Verlag, 1973), 135143.Google Scholar
Farrell, F. T., The obstruction of fibering a manifold over a circle, Indiana Univ. Math. J. 21 (1971), 315346.CrossRefGoogle Scholar
Farrell, F. T and Hsiang, W. C., A formula for K 1R α[T], Proc. Sympos. Pure Math. 17 (Amer. Math. Soc, 1970), 192218.Google Scholar
Gersten, S. M., K-theory of free rings, Comm. in Algebra 1(1) (1974), 3964.CrossRefGoogle Scholar