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Bulletin of the American Mathematical Society

ISSN 1088-9485(online) ISSN 0273-0979(print)



A new measure of growth for countable-dimensional algebras

Authors: John Hannah and K. C. O’Meara
Journal: Bull. Amer. Math. Soc. 29 (1993), 223-227
MSC (2000): Primary 16P90; Secondary 15A30, 16G99, 16S50
MathSciNet review: 1215312
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Abstract: A new dimension function on countable-dimensional algebras (over a field) is described. Its dimension values for finitely generated algebras exactly fill the unit interval [0, 1]. Since the free algebra on two generators turns out to have dimension 0 (although conceivably some Noetherian algebras might have positive dimension!), this dimension function promises to distinguish among algebras of infinite GK-dimension.

References [Enhancements On Off] (What's this?)

  • [1] K. R. Goodearl, P. Menal, and J. Moncasi, Free and residually artinian regular rings, J. Algebra 156 (1993), 407-432. MR 1216477 (94f:16025)
  • [2] G. R. Krause and T. H. Lenagan, Growth of algebras and Gelfand-Kirillov dimension, Pitman, New York, 1985. MR 781129 (86g:16001)
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Article copyright: © Copyright 1993 American Mathematical Society

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