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A bound on the rank of purely simple systems
Author:
Frank Okoh
Journal:
Trans. Amer. Math. Soc. 232 (1977), 169-186
MSC:
Primary 15A03; Secondary 13F10
MathSciNet review:
0498625
Full-text PDF Free Access
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Abstract: A pair of complex vector spaces (V, W) is called a system if and only if there is a C-bilinear map from to W. The category of systems contains subcategories equivalent to the category of modules over the ring of complex polynomials. Many concepts in the latter generalize to the category of systems. In this paper the pure projective systems are characterized and a bound on the rank of purely simple systems is obtained.
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- U. Fixman, On algebraic equivalence between pairs of linear transformations, Trans. Amer. Math. Soc. 113 (1964), 424-453. MR 30 #98. MR 0169855 (30:98)
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- U. Fixman and N. Sankaran, The fundamental functors for pairs of linear transformations (to appear).
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- -, Indecomposable representations. II, Symposia Mathematica, Vol. XI (INDAM, Rome, 1971), Academic Press, London and New York, 1973, pp. 81-104. MR 49 #5132. MR 0340377 (49:5132)
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- F. Okoh, Torsion-free modules over a non-commutative hereditary ring, Ph. D. thesis, Queen's Univ., Kingston, Ontario, 1975.
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- C. M. Ringel, Unions of indecomposable modules, Comm. Algebra 3 (1975), 1121-1144. MR 0401845 (53:5672)
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- H. D. Ursell, The degrees of radical extensions, Canad. Math. Bull. 17 (1974), no. 4, 615-617. MR 0382232 (52:3117)
- [14]
- C. P. Walker, Relative homological algebra and Abelian groups, Illinois J. Math. 10 (1966), 186-209. MR 32 #7624. MR 0190210 (32:7624)
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Additional Information
DOI:
http://dx.doi.org/10.1090/S0002-9947-1977-0498625-2
PII:
S 0002-9947(1977)0498625-2
Keywords:
Torsion-free system,
torsion-closure,
pure projective,
purely simple,
basis with respect to generation,
rank
Article copyright:
© Copyright 1977 American Mathematical Society
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