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Transactions of the American Mathematical Society

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Kähler Differentials, the $T$-functor, and a Theorem of Steinberg

Authors: W. G. Dwyer and C. W. Wilkerson
Journal: Trans. Amer. Math. Soc. 350 (1998), 4919-4930
MSC (1991): Primary 55N99, 13D99
MathSciNet review: 1621741
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Abstract: Let $T$ be the functor on the category of unstable algebras over the Steenrod algebra constructed by Lannes. We use an argument involving Kähler differentials to show that $T$ preserves polynomial algebras. This leads to new and relatively simple proofs of some topological and algebraic theorems.

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Additional Information

W. G. Dwyer
Affiliation: Department of Mathematics, University of Notre Dame, Notre Dame, Indiana 46556
MR Author ID: 61120

C. W. Wilkerson
Affiliation: Department of Mathematics, Purdue University, West Lafayette, Indiana 47907

Received by editor(s): August 1, 1996
Additional Notes: The authors were supported in part by the National Science Foundation
Article copyright: © Copyright 1998 American Mathematical Society