Union theorem for cohomological dimension: a simple counterexample
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- by Jerzy Dydak PDF
- Proc. Amer. Math. Soc. 121 (1994), 295-297 Request permission
Abstract:
An elementary counterexample to the Union Theorem for cohomological dimension with coefficients in ${\mathbf {Z}}/{2^\infty }$ is presented.References
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A. Dranishnikov, D. Repovš, and E. Ščepin, On the failure of the Urysohn-Menger sum formula for cohomological dimension, preprint.
J. Dydak and J. J. Walsh, Aspects of cohomological dimension for principal ideal domains (in preparation).
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Additional Information
- © Copyright 1994 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 121 (1994), 295-297
- MSC: Primary 55M10; Secondary 54F45, 54G20
- DOI: https://doi.org/10.1090/S0002-9939-1994-1205489-3
- MathSciNet review: 1205489