Summary
We give several proofs that a stably free module of even rank need not be self-dual.
With best wishes to Parimala on the 21st of November
2010 Mathematics subject classification. Primary: 13C10, 19A13. Secondary: 14C25, 19B14, 19L10, 55Q05, 55R25.
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Nori, M.V., Rao, R.A., Swan, R.G. (2010). Non-self-dual Stably Free Modules. In: Colliot-Thélène, JL., Garibaldi, S., Sujatha, R., Suresh, V. (eds) Quadratic Forms, Linear Algebraic Groups, and Cohomology. Developments in Mathematics, vol 18. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6211-9_20
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