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Universal quadratic forms and the Fifteen Theorem. (English) Zbl 0987.11026
Bayer-Fluckiger, Eva (ed.) et al., Quadratic forms and their applications. Proceedings of the conference, University College Dublin, Ireland, July 5-9, 1999. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 272, 23-26 (2000).
The paper gives the history of universal quadratic forms ending with the “Conway-Schneeberger Fifteen Theorem” which is proved in the following article by {\it Manjul Bhargava} [same proceedings, 27-37 (2000; Zbl 0987.11027)]. For the entire collection see [Zbl 0956.00036].

11E12Quadratic forms over global rings and fields