Dear all, I may have it wrong, but I thought that Ed. Lasker and Emanuel Lasker were brothers. Both made some contribution to mathematics, the former mostly in a recreational context. He's responsible for Lasker's Nim, for example. R. On Fri, 8 Apr 2016, Warren D Smith wrote:
Macaulay's book gave a star role to the amazing theorem of Lasker, also mentioned here
https://en.wikipedia.org/wiki/Primary_decomposition
It is due to Emanuel Lasker, world chess champion 1894-1921, which I think made him the longest-reigning world champ. So, I had not realized this, but Lasker also made a lasting contribution to mathematics.
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