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A comment on HN-like math research discussion for Ph.D.s.

Re:HN-like math research discussion for Ph.D.s by phkahler on Saturday March 02, 2019 @07:13AM (#19288898)
Why are all the links to math.XX sites? Did someone buy all those up?
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Re:HN-like math research discussion for Ph.D.s by i-am-what-i-am on Saturday March 02, 2019 @08:12AM (#19289090)
That is the category. For example, math.GT is Graph Theory and math.NT is Number Theory.
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Re:HN-like math research discussion for Ph.D.s by whunting on Saturday March 02, 2019 @07:19AM (#19288917)
These are just categories (like subreddits)
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