Mathematics
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subrosar
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I'm a second year math PhD at UT Austin interested in geometry and topology and occasionally foundations.

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22
Questions from elementary beginners
Jan 13, 2022
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13
Examples of polynomial injections $f:\mathbb{N}\times \mathbb{N}\to \mathbb{N}$
12
Are functions that sum to zero over vertices of similar polygons identically zero?
9
Where does the $2$ in Ricci flow come from?
8
Why is $\log_{-7}49$ undefined instead of $2$?
7
Does sub-module of free module over PID is free require commutativity?

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