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/math/ - Mathematics


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25 Dec 2021Mathchan is launched into public

4 / 3 / 4 / ?

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Request and deliver any books or book recommendation in this thread.

OP starts:
>Algebraic Topology, Allen Hatcher
https://pi.math.cornell.edu/~hatcher/AT/AT+.pdf
You really shouldn't go with any other book. Stick with Hatcher, even when you feel lost.
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>>400
Why should one only stick with Hatcher? I feel like books like May, Strom or Fomenko and Fuchs are plenty good as well.
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>>400
https://www.ihes.fr/~gromov/wp-content/uploads/2018/08/Gromov-Metric-structures-Riemann-non-Riemann-spaces.pdf
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>>400
Are there any books that explain the system in pic or system below
{a231qa=0qa227=0 \begin{cases}\lfloor{\frac{a^2-31-q}{a}}\rfloor=0\\ \lfloor{\frac{q}{a^2-27}}\rfloor =0\end{cases}