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[edit] Summary

Juan Manuel Márquez B. Category Mathematics

[edit] Licensing

I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide.

In case this is not legally possible:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

This image represents part of the projective plane $\mathbb{R}P^2$ decomposed into three disks $D 1, D 2, D 3$ to illustrate how to split the product $\mathbb{R}P^2\times S^1$ into three solid tori $V 1, V 2, V 3$ .