Which manifold is this?

This is the first exercise from Thurston’s Three Dimensional Geometry and Topology Vol. 1.

Which manifold is this?

It is like an old trick. Try following the lines. There are actually 6 loops (circles) in this maze.

Here is a color coded picture of it.

By Ashani Dasgupta

Pursuing Ph.D. in Geometric Group Theory at University of Wisconsin, Milwaukee

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