Show that the union of circles in \(\mathbb {R}^2\) with centers at \((0,\frac {1}{2n})\) and radius \(\frac {1}{n}\) does not have a universal cover.
Question
Math 6510 • Differentiable Manifolds
Spring 2017 • Question 8
Question
Spring 2017 • Question 8
Show that the union of circles in \(\mathbb {R}^2\) with centers at \((0,\frac {1}{2n})\) and radius \(\frac {1}{n}\) does not have a universal cover.