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Answers
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Most helpful math resources on the web
1
What do you call the product of a circle and an annulus?
6
Introductory text on geometric group theory?
2
Nice proof of the Jordan curve theorem?
1
HNN extensions which are free products
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Learning Topology
18
books well-motivated with explicit examples (3)
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less elementary group theory
16
Which mathematicians have influenced you the most?
1
Undergraduate Differential Geometry Texts
1
Memorizing theorems
1
What is the first interesting theorem in (insert subject here)?
0
Algorithmic Combinatorics resources?
-2
Canonical examples of algebraic structures
0
de Rham Cohomology of surfaces
4
What should be offered in undergraduate mathematics that’s currently not (or isn’t usually)?
3
Great mathematical figures and/or diagrams?
2
Circle bundles over $RP^2$