299

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13
Examples of common false beliefs in mathematics.
30
What are some examples of colorful language in serious mathematics papers? (2)
6
Most memorable titles
14
Taking lecture notes in lectures
13
What is your favorite “strange” function?
19
Counterexamples in Algebra?
24
Where is number theory used in the rest of mathematics?
3
What is the Implicit Function Theorem good for?
42
How can there be topological 4-manifolds with no differentiable structure?
34
Why is the fundamental group of a compact Riemann surface not free ?
12
“Mathematics talk” for five year olds
8
Is there a high-concept explanation for why characteristic 2 is special?
6
Geometric proof of the Vandermonde determinant?
11
Commutator subgroup does not consist only of commutators?
30
Mathematical ideas named after places
11
Is there a sheaf theoretical characterization of a differentiable manifold?
6
Why do we care about the Hilbert scheme of points?
10
How should one think about non-Hausdorff topologies?
9
The free group $F_2$ has index 12 in SL(2,$\mathbb{Z}$)
1
Why is “abelian” infrequently capitalized?
36
What part of the fundamental group is captured by the second homology group?
8
Non-examples of model structures, that fail for subtle/surprising reasons?
8
Does homeomorphic and isomorphic always imply homeomorphically isomorphic?
15
Deeper meanings of barycentric subdivision
24
Is there a Whitney Embedding Theorem for non-smooth manifolds?
8
functions satisfying “one-one iff onto”
2
Can cotangent bundles see exotic smooth structures?
41
Example of a manifold which is not a homogeneous space of any Lie group
30
Taylor’s theorem and the symmetric group
8
Group Action with a Fixed-Point Property (2)
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