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Dan Staley

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98
In (relatively) simple words: What is an inverse limit?
math.stackexchange.com

55
I found that the company I work for is putting a backdoor into mobile phones
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27
Showing that a zigzag space is contractible
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20
Unusual mathematical terms
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19
Nowhere dense subsets of $[0,1]$ with positive measure other than fat Cantor sets
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17
Is it possible to cover $\{1,2,...,100\}$ with $20$ geometric progressions?
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17
Do trivial homology groups imply contractibility of a compact polyhedron?
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15
Applications of ultrafilters
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15
Do 4 consecutive primes always form a polygon?
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14
Why is $\infty^0$ indeterminate?
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14
What is the relevance of Norway in the stories about The Avengers?
scifi.stackexchange.com

12
A seeming paradox in a coin-flipping game
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12
Why did the Cylons decide to occupy the human settlement?
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12
What differences are between $\mathbb{E}^n$ and $\mathbb{R}^n$
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12
Extension of a group homomorphism
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11
Can Infinity Stones be retrieved more than once?
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11
Why are infinitely dimensional vector spaces not isomorphic to their duals?
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11
Is the fundamental group of a compact manifold finitely presented?
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10
Are the Sokovia Accords still in effect?
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10
Sum of Consecutive Perfect Squares
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10
Is there a non-contractible Simplicial Complex with Euler Characteristic 1?
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10
Can a Set Have Infinitely-Many Non-Homeomorphic Topologies?
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10
Can a disconnected set be simply connected?
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9
Is every contractible space a cone?
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9
Law of Large Numbers, a confusion
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8
What are the subobjects of a manifold?
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7
Completion of the real numbers
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7
Whats the point of the Expert Practice AI
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7
A counterexample in topology
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6
Is there a real continuous function of a Cube?
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