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Ben Steffan's user avatar
Ben Steffan's user avatar
Ben Steffan
  • Member for 5 years, 3 months
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Interested mainly in Algebraic Topology.

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12
Exhaustion by compact sets eventually include fixed compact set.
Mar 28
answer
9
What is a homotopy pushout? Non-categorical terms please
Aug 6
answer
8
Does gluing two points prevent simple connectedness?
Aug 23
answer
8
Adjunction between $\mathrm{Top}$ and $\mathrm{hTop}$
May 10
answer
8
Are the complex numbers a graded algebra?
Jun 24
question
7
Invertibility of elements in $A[x]$ with coefficients in the Jacobson radical
May 4, 2020
question
7
Is there a "nice" description of Bousfield localisation at $H \mathbb{Z}$?
Jul 12
answer
7
Can every manifold be written as the union of two contractible open subspaces?
May 3
answer
7
Isn't the fundamental group a hom functor?
May 10
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7
Homotopy and Homology groups of two disks glued with twists
Jul 30
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When are too many questions in a single post too many questions?
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35
A Fraction class in C++
23
Sorting algorithms - Bubble sort
23
C++ multiple inheritance - same method names - can I somehow remove one of them?
22
92 Spoons AI, sort of an AI in C++
19
Character classes and character creation for an RPG (early prototype)