Mathematics
Ben Steffan's user avatar
Ben Steffan's user avatar
Ben Steffan's user avatar
Ben Steffan
  • Member for 4 years, 3 months
  • Last seen more than 2 years ago
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About

Undergraduate student majoring in mathematics at the University of Bonn.

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All Questions Answers
Score Newest
question
7
Invertibility of elements in $A[x]$ with coefficients in the Jacobson radical
May 4, 2020
answer
3
Euler characteristic of projective plane (rank$(H_1(\mathbb{R}P^2))=$ rank$(Z_2)=0?$)
Feb 9, 2020
answer
3
Some confusion regarding a quotient space: what is the space $\mathbb{S}^1\times I/ \mathbb{S}^1\times \{1\}$?
May 23, 2020
question
2
Fundamental group of the complement of $k$ points in $\mathbb{R}^2$
Jun 12, 2019
answer
2
Homology of spheres: how to show that $\tilde{H}_{n-1}(S^{n-1})\cong\tilde{H}_{n}(S^{n})$, without Mayer Vietoris
Feb 28, 2020
answer
2
Brouwer's theorem proof using Category theory
Mar 20, 2020
answer
2
In an algebraic system, is there a general name for an element that behaves like 0 does for multiplication in $\mathbb R$?
Mar 21, 2020
answer
2
Invertibility of elements in $A[x]$ with coefficients in the Jacobson radical
May 4, 2020
answer
1
Faces of a simplex in a simplicial complex is in the simplicial complex
May 4, 2020
answer
1
Prove that a subset is open relative to another subset (Proof Verification)
May 7, 2020
Top network posts
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35
A Fraction class in C++
23
Sorting algorithms - Bubble sort
22
92 Spoons AI, sort of an AI in C++
21
C++ multiple inheritance - same method names - can I somehow remove one of them?
19
Character classes and character creation for an RPG (early prototype)

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