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CoHarp's user avatar
CoHarp's user avatar
CoHarp
  • Member for 3 years, 3 months
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I like algebra and combinatorics!

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5
Rearrangement property of diagonal matrices
Aug 18, 2023
3
Why is a non-planar graph still non-planar after subdividing it?
Aug 13, 2023
3
Confused about the definition of a limit point
Sep 3, 2023
2
Stronger than the strong Bruhat order on $S_n$
May 20
2
Pseudo-determinant of rank deficient matrix times a constant.
Aug 3, 2023
1
Is it possible to get multiple bounds from the Ramsey-like recursion $f(t) \leq f(t-1)^2$?
Nov 16, 2023
1
Simple Symmetric Random Walk on $\mathbb{Z}$ first time return to zero
Aug 11, 2023
1
Proving the following question: Z[3i] isn't PID by use of the quotient map Z/(3i) isn't a field.
Aug 13, 2023
1
Is $f^{-1}(A)$ always rigorously defined even when $A$ is a set not in the codomain?
Aug 13, 2023
1
Plethysm Substitution Rule issue
Oct 28, 2023