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Results tagged with matrices
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user 5641
4
votes
1
answer
293
views
On planarity in two related graphs
Let $A$ be an $(n\times n)$-matrix with entries from $\{0,1\}$ and $B$ its biadjacency matrix $B = \begin{pmatrix} 0 & A\\ A^t & 0 \end{pmatrix}$.
My simple question is: Is there a relationship betw …
- 615
10
votes
1
answer
599
views
Can such a matrix exist?
During my work i came up with the following problem:
I am trying to find an $n \times n$ $(0,1)$-matrix $M$, for any $n > 3$, with the following properties:
The determinant of $M$ is even.
For any …
- 615