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Leo

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3 If an eigenvalue of an integer matrix lies on the unit circle, must it be a root of unity? Oct 13 '19
3 In Euclidean space, is the intersection of a path-connected set and a linear subspace still path-connected? Aug 13 '19
2 Show that if vectors $(\overline{v},\overline{w}) \in V$ are linearly independent then they are not parallel Aug 12 '19
2 The Similarity Matrix of graph Laplacian Matrix has different names. What's the difference between these names? Jun 30 '19
2 A question on Matrix Norms Aug 21 '19
2 Small question about vertices in hypergraphs Aug 21 '19
2 Approximating $\sum_i \frac{a_i}{\lambda - \lambda_i} = \lambda$ Apr 15 '19
2 If $A^T A v = A A^T v = v$ with $A$ *not* orthogonal. Must $v$ be an eigenvector? Jul 2
1 Must all unitary eigenvalues be non-defective? Jul 29
1 Examples to show that the edge-bound for no paths of length $k$ is best Apr 19 '19
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