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27
Stuck trying to prove an inequality
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27
What was the first bit of mathematics that made you realize that math is beautiful? (For children's book)
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20
If $e^A$ and $e^B$ commute, do $A$ and $B$ commute?
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14
Are there real-life relations which are symmetric and reflexive but not transitive?
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13
A problem on Condition $\det(A+B)=\det(A)+\det(B)$
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10
When will PageRank fail?
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10
Looking for an intuitive explanation why the row rank is equal to the column rank for a matrix
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9
Bounded functions have bounded derivatives.
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8
Apostol Calculus I Section 11.7 # 9 - Radius of Convergence
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8
Find the determinant of $A$ satisfying $A^{-1}=I-2A.$
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8
for a $3 \times 3$ matrix A ,value of $ A^{50} $ is
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8
$ABCD = I$ then $B^{-1} =?$
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8
Calculating the eigenvalues of a matrix
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7
Find polynomials such that $(x-16)p(2x)=16(x-1)p(x)$
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7
Determinant of a special skew-symmetric matrix
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7
Matrix Determinant
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7
How to show that there exists a root of $f(x)=0$?
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7
Order of matrices
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7
Relation between positive definite Hermitian matrices with their inverses
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6
Is there a function with a removable discontinuity at every point?
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6
eigenvalues of certain block matrices
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6
$A$ is normal and nilpotent, show $A=0$
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6
Does $u v^T + v u^T$ have exactly one positive and one negative eigenvalue when $u \not \propto v$?
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6
Trace minimization with constraints
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6
Show that, for $t>0$, $\log t$ is not a polynomial.
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6
Characteristic polynomial of a matrix with zeros on its diagonal
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6
Is the hypercube graph $\{0,1\}^k$ bipartite?
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6
Spectral radius inequality
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6
The matrix I mentioned below is irreducible and primitive or isn't?
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6
Is this set a Vector Space or not?
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