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May
8
answered How to read category diagrams?
May
6
comment Help with a proof that the inversion mapping for matrices is continuous
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May
6
comment System of difference equations
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May
5
comment image of symmetric matrices under representation of $GL_2(\mathbb{R})$
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May
5
comment Matrix structure; maybe you can see something I can't…
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May
5
comment Cramer's rule for infinite dimensional vectors
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May
5
comment From a triangular matrix to a symmetric square matrix
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May
5
comment Projecting onto subspace
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Apr
30
comment Limit points of $\cos n$.
The claim in the first sentence is (more or less) proved in an answer to the following question
Apr
30
revised How to find bases for a subspace defined by an equation
corrected small typo
Apr
29
comment Suppose that G is a subgroup of the symmetric group $S_n$ where n≥2.
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Apr
29
reviewed Leave Open Prove a relationship involving floor functions
Apr
29
reviewed Close Can Prime numbers be negative?
Apr
29
reviewed Close For an irrational number $a$ the fractional part of $na$ for $n\in\mathbb N$ is dense in $[0,1]$
Apr
29
reviewed Close Prove that if $3^\frac{F_n-1}{2} \equiv -1 \pmod {F_n}$, then $F_n$ is prime
Apr
29
comment Characters of Linear Algebraic Groups
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Apr
28
comment find eigenvalues and eigenvectors of given operator
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Apr
28
comment Compute a particular solution of AX = b
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Apr
28
comment Finding the column space and row space of matrix?
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Apr
28
comment How to describe all continuous maps from T to T'?
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