An exercise about matrices and arithmetic
27984
Square matrices satisfying certain relations must have dimension divisible by $3$
123044
Commutative matrices are multiples of the identity
74460
Matrices A+B=AB implies A commutes with B
31326
Number of $(0,1)$ $m\times n$ matrices with no empty rows or columns
120937
Matrices that commute with all matrices
109167
Nth roots of square matrices
102935
Trace and determinant of composition of a left-multiplication and a right-multiplication on a space of matrices
37252
How can I show that $\begin{pmatrix} 1 & 1 \\ 0 & 1\end{pmatrix}^n = \begin{pmatrix} 1 & n \\ 0 & 1\end{pmatrix}$?
136329
A matrix is similar to its transpose
45460
Proof verification of a number theory problem involving sequences.
116823
VERIFYING: Proving an $n \times n$ Matrix Vector Space
84279
The average determinant of all integer matrices with coefficients $0,1,2$
26343
Number of certain (0,1)-matrices, Stanley's Enumerative Combinatorics
110799
Task interpretation for Hoffman Kunze Linear Algebra exercise 1 (b) sec. 3.6
123808
How would I solve the following problem involving elementary matrices?
41660
Taking the product of a list of matrices
61526
An exercise about nilpotent quotient groups