Sufficient and necessary condition for a linear map to be a scalar multiplication
4280
A linear operator commuting with all such operators is a scalar multiple of the identity.
42941
Pair of adjoint functors and showing that two certain maps are inverses
60731
Factorization of a map between CW complexes
100107
How can I prove that a linear map $T:V\to V$ such that $T^2 = I$ is equal to the Identity map?
113671
Frobenius Automorphism as a linear map
123220
Quick doubt about multiplying vectors by scalars
121264
Prove that rank $(g \circ f)\le \min[\operatorname{rank}(f),\operatorname{rank}(g)]$; $g$ and $f$ are linear mappings
48419
Difference between $\mathbb{R}$-linear and $\mathbb{C}$-linear maps
93121
How to prove there exists a linear transformation?
126698
measurability of a function -equivalent conditions
112548
Existence of non-trivial linear functional on any vector space
156910
Necessary and sufficient condition for $R/IJ \cong R/I \times R/J$
65971
Double dual mappings
35022
When do we need composite order groups for bilinear maps and when prime order?
112024
Let $T:V → V$ be a linear transformation where $V$ is finite dimensional.
39800
Existence of solution for a linear system mod 2
96530
Matrix representation of linear map in this basis