New posts in Linear Transformations

Why is the Change of Basis map unique?

How to show that $\dim\ker(AB) \le \dim \ker A + \dim \ker B $?

How did Einstein integrate $\frac{\partial \tau}{\partial x'}+\frac{v}{c^2-v^2}\frac{\partial \tau}{\partial t}=0$?

If $\ker f\subset \ker g$ where $f,g $ are non-zero linear functionals then show that $f=cg$ for some $c\in F$.

Does a family of linearly independent injective maps have a vector with linearly independent images?

If rank$(T)\le$rank$(T^3)$, then intersection of range and null space of $T$ is zero

Degrees of Freedom in Affine Transformation and Homogeneous Transformation

Linearity of indefinite integrals

Simple proof that if $A^n=I$ then $\mathrm{tr}(A^{-1})=\overline{\mathrm{tr}(A)}$

Why is there no matrix representation of a linear operator