Show x(t) is an element of a subspace E for all t
138025
How to show the solution of $\dot{x} = Ax $ is an invariant subspace?
41013
Subspace of $C^3$ that spanned by a set over C and over R
125209
Prove $e^x - e^y \leq e |x-y|$ for $x$ belonging to $[0,1]$
14713
$X=(-\infty,0]\cup\left\{{1\over n}:n\in\mathbb N\right\}$ with subspace topology Then
23095
Prove that T is a linear transformation
15560
Prove that the union of three subspaces of $V$ is a subspace iff one of the subspaces contains the other two.
86325
Is an increasing union of subspaces a subspace?
99300
Prove if $W \subset V$ is a subspace such that $T(W)\subset W$, then $V/W$ is finite-dimensional.
33642
Finite dimensional subspace of $C([0,1])$
155579
Show that $End_A(A)$ = {$r_a$ | $a ∈ A$}
15576
Addition of two subspaces
27482
How to show $-\sup(-A)=\inf(A)$?
67483
Show that $|a-b|<\epsilon \Rightarrow |a|<|b|+\epsilon$
90525
The subspace of $\ell_2$
79061
show that {$(x_1,x_2,x_3,x_4)\in\mathbb{F}^4$:$x_3=5x_4+b$} is a subspace
73286
Show that the set of all symmetric, real matrices is a subspace, determine the dimension
52596
A basis for $k(X)$ regarded as a vector space over $k$