Distance of an element to $\ker f$ in a normed vector space.
115237
Distance between point and linear Space
73254
spectral radius in normed space is subadditive.
116273
Does every $\mathbb{R},\mathbb{C}$ vector space have a norm?
140813
How do i prove that continuous linear transformation between normed spaces is bounded?
59647
Vector spaces with fractional dimension
111561
Distance of a point to a subset.
18195
Understanding of the theorem that all norms are equivalent in finite dimensional vector spaces
112548
Existence of non-trivial linear functional on any vector space
51302
Show that the operator norm is submultiplicative
154762
Dual space of a finite dimensional normed space
89555
Inequality for the p norm of a convolution
140124
The distance function on a metric space
60685
The vector space formed on C[0,1] and the norm $(\int_{0}^{1}|f(t)|^2 dt)^{1/2} $
121636
General linear group of a vector space
149664
Norm is sup of inner products (proof).
98759
Proof of "Dual normed vector space is complete"
69766
Is every normed vector space, an inner product space