Banach–Tarski n sphere
33688
Is the Banach Tarski Theorem applicable to a $4D$ sphere?
103397
Homeomorphisms between infinite-dimensional Banach spaces and their spheres
155244
Holomorphic self map on the open unit disc
152725
Why does $S^n$ satisfy the local $n$-slice condition? (From Lee's Smooth Manifolds)
59745
Behavior of holomorphic functions on the boundary of the unit disk
113696
Showing that the unit ball in $(C^\alpha[a, b], \|\cdot\|_\alpha)$ is compact in $(C[a, b], \|\cdot\|_\infty)$
146839
Orthogonal Projection onto the $ {L}_{\infty} $ Unit Ball
124844
Show that $\phi \circ f$ belongs to $L_p$ for each $f \in L_p$
109046
Is the complement of an open ball in a Banach space connected?
147934
On Tarski-Knaster theorem
85175
Continuous Images of $GL_n(\mathbb{R})$
11762
Compactness of a Sphere
142901
"The closure of the unit ball of $C^1[0, 1]$ in $C[0, 1]$" and its compactness
97391
Prove that $(C^1[0,1], \|\cdot\|)$ is not a Banach space
150987
Showing that the product and metric topology on $\mathbb{R}^n$ are equivalent
59697
Is the boundary of the unit sphere in every normed vector space compact?
121106
Parallelogram law valid in banach spaces?