Definition of n dimensional hyperconicoids.
130189
Can quadric surfaces be made by cutting a 4-dimensional cone?
153054
Euler characteristic for non-convex polyhedra.
155621
Finiteness of the dimension of a normed space and compactness
4667
Transformations from n-sphere coordinates to cartesian coordinates.
65494
Proper subspaces of $ R^n $
28511
Hypervolume of a $N$-dimensional ball in $p$-norm
111057
On the position of multiple sub and superindices
50277
Relationship between cosines of angles in 4 dimensions
110018
Conjugacy classes in $A_n$.
12469
$\varphi$ in $\operatorname{Hom}{(S^1, S^1)}$ are of the form $z^n$
134081
What is the Cartesian product of $n$ polygons?
47975
Closed cone in the euclidean space $\mathbb{R}^n$
50731
Isometries of the sphere $\mathbb{S}^{n}$
108271
Characteristic map of a n-cell in a CW complex
90365
Riemannian Manifolds with $n(n+1)/2$ dimensional symmetry group
112382
Help with Conic: Hyperbola's chord of contact
130872
Map $f: S^n \to S^n$ that extends over $D^{n+1}$ must identify a pair of antipodal points