Q points and A points, suggestion to differentiate them
98107
Different types of reputation?
10044
Points at integer distance
65230
Expressing points in fractional dimensions?
126583
Coloring points on an n-gon
36325
Embedding ordinals in $\mathbb{Q}$
105594
Fixed point, union of $\aleph_0, \aleph_{\aleph_0},\aleph_{\aleph_{\aleph_0}}\dots$ [see Noah's comment on notation]
35156
Constructing a choice function in a complete & separable metric space
57992
choosing points interior to a square
127866
Two triangles and their content ratio
38886
Discontinuous function on Q
128679
How to determine if two points lie on a vector, given a unit vector
93576
Convex combination of extreme points
42213
Computing $\text{Gal}(\mathbb{Q}^{ab}/\mathbb{Q})$
76685
Determine $\text{Aut}(S)$ where $S = \mathbb{Q}[x]/(x^2)$
5667
Marking points of intersection between two curves
79677
Difference of squares - number of representations
24364
How to fit weights into Q-values with linear function approximation