Is squared Euclidean distance a metric?
128640
Euclidean distance vs Squared
106698
$\mathbb N$ when given the metric $d(m,n)=\frac{1}{m}-\frac{1}{n}$
126944
Metric spaces problem
12184
How to prove that Normal Squared Distances follow a Chi-Square distribution?
42266
Show that $d(x,y)=\min \{1,|x-y|\}$ is a metric on $\mathbb R$
130574
Distance metric for (infinite) lines in 3D
26547
Real numbers equipped with the metric $ d (x,y) = | \arctan(x) - \arctan(y)| $ is an incomplete metric space
22138
Does anyone remember this article about the Euclidean Algorithm?
93635
Euclidean geometry in non-inertial frame
6415
Distance function is continuous in topology induced by the metric
127034
Let $\rho(x,y)= \frac{d(x,y)}{1+d(x,y)}$, show that $\rho$ is a metric equivalent to $d$
54685
Defining metrics as a function to something other than the reals.
14799
How to show that the spherical metric satisfies the triangle inequality?
112303
Distances between closed sets on metric spaces
42361
Why do we use the Euclidean metric on $\mathbb{R}^2$?
69777
Show that, for every metric $d$, the metrics $d/(1+d)$ and $\min\{1,d\}$ are equivalent
31153
Converting similarity matrix to (euclidean) distance matrix