Property: co-Hopfian

Definition: Every injective endomorphism of $M_R$ is invertible.

Reference(s):

(No citations retrieved.)

Metaproperties:

This property does not have the following metaproperties
Modules
Name
$(x + (x,y)^2)$
$(x)/(x^2)$
$\bigoplus_{i=0}^\infty k$
$\bigoplus_{i=1}^\infty F_2$
$\bigoplus_{i\in\mathbb N} \mathbb Z$
$\mathbb Q$
$\mathbb Q\times \frac{\mathbb Z}{p\mathbb Z}$, where $p$ is prime
$\mathbb R[x_1,x_2,x_3,\ldots]$
$\mathbb Z$
$\mathbb Z\times \frac{\mathbb Z}{p\mathbb Z}$, $p$ prime
$k^n$
$M_n(k)$
$p$-adic integers: $\mathbb Z_p$
$T_2(F_2)$
$Z(p^\infty)$: the Prüfer $p$ group
A 2-generated faithful torsion module
Finitely cogenerated, not Artinian
Indecomposable, not uniform module
Interval monoid ring (right regular module)
Uniserial, not endolocal module