What is the tensor product of Z/10Z with Z/12Z?
30752
Proof of $(\mathbb{Z}/m\mathbb{Z}) \otimes_\mathbb{Z} (\mathbb{Z} / n \mathbb{Z}) \cong \mathbb{Z}/ \gcd(m,n)\mathbb{Z}$
53266
Show that $R/I\otimes_R R/J\cong R/(I+J)$
74884
Tensor product in dual-space
47824
Calculation of subgroups of $(Z_{12}, +)$
119793
Proving that $D_{12}\cong S_3 \times C_2$
93760
There is an element of order $51$ in the multiplicative group $(Z/103Z)^∗.$
17508
Knowing $|z|$ and $|w|$ (and possibly $z\overline{w}$), what are $|z+w|^2$, $|zw|^2$, $|z-w|^2$, $|z/w|^2$?
1043
Image of $L=\{z\in\Bbb C \mid a\operatorname{Re}(z)+b\operatorname{Im}(z)+c=0; a^2+b^2\neq0; a,b,c\in \Bbb R \}$ under the function $e^z$
77799
Determine the set of units $(\Bbb Z/n\Bbb Z)^\times$ for different values of $n$
140144
Can you find an element of order 10 in $\mathbb{Z}_{31}^{*}$
52517
Construction of $\mathbb{CP}^2$ from $S^2\times S^2$
30404
Is $\mathbb{Z}/3\otimes \mathbb{Z}[1/2]=\mathbb{Z}/3$?
43987
Decomposition of the tensor product $\mathbb{Q}_p \otimes_{\mathbb{Q}} \mathbb{Q}[i]$ into a product of fields
85193
direct product commutes with tensor product?
32278
Adjoining 1/2 to $\Bbb{Z}/12\Bbb{Z}$
33455
Question on group homomorphisms involving the standard Z-basis
83713
If $z,w\in \mathbb{C}^{\times}$, then $|z+w|=|z|+|w|$ iff $w=tz$ for some $t\gt 0$