How to succinctly express $A_k{\times}A_{k-1}{\times}A_{k-2}{\times} ... {\times}A_1$
87999
Product Notation for Multiplication in Reverse Order
81238
Is $O(2)$ really not isomorphic to $SO(2)\times \{-1,1\}$?
39953
$a\mid b,\ c\mid d\,\Rightarrow\ ac\mid bd $ $\ \, \bf\small [Divisibility\ Product\ Rule]$
42213
Computing $\text{Gal}(\mathbb{Q}^{ab}/\mathbb{Q})$
122312
How can I compute $\mathrm{Aut}(\mathbb{Z}/4\mathbb{Z}\times\mathbb{Z}/6\mathbb{Z})$?
140440
Proving $(A\times C)\cup(B\times D)\subseteq(A\cup B)\times(C\cup D)$
45469
If $a_k = \operatorname{rank}(S^k)$, deduce that $a_k - a_{k+1} \geq a_{k+1} - a_{k+2}$
88334
Why is the expression $\underbrace{n\cdot n\cdot \ldots n}_{k \text{ times}}$ bad?
4676
Notation for repeated composition of functions
4555
How to write permutations as product of disjoint cycles and transpositions
55031
Show any matrix $A_{n\times n}$ can be written as sum of two nonsingular matrices
67772
How to find $k$ such that $(\mathbb{Z} \times \mathbb{Z})/ \langle (m,n)\rangle \cong \mathbb{Z} \times \mathbb{Z}_k$
75604
Proof that $\partial(A\times B) = ((\partial A)\times B)\cup (A\times(\partial B))$
61103
Prove that $\mathbb{|Q| = |Q\times Q|}$
19285
simplifying $ (h^2_2-h^2_3)\over ({1\over h_3})-({1\over h_2})$
9140
Show $\operatorname{Aut}(C_2 \times C_2)$ is isomorphic to $S_3=D_6$
31391
bijection between $\mathbb{N}$ and $\mathbb{N}\times\mathbb{N}$