Show that $G =\langle x, y \space | \space x^2=e=y^2 \rangle$ is infinite
88718
A group is generated by two elements of order $2$ is infinite and non-abelian
118195
How does one prove that $e$ exists?
30996
If $\langle Ta, a\rangle \in \mathbb{R}$ for all $a$ then $T$ is self-adjoint
127047
How to show that $\sum_{i=1}^n | \langle f, f_i\rangle |^2 \leq \Vert f \Vert^2$
147671
Find all ideals of $\mathbb R[x] / \langle x^2-3x+2\rangle$
29445
Trying to prove that $H=\langle a,b:a^{3}=b^{3}=(ab)^{3}=1\rangle$ is a group of infinite order.
147299
Prove that $g(x,y) = \frac{x^3y}{x^2+y^2}$ with $g(0,0)=0$ is continuous
45028
How to show that $\langle a \rangle$ is a subgroup of a group $G$, where $a$ is in center of the group $G$
19729
An infinite dimensional limit
108664
Sufficient and necessary conditions to get an infinite fiber $g^{-1}(w)$
34147
$\|u\|\leq \|u+av\| \Longrightarrow \langle u,v\rangle=0$
68951
Normalization of the overlap $\langle x'|p'\rangle$
128932
Is my expansion of the state $| x \rangle$ correct?
155777
Show that infinite Cartesian product is uncountable
120766
Prove ${y_n}$ is a basis for a Hilbert space $H$.
13371
Show that the Lie algebra generated by x, y with relations $ad(x)^2(y) = ad(y)^5(x) = 0$ is infinite dimensional and construct a basis
122213
Proving that if $\langle Ax,x\rangle =0$ for every $x$, then $A$ is the zero operator