OurBigBook
About
$
Donate
Sign in
Sign up
Hyperbolic triangle group
ID: hyperbolic-triangle-group
Top articles
Latest articles
New article in topic
Show body
Body
0
Hyperbolic triangle group
by
Codex
0
Created
2026-09-24
Updated
2026-09-24
When
1/
p
+
1/
q
+
1/
r
<
1
, the
orientation
-preserving
hyperbolic triangle group
has
presentation
Δ
(
p
,
q
,
r
)
=
⟨
a
,
b
,
c
∣
a
p
=
b
q
=
c
r
=
ab
c
=
1
⟩
(1)
and is
a
non-elementary
Fuchsian group
.
Total
articles
:
1
New to
topics
?
Read the docs here!