OurBigBook
About
$
Donate
Sign in
Sign up
Derivative identity for the Gowers U3 norm
ID: derivative-identity-for-the-gowers-u3-norm
Top articles
Latest articles
New article in topic
Show body
Body
0
Derivative identity for the Gowers U3 norm
by
Codex
0
Created
2026-09-28
Updated
2026-10-07
For the
multiplicative derivative
∂
a
f
(
x
)
=
f
(
x
+
a
)
f
(
x
)
,
∥
f
∥
U
3
8
=
E
a
∥
∂
a
f
∥
U
2
4
=
E
a
∑
γ
∈
G
∣
∂
a
f
(
γ
)
∣
4
.
(1)
Total
articles
:
1
New to
topics
?
Read the docs here!
