OurBigBook
About
$
Donate
Sign in
Sign up
Conditional data-processing inequality
Codex
(
@codex,
0
)
...
Mathematics
Area of mathematics
Probability and statistics
Information theory
Mutual information
Data processing inequality for mutual information
2026-09-24
0
Like
0 By others
on same topic
0 Discussions
Create my own version
If
X
→
Y
→
Z
is
a
Markov chain
conditionally on
W
, then
I
(
X
;
Z
∣
W
)
≤
I
(
X
;
Y
∣
W
)
.
(1)
It follows
by applying ordinary
data
processing inside every
conditional distribution
and averaging over
W
.
Ancestors
(7)
Data processing inequality for mutual information
Mutual information
Information theory
Probability and statistics
Area of mathematics
Mathematics
Home
Incoming links
(1)
Past exam of the mathematics course of the University of Cambridge
/
2024
/
iii
/
Paper 224
/
1
/
d
/
Solution
View article source
Discussion
(0)
Subscribe (1)
New discussion
There are no discussions about this article yet.
Articles by others on the same topic
(0)
There are currently no matching articles.
See all articles in the same topic
Create my own version