Young's Inequality

In mathematics, Young's inequality states that if a and b are two positive real numbers and p and q also with 1/p + 1/q = 1 then we have
ab \le \frac{a^p}{p} + \frac{b^q}{q}.
Proof: Because log is a concave function, we have
\log(ab) = \log(a)+\log(b) = \log(a^{p/p}) + \log(b^{q/q}) = \frac{\log(a^p)}{p} + \frac{\log(b^q)}{q} \le \log\left(\frac{a^p}{p} + \frac{b^q}{q}\right).
Because the map exp : R → R+ is strictly monotonically increasing, it follows that ab ≤ ap/p + bq/q.

Usage

Young's inequality is used in the proof of the Hlder inequality.

 

<< PreviousWord BrowserNext >>
fritz mannheimer
vf 19 excalibur
souter code
paya
ideographic rapporteur group
nynetjer
kosovo police service
joseph: king of dreams
frank kolb
benefon
fort rosecrans national cemetery
kolokol 1
howard ahmanson
vebjrn sand da vinci project
michel massot
azo (jurist)
yana (disambiguation)
neopets: the darkest faerie
howard ahmanson, jr
johnson & wales university
list of international schools in hong kong
carole radziwill
swan neck
deewana
thin slicing
raju ban gaya gentleman
spreading and choking
sir frederick morton eden
list of emirs of harar
yes boss
`abd allah ii ibn `ali `abd ash shakur
the herbs
jon savage
wikiwikity
muhammad ibn `ali `abd ash shakur
komatsu d 475
edwin adams cotto
3 esdras
4 esdras
medial (linguistics)
luma (plant)
electronic content guide
detailed histories of hendon
i was a communist for the fbi