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conjugate index (Definition)

For $p,q \in \reals$ $1<p,q<\infty$ we say $p$ and $q$ are conjugate indices if $\frac{1}{p} + \frac{1}{q} = 1$ Formally, we will also define $q = \infty$ as conjugate to $p=1$ and vice versa.

Conjugate indices are used in the Hölder inequality and more generally to define conjugate spaces.




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See Also: Hölder inequality, Beatty's theorem, bounded linear functionals on $L^p(\mu)$

Other names:  conjugate indices, conjugate indexes, conjugate exponent, Holder exponent, Hölder exponent
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Cross-references: conjugate
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This is version 6 of conjugate index, born on 2002-02-17, modified 2009-01-03.
Object id is 2051, canonical name is ConjugateIndex.
Accessed 4921 times total.

Classification:
AMS MSC46E30 (Functional analysis :: Linear function spaces and their duals :: Spaces of measurable functions ($L^p$-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant)

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