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''<img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/m/m065/m065410/m0654102.png" />-tuple series''
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'' $  s $-
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tuple series''
  
 
An expression of the form
 
An expression of the form
  
<table class="eq" style="width:100%;"> <tr><td valign="top" style="width:94%;text-align:center;"><img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/m/m065/m065410/m0654103.png" /></td> </tr></table>
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$$
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\sum _ {m,n \dots p = 1 } ^  \infty  u _ {m, n \dots p }  ,
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$$
  
consisting of the terms from a table <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/m/m065/m065410/m0654104.png" />. Each term of the table is indexed by <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/m/m065/m065410/m0654105.png" /> indices <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/m/m065/m065410/m0654106.png" />, which run independently of each other over the set of natural numbers. The theory of multiple series is analogous to the theory of [[Double series|double series]]. See also [[Absolutely convergent series|Absolutely convergent series]].
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consisting of the terms from a table $  \| u _ {m, n \dots p }  \| $.  
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Each term of the table is indexed by $  s \geq  2 $
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indices m, n \dots p $,
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which run independently of each other over the set of natural numbers. The theory of multiple series is analogous to the theory of [[Double series|double series]]. See also [[Absolutely convergent series|Absolutely convergent series]].
  
 
====References====
 
====References====
 
<table><TR><TD valign="top">[1]</TD> <TD valign="top">  G.M. Fichtenholz,  "Differential und Integralrechnung" , '''2''' , Deutsch. Verlag Wissenschaft.  (1964)</TD></TR></table>
 
<table><TR><TD valign="top">[1]</TD> <TD valign="top">  G.M. Fichtenholz,  "Differential und Integralrechnung" , '''2''' , Deutsch. Verlag Wissenschaft.  (1964)</TD></TR></table>

Latest revision as of 08:02, 6 June 2020


$ s $- tuple series

An expression of the form

$$ \sum _ {m,n \dots p = 1 } ^ \infty u _ {m, n \dots p } , $$

consisting of the terms from a table $ \| u _ {m, n \dots p } \| $. Each term of the table is indexed by $ s \geq 2 $ indices $ m, n \dots p $, which run independently of each other over the set of natural numbers. The theory of multiple series is analogous to the theory of double series. See also Absolutely convergent series.

References

[1] G.M. Fichtenholz, "Differential und Integralrechnung" , 2 , Deutsch. Verlag Wissenschaft. (1964)
How to Cite This Entry:
Multiple series. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Multiple_series&oldid=47933
This article was adapted from an original article by E.G. Sobolevskaya (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article