DLMF:34.5.E18 (Q9759): Difference between revisions

From DRMF
Jump to navigation Jump to search
Created a new Item: Wikidata Toolkit example test item creation
 
Changed an Item: Add constraint
Property / Symbols used
 
Property / Symbols used: Q10768 / rank
 
Normal rank
Property / Symbols used: Q10768 / qualifier
 
Defining formula:

δ j , k Kronecker 𝑗 𝑘 {\displaystyle{\displaystyle\delta_{\NVar{j},\NVar{k}}}}

\Kroneckerdelta{\NVar{j}}{\NVar{k}}
Property / Symbols used: Q10768 / qualifier
 
xml-id: introduction.Sx4.p1.t1.r4.m5aadec

Revision as of 14:45, 2 January 2020

No description defined
Language Label Description Also known as
English
DLMF:34.5.E18
No description defined

    Statements

    j ( - 1 ) j 1 + j 2 + j ( 2 j + 1 ) 6 j j 1 j 2 j j 2 j 1 j = ( 2 j 1 + 1 ) ( 2 j 2 + 1 ) δ j , 0 , subscript 𝑗 superscript 1 subscript 𝑗 1 subscript 𝑗 2 𝑗 2 𝑗 1 sixj subscript 𝑗 1 subscript 𝑗 2 𝑗 subscript 𝑗 2 subscript 𝑗 1 superscript 𝑗 2 subscript 𝑗 1 1 2 subscript 𝑗 2 1 Kronecker superscript 𝑗 0 {\displaystyle{\displaystyle\sum_{j}(-1)^{j_{1}+j_{2}+j}(2j+1)\mathit{6j}{j_{1% }}{j_{2}}{j}{j_{2}}{j_{1}}{j^{\prime}}=\sqrt{(2j_{1}+1)(2j_{2}+1)}\,\delta_{j^% {\prime},0},}}
    0 references
    DLMF:34.5.E18
    0 references
    δ j , k Kronecker 𝑗 𝑘 {\displaystyle{\displaystyle\delta_{\NVar{j},\NVar{k}}}}
    introduction.Sx4.p1.t1.r4.m5aadec
    0 references