Basic hypergeometric series

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imported>Pythagoras0님의 2017년 12월 7일 (목) 22:57 판 (→‎하위페이지)
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theory

 

 

q-Pochhammer

  • partition generating function
  1. Series[1/QPochhammer[q, q], {q, 0, 100}]
  • Dedekind eta
  1. Series[QPochhammer[q, q], {q, 0, 100}]

 

 

q-hypergeometric series

\(\sum_{n\geq 0}^{\infty}\frac{q^{n^2/2}}{(q)_n}\sim \exp(\frac{\pi^2}{12t}-\frac{t}{48})\)

 

  1. f[q_] := QHypergeometricPFQ[{}, {}, q, -q^(1/2)]
    g[q_] := Exp[-(Pi^2/(12 Log[q])) + Log[q]/48]
    Table[N[f[1 - 1/10^(i)]/g[1 - 1/10^(i)], 50], {i, 1, 5}] // TableForm

 

 

KdV Hirota polynomials

  • Series[1/QPochhammer[q, q^2] - 1/QPochhammer[q^2, q^4], {q, 0, 100}]
  • KdV equation

 

 

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Wenchang Chu and Chenying Wang]

 

 

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