Basic hypergeometric series

수학노트
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theory

  • 오일러의 오각수정리(pentagonal number theorem)<math>(1-x)(1-x^2)(1-x^3) \cdots = 1 - x - x^2 + x^5 + x^7 - x^{12} - x^{15} + x^{22} + x^{26} + \cdots</math>
  • 오일러공식<math>\prod_{n=0}^{\infty}(1+zq^n)=\sum_{n\geq 0}\frac{q^{n(n-1)/2}}{(1-q)(1-q^2)\cdots(1-q^n)} z^n</math>



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

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


  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



related items


memo


computational resource

메타데이터

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Spacy 패턴 목록

  • [{'LOWER': 'basic'}, {'LOWER': 'hypergeometric'}, {'LEMMA': 'series'}]
  • [{'LOWER': 'q'}, {'OP': '*'}, {'LOWER': 'hypergeometric'}, {'LEMMA': 'series'}]