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<p>We present a formula for the connected <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(n\)</EquationSource> <EquationSource Format="MATHML"><math> <mi>n</mi> </math></EquationSource> </InlineEquation>-point functions of a tau-function of the BKP hierarchy by embedding the BKP hierarchy into the KP hierarchy. This formula differs from that given by Wang and Yang [20]. We prove that these two formulae are equivalent.</p>

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A formula for connected bosonic N-point functions for BKP hierarchy

  • 期刊论文

  • 发表日期：

    2026年7月14日

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  • Xuhui Zhang,
  • Jian Zhou

摘要

We present a formula for the connected \(n\) n -point functions of a tau-function of the BKP hierarchy by embedding the BKP hierarchy into the KP hierarchy. This formula differs from that given by Wang and Yang [20]. We prove that these two formulae are equivalent.