A lifting-operator identity determines fermionic two-point functions from one-point functions for KP and BKP tau-functions, yielding closed formulas for the r-spin and BGW models.
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The bilinear fermionic form for KP and BKP hierarchies
A lifting-operator identity determines fermionic two-point functions from one-point functions for KP and BKP tau-functions, yielding closed formulas for the r-spin and BGW models.