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Dispersionless Hirota Equations of Two-Component BKP Hierarchy
The BKP hierarchy has a two-component analogue (the 2-BKP hierarchy).Dispersionless limit of this multi-component hierarchy is considered on the level of the τ -function.The so called dispersionless Hirota equations are obtained from the Hirota equations of the τ -function.These dispersionless Hirota equations turn out to be equivalent to a system …