Dispersionless bigraded Toda Hierarchy and its additional symmetry
classification
🌊 nlin.SI
keywords
dbthgivesomeadditionalbigradeddipersionlesshierarchysymmetry
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In this paper, we firstly give the definition of dipersionless bigraded Toda hierarchy (dBTH) and introduce some Sato theory on dBTH. Then we define Orlov-Schulman's $\M_L$, $\M_R$ operator and give the additional Block symmetry of dBTH. Meanwhile we give tau function of dBTH and some some related dipersionless bilinear equations.
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