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The Calogero--Bogoyavlenskii--Schiff breaking soliton equation: recursion operators and higher symmetries
We find two one-parametric families of recursion operators and use them to
construct higher symmetries for the Calogero--Bogoyavlenskii--Schiff breaking
soliton equation. Then we prove that the recursion operators from the first
family pair-wise commute with respect to the Nijenhuis bracket (are
compatible)
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