Duality of positive and negative integrable hierarchies via relativistically invariant fields
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DOI: 10.1007/jhep07(2021)058
Abstract: Abstract It is shown that the relativistic invariance plays a key role in the study of integrable systems. Using the relativistically invariant sine-Gordon equation, the Tzitzeica equation, the Toda fields and the second heavenly equation… read more here.
Keywords: duality; hierarchy; formal series; positive negative ... See more keywords
A formal series-based unification of the frequent itemset mining approaches
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DOI: 10.1007/s10115-017-1048-y
Abstract: Over the last two decades, a great deal of work has been devoted to the algorithmic aspects of the frequent itemset (FI) mining problem, leading to a phenomenal number of algorithms and associated implementations, each… read more here.
Keywords: itemset mining; mining; frequent itemset; formal series ... See more keywords