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math.QA2007★ 13 cited
OCHA and the swiss-cheese operad
Eduardo Hoefel
In this paper we show that the relation between Kajiura-Stasheff's OCHA and A. Voronov's swiss-cheese operad is analogous to the relation between SH Lie algebras and the little dis…
math.QA2006★ 5 cited
On the coalgebra description of OCHA
Eduardo Hoefel
OCHA is the homotopy algebra of open-closed strings. It can be defined as a sequence of multilinear operations on a pair of DG spaces satisfying certain relations which include the…