. . "4899414"^^ . . . "In mathematics, quasi-bialgebras are a generalization of bialgebras: they were first defined by the Ukrainian mathematician Vladimir Drinfeld in 1990. A quasi-bialgebra differs from a bialgebra by having coassociativity replaced by an invertible element which controls the non-coassociativity. One of their key properties is that the corresponding category of modules forms a tensor category."@en . . . "En math\u00E9matiques, la structure de quasi-bialg\u00E8bre est une g\u00E9n\u00E9ralisation de la structure de bialg\u00E8bre o\u00F9 la coassociativit\u00E9 est remplac\u00E9e par une condition plus faible. Si H est une quasi-bialg\u00E8bre, alors la cat\u00E9gorie des H-modules est une cat\u00E9gorie mono\u00EFdale."@fr . . . . . . . . . . . . . . . . "8114"^^ . . . . . "Quasi-bialg\u00E8bre"@fr . "Quasi-bialgebra"@en . . . . . . . . . . "1065590193"^^ . . . "In mathematics, quasi-bialgebras are a generalization of bialgebras: they were first defined by the Ukrainian mathematician Vladimir Drinfeld in 1990. A quasi-bialgebra differs from a bialgebra by having coassociativity replaced by an invertible element which controls the non-coassociativity. One of their key properties is that the corresponding category of modules forms a tensor category."@en . . . . . . . . . . . . . "En math\u00E9matiques, la structure de quasi-bialg\u00E8bre est une g\u00E9n\u00E9ralisation de la structure de bialg\u00E8bre o\u00F9 la coassociativit\u00E9 est remplac\u00E9e par une condition plus faible. Si H est une quasi-bialg\u00E8bre, alors la cat\u00E9gorie des H-modules est une cat\u00E9gorie mono\u00EFdale."@fr . .