2005
DOI: 10.1016/j.jalgebra.2005.05.025
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Higher Koszul algebras and A-infinity algebras

Abstract: We study a class of A ∞ -algebras, named (2, p)-algebras, which is related to the class of p-homogeneous algebras, especially to the class of p-Koszul algebras. A general method to construct (2, p)-algebras is given. Koszul dual of a connected graded algebra is defined in terms of A ∞ -algebra. It is proved that a p-homogeneous algebra A is p-Koszul if and only if the Koszul dual E(A) is a reduced (2, p)-algebra and generated by E 1 (A). The (2, p)-algebra structure of the Koszul dual E(A) of a p-Koszul algebr… Show more

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Cited by 50 publications
(57 citation statements)
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“…The multiplications {m n } n 3 are called the higher multiplications of E. An augmented A ∞ -algebra E is an A ∞ -algebra satisfying the following conditions, where for the notions of A ∞ -morphism and strict A ∞ -morphism, we refer to [7] and [12] for the details:…”
Section: The a ∞ -Structure On The Koszul Dual E(a)mentioning
confidence: 99%
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“…The multiplications {m n } n 3 are called the higher multiplications of E. An augmented A ∞ -algebra E is an A ∞ -algebra satisfying the following conditions, where for the notions of A ∞ -morphism and strict A ∞ -morphism, we refer to [7] and [12] for the details:…”
Section: The a ∞ -Structure On The Koszul Dual E(a)mentioning
confidence: 99%
“…From [7,9], we know that T (J * ) is an augmented differential bigraded algebra and E(A) = Ext * A (F, F) ∼ = H(T (J * )). By Lemma 3.3, the Koszul dual E(A) of A is an augmented bigraded A ∞ -algebra up to a quasi-isomorphism.…”
Section: The a ∞ -Structure On The Koszul Dual E(a)mentioning
confidence: 99%
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“…Многие авторы предпочитают называть их " -кошулевыми", а не "неквадратичными кошулевыми" (см. [7], [8]), где 2 -фик-сированное целое число. В 2002 г. авторы работы [9], первоначальной целью которых было описание периодических резольвент тривиальных расширений алгебр путей колчана Дынкина в двудольной интерпретации, ввели понятие почти кошулевой алгебры; исследуя условия конечной порожденности Ext-алгебр градуированных алгебр, Грин и Маркос в 2005 г. определили класс -кошулевых алгебр (см.…”
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