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Ginzburg--Kapranov criterion for Koszulness of operads, and its limitations

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Vladimir Dotsenko
Trinity College Dublin
Fri, 2016-03-04 14:00 - 15:00
MPIM Lecture Hall

In their seminal paper on operadic Koszul duality, Ginzburg
and Kapranov established a remarkable functional equation that holds
whenever an operad is Koszul. I shall discuss some examples
demonstrating that non-Koszul operads do not have to violate that
criterion, in either of two possible ("weak" or "strong") senses.

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