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Paper detail

Superized Troesch complexes and cohomology for strict polynomial superfunctors

We adapt a construction due to Troesch to the category of strict polynomial superfunctors in order to construct complexes of injective objects whose cohomology is isomorphic to Frobenius twists of the (super)symmetric power functors. We apply these complexes to construct injective resolutions of the even and odd Frobenius twist functors, to investigate the structure of the Yoneda algebra of the Frobenius twist functor, and to compute other extension groups between strict polynomial superfunctors.

preprint2021arXivOpen access
Christopher M. DrupieskiJonathan R. Kujawa
math.RTmath.KT
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Christopher M. DrupieskiJonathan R. Kujawa

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