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math.KT2014
Affine strict polynomial functors and formality
Marcin Chałupnik
We introduce the notion of affine strict polynomial functor. We show how this concept helps to understand homological behavior of the operation of Frobenius twist in the category o…
math.KT2014
Poincaré duality for Ext-groups between strict polynomial fucnctors
Marcin Chałupnik
We study relation between left and right adjoint functors to the precomposition functor. As a cosnequence we obtain various dualities in the Ext-groups in the category of strict po…