Carter-Payne homomorphisms and Jantzen filtrations
classification
🧮 math.RT
keywords
carter-paynehomomorphismsjantzencasecomposecontainsdifferencesfiltration
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We prove a q-analogue of the Carter-Payne theorem in the case where the differences between the parts of the partitions are sufficiently large. We identify a layer of the Jantzen filtration which contains the image of these Carter-Payne homomorphisms and we show how these homomorphisms compose.
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