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Abstract: We introduce and study certain deformations of Drinfeld quasi-modular formsby using rigid analytic trivialisations of corresponding Anderson-s t-motives.We show that a sub-algebra of these deformations has a natural graduation bythe group Z^2 x Z-q-1Z and an homogeneous automorphism, and we deduce fromthis and other properties multiplicity estimates.



Author: Federico Pellarin LAMUSE

Source: https://arxiv.org/



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