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Received: 2 December 1996
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Coleman, R., Edixhoven, B. On the semi-simplicity of the \(U_p\)-operator on modular forms. Math Ann 310, 119–127 (1998). https://doi.org/10.1007/s002080050140
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- Mathematics Subject Classification (1991): 11F11, 14G20, 14G40