Displaying similar documents to “Extensions between simple modules for Frobenius kernels.”

On injective modules.

Kiiti Morita, Hiroyuki Tachikawa, Yutaka Kawada (1957/58)

Mathematische Zeitschrift

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Rigidity of generalized Verma modules

Oleksandr Khomenko, Volodymyr Mazorchuk (2002)

Colloquium Mathematicae

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We prove that generalized Verma modules induced from generic Gelfand-Zetlin modules, and generalized Verma modules associated with Enright-complete modules, are rigid. Their Loewy lengths and quotients of the unique Loewy filtrations are calculated for the regular block of the corresponding category 𝒪(𝔭,Λ).