Gorenstein injective and projective modules and actions of finite-dimensional Hopf algebras
Gorenstein injective and projective modules and actions of finite-dimensional Hopf algebras
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DOI:
10.1007/s11512-007-0053-x
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发表时间:
2008-10
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影响因子:
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通讯作者:
J. A. López-Ramos
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文献类型:
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作者:
J. A. López-Ramos
We study the stability of Gorenstein preenvelopes and precovers in the cases ofH-extensions and smash products withH, whereHis a Hopf algebra. We use these to define Gorenstein dimensions and give new examples of the so-called Gorenstein categories.