Sarah Witherspoon
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Title: Support varieties for Hopf algebras
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Title: Hochschild cohomology as a graded Lie algebra
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Title: Poincaré-Birkhoff-Witt Theorems
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Title: Poincare-Birkhoff-Witt Theorems and group actions in positive characteristic
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Title: From groups to Hopf algebras: Cohomology and varieties for modules
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Title: Hopf Algebras II
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Title: Hopf Algebras I
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