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Creators/Authors contains: "Wang, Jiuya"

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  1. ; ; ; ; ; ; ; (, Discrete analysis)
    Accepted Manuscript Full Text Available
  2. ; ; ; ; ; ; ; (, Discrete analysis)
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  3. ; (, La Matematica)
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  4. ; ; ; ; (, Forum of Mathematics, Sigma)
    Abstract Given a profinite group G of finite p -cohomological dimension and a pro- p quotient H of G by a closed normal subgroup N , we study the filtration on the Iwasawa cohomology of N by powers of the augmentation ideal in the group algebra of H . We show that the graded pieces are related to the cohomology of G via analogues of Bockstein maps for the powers of the augmentation ideal. For certain groups H , we relate the values of these generalized Bockstein maps to Massey products relative to a restricted class of defining systems depending on H . We apply our study to prove lower bounds on the p -ranks of class groups of certain nonabelian extensions of $$\mathbb {Q}$$ and to give a new proof of the vanishing of Massey triple products in Galois cohomology. 
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  5. ; ; ; ; ; ; ; (, Journal of Functional Analysis)
    null (Ed.)
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