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    STUDIA MATHEMATICA - Issue no. 3 / 2013  
         
  Article:   A PROOF OF A COVERING CORRESPONDENCE.

Authors:  .
 
       
         
  Abstract:   We show that the isomorphism between the Clifford extensions of two Brauer corresponding blocks of normal subgroups induces a defect group preserving bijection which coincides with the Harris-Knörr correspondence between their covering blocks.
Mathematics Subject Classification (2010): Primary 20C20. Secondary 16W50,16S35.
Keywords: Group algebras, blocks, G-algebras, Brauer construction, group gradedalgebras, defect group.
 
         
     
         
         
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