Browsing Provost/Chief Academic Officers (RIT) by Author "Abrams, Gene"

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    • The Isomorphism problem for incidence rings 

      Abrams, Gene; Haefner, Jeremy; Del Rio, Angel (University of California, 1999)
      Let P and P’ be finite preordered sets, and let R be a ring for which the number of nonzero summands in a direct decomposition of the regular module RR is bounded. We show that if the incidence rings I(P;R) and I(P’;R) ...