Bijective Proofs of Partition Identities of MacMahon, Andrews, and Subbarao

  • Shishuo Fu
  • James Allen Sellers
Keywords: partition, residue classes, bijection, generating function


We revisit a classic partition theorem due to MacMahon that relates partitions with all parts repeated at least once and partitions with parts congruent to $2,3,4,6 \pmod 6$, together with a generalization by Andrews and two others by Subbarao. Then we develop a unified bijective proof for all four theorems involved, and obtain a natural further generalization as a result.

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