Cranks-really, the final problem

Bruce C. Berndt, Heng Huat Chan, Song Heng Chan, Wen Chin Liaw

Research output: Contribution to journalArticlepeer-review


A survey of Ramanujan's work on cranks in his lost notebook is given. We give evidence that Ramanujan was concentrating on cranks when he died, that is to say, the final problem on which Ramanujan worked was cranks-not mock theta functions.

Original languageEnglish (US)
Pages (from-to)3-15
Number of pages13
JournalRamanujan Journal
Issue number1
StatePublished - Dec 2010


  • Crank
  • Partitions
  • Ramanujan's lost notebook
  • Rank
  • Theta functions

ASJC Scopus subject areas

  • Algebra and Number Theory


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