The Ramanujan Journal

, Volume 23, Issue 1, pp 17-44

First online:

Eisenstein series and Ramanujan-type series for 1/π

  • Nayandeep Deka BaruahAffiliated withDepartment of Mathematical Sciences, Tezpur University
  • , Bruce C. BerndtAffiliated withDepartment of Mathematics, University of Illinois Email author 

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Using certain representations for Eisenstein series, we uniformly derive several Ramanujan-type series for 1/π.


Eisenstein series Theta-functions Modular equations

Mathematics Subject Classification (2000)

33C05 33E05 11F11 11R29