265

Brian Greene, The Elegant Universe (New York: Vintage Books, 2000), p. 210.

266

Andrew Strominger (Harvard University), interview with author, August 1, 2007.

S. Ramanujan, “On Certain Arithmetic Functions,” Transactions of the Cambridge Philosophical Society 22 (1916): 159–184.

Lothar Goettsche, “A Conjectural Generating Function for Numbers of Curves on Surfaces,” November II, 1997, arXiv.org, Cornell University archives, .

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