91
Kachru, interview with author, August 19, 2008.
92
Paul Aspinwall (Duke University), interview with author, August 14, 2008.
93
Wolfgang Lerche, Cumrun Vafa, and Nicholas Warner, “Chiral Rings in N=2 Superconformal Theories,” Nuclear Physics В 324 (1989): 427–474.
94
В. R. Greene, C. Vafa, N. P. Warner, “Calabi-Yau Manifolds and Renormalization Group Flows,” Nuclear Physics В 324 (1989): 371–390.
95
Brian Greene (Columbia University), interview with author, March 11,2010.
96
Ibid.
97
Doron Gepner, interview with author, August 19, 2008.
98
B. R. Greene and M. R. Plesser, “Duality in Calabi-Yau Moduli Space,” Nuclear Physics В 338 (1990): 15–37.
99
Brian Greene, The Elegant Universe (New York: Vintage Books, 2000), p. 258.
100
Plesser, interview with author, September 19, 2008.
101
Greene, interview with author, March 11, 2010.
102
Greene, The Elegant Universe, p. 259.
103
Cumrun Vafa (Harvard University), interview with author, September 19, 2008.
104
Greene, interview with author, March 13, 2010.
105
Mark Gross (UCSD), interview with author, October 31, 2008.
106
Andreas Gathmann (University of Kaiserslautern), interview with author, August 25, 2008.
107
David Hilbert, “Mathematical Problems,” lecture, International Congress of Mathematicians, Paris, 1900, (html version prepared by David Joyce, Mathematics Department, Clark University, Worcester, Mass.).