Share  Bookmark

 Download from


[1] For a review and references, see L. Dixon, in Superstrings, Unified Theories and Cosmology 1987, eds. G. Furlan et al. (World Scientific, Singapore, 1988).
[2] P. Candelas, G. Horowitz, A. Strominger and E. Witten, Nucl. Phys. B258 (1985) 46.
[3] Y. Kazama and H. Suzuki, Nucl. Phys. B321 (1989) 232; Y.Kazama and H. Suzuki, Phys. Lett. 216B (1989) 112.
[4] C. Vafa and N.P. Warner, Phys. Lett. 218B (1989) 377; E.Martinec, Phys. Lett. B217 (1989) 431.
[5] L. Dixon, J. Harvey, C. Vafa and E. Witten, Nucl. Phys. B261 (1985) 678; L. Dixon, J. Harvey, C. Vafa and E. Witten, Nucl. Phys. B274 (1986) 285.
[6] W. Lerche, C. Vafa and N.P. Warner, Nucl. Phys. B324 (1989) 427.
[7] A. Schellekens and N. Warner, Phys. Lett. 177B (1986) 317; A. Schellekens and N. Warner, Phys. Lett. 181B (1986) 339; K. Pilch, A. Schellekens and N. Warner, Nucl. Phys. B287 (1987) 317.
[8] E. Witten, Comm. Math. Phys. 109 (1987) 525 ; E. Witten, in Elliptic Curves and Modular Forms in Algebraic Topology ed. P. Landwebber, (Springer Verlag 1988).
[9] E. Witten, “On the LandauGinzburg Description of N = 2 minimal models”, IAS preprint IASSNSHEP93/10.
[10] P. Di Francesco and S. Yankielowicz, Nucl. Phys. B409 (1993) 186.