Article:Alg-geom/9707008/unidentified-references

  

 R. Friedman, {\it On threefolds with trivial canonical bundle.} In: {\it Complex geometry and Lie theory (Sundance, UT 1989)}, pp.\ 103--154. Proc. Symp. Pure Math. {\bf 53}, AMS Providence R.I. 1991.  

 K. Fukaya and K. Ono, {\it Arnold conjecture and Gromov--Witten invariants}, Kyoto Univ. preprint (1996).  

 W. Fulton, {\it Intersection Theory.} Springer-Verlag, Berlin Heidelberg New York Tokyo, 1984.  

 O.J. Ganor, D.R. Morrison and N. Seiberg, {\it Branes, Calabi--Yau spaces, and toroidal compactifications of the $N=1$ six-dimensional $E_8$ theory}, Nuclear Phys. B {\bf 487} (1996) 93--140.  

 S. Katz, D.R. Morrison and M.R. Plesser, {\it Enhanced gauge symmetry in type II string theory}, Nuclear Phys. B {\bf 477} (1996) 105--140.  

 Y. Kawamata, {\it Crepant blowing-up of 3-dimensional canonical singularities and its application to degenerations of surfaces}, Ann. of Math. {\bf 127} (1988) 93--163.   

 J. Koll\'ar, {\it Flips, Flops, Minimal Models, etc.},  Proc. Conf., Cambridge/MA (USA) 1990, Surv. in Diff. Geom., Suppl. J. Diff. Geom. {\bf 1} (1991) 113--199.   

 J. Koll\'ar and S Mori, {\it Classification of three-dimensional flips}, Jour. Amer. Math. Soc. {\bf 5} (1992) 533--703.   


 D. McDuff and D. Salamon, {\it J-holomorphic curves and quantum cohomology}, Univ. Lecture Series, Vol. 6, Amer. Math. Soc. 1994.  

 Y. Ruan, {\it Symplectic Topology and extremal rays},  Geometric and Functional Analysis {\bf 3} (1993) 395--430.  

 Y. Ruan, {\it Topological Sigma Model and Donaldson type invariants in Gromov Theory}, Duke J. Math. {\bf 83} (1996) 461--500.  


 D. Sullivan, {\it Infinitesimal Computations in Topology}, Publ. Math. Inst. Hautes Etud. Sci. {\bf 47} (1977) 269--331.  

 C. Voisin, {\it A mathematical proof of a formula of Aspinwall and Morrison}, Compositio Math. {\bf 104} (1996) 135--151.  

 C.T.C.~Wall, {\it Classification problems in Differential Topology V. On certain 6-manifolds}, Invent. math. {\bf 1} (1966) 355--374.  

 P.M.H. Wilson, {\it The K\"ahler Cone on Calabi--Yau threefolds}, Invent. math. 107 (1992) 561--583. {\it Erratum},  Invent. math. {\bf 114} (1993) 231--233.  

 P.M.H. Wilson, {\it Symplectic Deformations of Calabi--Yau threefolds}, J. Diff. Geom. {\bf 45} (1997) 611--637.