#### Volume 3, issue 1 (1999)

 1 J Amorós, F Bogomolov, L Katzarkov, T Pantev, Symplectic Lefschetz fibrations with arbitrary fundamental groups, J. Differential Geom. 54 (2000) 489 MR1823313 2 E Arbarello, M Cornalba, The Picard groups of the moduli spaces of curves, Topology 26 (1987) 153 MR895568 3 M Atiyah, The logarithm of the Dedekind $\eta$–function, Math. Ann. 278 (1987) 335 MR909232 4 M F Atiyah, V K Patodi, I M Singer, Spectral asymmetry and Riemannian geometry I, Math. Proc. Cambridge Philos. Soc. 77 (1975) 43 MR0397797 5 W Barth, C Peters, A Van de Ven, Compact complex surfaces, Ergebnisse der Mathematik und ihrer Grenzgebiete (3) 4, Springer (1984) MR749574 6 J S Birman, Braids, links, and mapping class groups, Annals of Mathematics Studies 82, Princeton University Press (1974) MR0375281 7 K S Brown, Cohomology of groups, Graduate Texts in Mathematics 87, Springer (1982) MR672956 8 K N Chakiris, The monodromy of genus two pencils, PhD thesis, Columbia University (1978) 9 H Endo, A construction of surface bundles over surfaces with non-zero signature, Osaka J. Math. 35 (1998) 915 MR1659565 10 D S Freed, On determinant line bundles, from: "Mathematical aspects of string theory (San Diego, CA, 1986)", Adv. Ser. Math. Phys. 1, World Sci. Publishing (1987) 189 MR915823 11 T Fuller, Genus two Lefschetz fibrations, preprint (1997) 12 R Hartshorne, Algebraic geometry, Graduate Texts in Mathematics 52, Springer (1977) MR0463157 13 Y Matsumoto, Lefschetz fibrations of genus two—a topological approach, from: "Topology and Teichmüller spaces (Katinkulta, 1995)", World Sci. Publ., River Edge, NJ (1996) 123 MR1659687 14 D Mumford, Towards an enumerative geometry of the moduli space of curves, from: "Arithmetic and geometry, Vol. II", Progr. Math. 36, Birkhäuser (1983) 271 MR717614 15 B Ozbagci, Signatures of Lefschetz fibrations, Pacific J. Math. 202 (2002) 99 MR1883972 16 B Siebert, G Tian, On hyperelliptic $C^\infty$-Lefschetz fibrations of four-manifolds, Commun. Contemp. Math. 1 (1999) 255 MR1696101 17 I Smith, Symplectic geometry of Lefschetz fibrations, DPhil thesis, University of Oxford (1998) 18 S Wolpert, On the homology of the moduli space of stable curves, Ann. of Math. $(2)$ 118 (1983) 491 MR727702 19 O Zariski, Algebraic surfaces, Ergebnisse der Mathematik und ihrer Grenzgebiete 61, Springer (1971) MR0469915