#### Volume 2, issue 1 (2002)

 1 D Auckly, The Thurston norm and three-dimensional Seiberg–Witten theory, Osaka J. Math. 33 (1996) 737 MR1424683 2 R H Fox, Free differential calculus II: The isomorphism problem of groups, Ann. of Math. $(2)$ 59 (1954) 196 MR0062125 3 P B Kronheimer, Minimal genus in $S^1\times M^3$, Invent. Math. 135 (1999) 45 MR1664695 4 P B Kronheimer, T S Mrowka, The genus of embedded surfaces in the projective plane, Math. Res. Lett. 1 (1994) 797 MR1306022 5 P B Kronheimer, T S Mrowka, Scalar curvature and the Thurston norm, Math. Res. Lett. 4 (1997) 931 MR1492131 6 C T McMullen, The Alexander polynomial of a 3–manifold and the Thurston norm on cohomology, Ann. Sci. École Norm. Sup. $(4)$ 35 (2002) 153 MR1914929 7 W P Thurston, A norm for the homology of 3–manifolds, Mem. Amer. Math. Soc. 59 (1986) MR823443 8 V Turaev, Torsion invariants of $\mathrm{Spin}^c$–structures on 3–manifolds, Math. Res. Lett. 4 (1997) 679 MR1484699 9 V Turaev, Introduction to combinatorial torsions, Lectures in Mathematics ETH Zürich, Birkhäuser Verlag (2001) MR1809561