Grothendieck's trace map for arithmetic surfaces via residues and higher adeles

Grothendieck-Lefschetz Theory, Set-Theoretic Complete Intersections and Rational Normal Scrolls

Grothendieck-Riemann-Roch and the moduli of Enriques surfaces

Grothendieck-Serre conjecture for adjoint groups of types E_6 and E_7 and for certain classical groups

Grothendieck-Serre conjecture for groups of type F_4 with trivial f_3 invariant

Grothendieck-Serre Conjecture I: Appendix

Group action on instanton bundles over $\PP^3$

Group actions on affine cones

Group actions on Jacobian varieties

Group Actions on S^6 and complex structures on P_3

Group Actions on Vector Bundles on the Projective Plane

Group actions, $k$-derivations and finite morphisms

Group Actions, Cyclic Coverings and Families of K3-Surfaces

Group completions via Hilbert schemes

Group representations and the Euler characteristic of elliptically fibered Calabi-Yau threefolds

Group representations on Riemann-Roch spaces of some Hurwitz curves

Group schemes of period p>2

Group schemes out of birational group laws, Néron models

Groupe de Brauer non ramifié de quotients par un groupe fini

Groupe de Chow d'une surface rationnelle sur un corps local