On the number of limit cycles which appear by perturbation of Hamiltonian two-saddle cycles of planar vector fields Lubomir Gavrilov OriginalPaper 23 February 2011 Pages: 1 - 23
A multidimensional real Schwarz Lemma for the Hilbert metric Leonardo Mora OriginalPaper 23 February 2011 Pages: 25 - 43
A quasianalyticity property for monogenic solutions of small divisor problems Stefano MarmiDavid Sauzin OriginalPaper 23 February 2011 Pages: 45 - 74
On normal forms of singular Levi-flat real analytic hypersurfaces Arturo Fernández-Pérez OriginalPaper 23 February 2011 Pages: 75 - 85
Stable Gauss maps from a global viewpoint C. Mendes de JesusS. M. MoraesM. C. Romero-Fuster OriginalPaper 23 February 2011 Pages: 87 - 103
On Riemannian manifolds foliated by (n − 1)-umbilical hypersurfaces A. Gervasio ColaresOscar Palmas OriginalPaper 23 February 2011 Pages: 105 - 130
The duality of conformally flat manifolds Huili LiuMasaaki UmeharaKotaro Yamada OriginalPaper 23 February 2011 Pages: 131 - 152
On the location of roots of Steiner polynomials Martin HenkMaría A. Hernández Cifre OriginalPaper 23 February 2011 Pages: 153 - 170