Women in Numbers Europe IV

​Ramla AbdellatifLAMFAUniversité de PicardieJules Verne33, rue Saint-Leu80000 Amiens Cedex 1France Valentijn KaremakerMathematical Institute Utrecht University P.O. Box 80010 3508 TA Utrecht The Netherlands Lejla SmajlovicDepartment of MathematicsUniversity of SarajevoZmaja od Bosne 33-3571000 SarajevoBosnia and Herzegovina

On homomorphic encryption using abelian groups: Classical security analysis.- A survey of local-global methods for Hilbert's Tenth Problem.- Sums of proper divisors with missing digits.- Rational approximations, multidimensional continued fractions and lattice reduction.- Campana points on diagonal hypersurfaces.- Power values of power sums: A survey.- Transcendence measure of e^{1/n}.- Real quadratic singular moduli and p-adic families of modular forms.- Elliptic fibrations and involutions on K3 surfaces.- Mirror constructions for K3 surfaces from bimodal singularities.- Variants of the Li-type criteria for the Generalized Riemann hypothesis.- A note on the non-vanishing of Poincaré series.