Describing F_2 through a finite sum of gluon ladders

Electroproduction in deep inelastic scattering at HERA is studied in a model considering a finite sum of gluon ladders, associated with a truncation of the BFKL series. The approach contains the bare two gluon exchange and both one and two rungs contributions and the resulting structure function does not violate the asymptotic behavior stated by the Froissart bound. The model is fitted to the data on the inclusive structure function F_2(x,Q^2) in the region x<0.025 and 0.045<Q^2