\begin{thebibliography}{1}

\bibitem{BerGou}
J.~B\'erard and J.-B. Gou\'er\'e.
\newblock {B}runet-{D}errida behavior of branching selection particle systems
  on the line.
\newblock {\em arXiv:0811.2782}, 2008.

\bibitem{BruDer1}
Eric Brunet and Bernard Derrida.
\newblock Shift in the velocity of a front due to a cutoff.
\newblock {\em Phys. Rev. E (3)}, 56(3, part A):2597--2604, 1997.

\bibitem{BruDer2}
{\'E}ric Brunet and Bernard Derrida.
\newblock Microscopic models of traveling wave equations.
\newblock {\em Computer Physics Communications}, 121-122:376--381, 1999.

\bibitem{BruDer3}
{\'E}ric Brunet and Bernard Derrida.
\newblock Effect of microscopic noise on front propagation.
\newblock {\em J. Statist. Phys.}, 103(1-2):269--282, 2001.

\bibitem{DerSim1}
B.~Derrida and D.~Simon.
\newblock The survival probability of a branching random walk in presence of an
  absorbing wall.
\newblock {\em Europhys. Lett. EPL}, 78(6):Art. 60006, 6, 2007.

\bibitem{GanHuShi}
N.~Gantert, Yueyun Hu, and Zhan Shi.
\newblock Asymptotics for the survival probability in a supercritical branching
  random walk.
\newblock {\em arXiv:0811.0262}, 2008.

\bibitem{MueMytQua}
C.~Mueller, L.~Mytnik, and J.~Quastel.
\newblock Small noise asymptotics of traveling waves.
\newblock {\em Markov Process. Related Fields}, 14, 2008.

\bibitem{DerSim2}
Damien Simon and Bernard Derrida.
\newblock Quasi-stationary regime of a branching random walk in presence of an
  absorbing wall.
\newblock {\em J. Stat. Phys.}, 131(2):203--233, 2008.

\end{thebibliography}