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\title{Hamiltonian Mechanics unter besonderer Ber\"ucksichtigung der
h\"ohreren Lehranstalten}
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\titlerunning{Hamiltonian Mechanics}  % abbreviated title (for running head)
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\author{Ivar Ekeland\inst{1} \and Roger Temam\inst{2}
Jeffrey Dean \and David Grove \and Craig Chambers \and Kim~B.~Bruce \and
Elsa Bertino}
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\authorrunning{Ivar Ekeland et al.}   % abbreviated author list (for running head)
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\tocauthor{Ivar Ekeland, Roger Temam, Jeffrey Dean, David Grove, 
Craig Chambers, Kim B. Bruce, Elisa Bertino}
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\institute{Princeton University, Princeton NJ 08544, USA,\\
\email{I.Ekeland@princeton.edu},\\ WWW home page:
\texttt{http://users/\homedir iekeland/web/welcome.html}
\and
Universit\'{e} de Paris-Sud,
Laboratoire d'Analyse Num\'{e}rique, B\^{a}timent 425,\\
F-91405 Orsay Cedex, France}

\maketitle              % typeset the title of the contribution

{\noindent\textbf{Abstract.}}
The abstract should summarize the contents of your short communication and should be between one and five pages. You can use formulas
\[
  N(x) = H(x) - \frac{1}{2} \left(A_{\infty} x,x\right)
\]
and you can also cite some papers \cite{clar:eke}. This template is based on the file \texttt{llncs.dem} from Springer, which comes with the file \texttt{llncs2e.zip} available at
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Please download the latter and see 
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\texttt{http://www.springer.de/comp/lncs/authors.html} 
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for more details on the Springer LNCS style.

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\begin{thebibliography}{5}
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\bibitem {clar:eke}
Clarke, F., Ekeland, I.:
Nonlinear oscillations and
boundary-value problems for Hamiltonian systems.
Arch. Rat. Mech. Anal. {\bf 78} (1982) 315--333
\end{thebibliography}

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