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AAECC
1993
Springer
170views Algorithms» more  AAECC 1993»
15 years 28 days ago
Exponential Sums as Discrete Fourier Transform with Invariant Phase Functions
We give estimates for exponential sums over finite fields in several variables. We study the case where the phase is either quadratic or more generally invariant under the action ...
Gilles Lachaud
AAECC
1993
Springer
94views Algorithms» more  AAECC 1993»
15 years 28 days ago
Relations Among Lie Formal Series and Construction of Symplectic Integrators
Symplectic integrators are numerical integration schemes for hamiltonian systems. The integration step is an explicit symplectic map. We find symplectic integrators using universa...
Pierre-Vincent Koseleff