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Compactons in Nonlinear Schrödinger Lattices with Strong Nonlinearity Management
Compactons Nonlinear Schrö dinger Lattices Nonlinearity Management
2010/11/10
The existence of compactons in the discrete nonlinear Schr\"odinger equation in the presence of fast periodic time modulations of the nonlinearity is demonstrated. In the averaged DNLS equation the re...
Fast detection of nonlinearity in short and noisy time series
nonlinearity nonstationarity time series
2010/4/1
We introduce a statistical method to detect nonlinearity and nonstationarity in time series, that works even for short sequences and in presence of noise. We test speed and discrimination power of the...