%0 Unpublished work %T Salem-Schaeffer measures of dynamical system origin %+ Institut de Mathématiques de Marseille (I2M) %A Prikhodko, Alexander %Z A*Midex %8 2014-04-27 %D 2014 %K Rajchman measure %K Salem measure %K ergodic theory %K spetral invariants %K mixing %Z Mathematics [math]/Classical Analysis and ODEs [math.CA] %Z Mathematics [math]/Dynamical Systems [math.DS]Preprints, Working Papers, ... %X A class of measure preserving actions of the groups $Z^d$ and $R^d$ is constructed possessing the following properties: the spectrum of the action is simple and for a dense set of functions $f$ the spectral measures $\sigma_f$ have an extremal rate of the Fourier coefficient decay: $\hat\sigma_f(n) = O(|n|^{-d/2+\varepsilon})$ for any $\varepsilon > 0$, where the exponent $-d/2$ is the minimal possible for singular mesures on the torus $T^d$. %G English %Z Théorie ergodique dans ses applications aux processus stochastiques %Z théorie des représentations et théorie de Teichmüller %2 https://hal.science/hal-00984141/document %2 https://hal.science/hal-00984141/file/NoteOnIcebergActionsE.pdf %L hal-00984141 %U https://hal.science/hal-00984141 %~ CNRS %~ UNIV-AMU %~ EC-MARSEILLE %~ I2M %~ I2M-2014- %~ TDS-MACS %~ AMIDEX %~ ANR