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In the context of the geometrical analysis of weakly non Gaussian CMB maps, the 2D differential extrema counts as functions of the excursion set threshold is derived from the full moments expansion of...
Non Gaussian extrema counts for CMB maps
non Gaussian extrema counts CMB maps Cosmology and Extragalactic Astrophysics
2011/9/30
Abstract: In the context of the geometrical analysis of weakly non Gaussian CMB maps, the 2D differential extrema counts as functions of the excursion set threshold is derived from the full moments ex...
Wiener-Hopf factorization and distribution of extrema for a family of Lévy processes
Wiener-Hopf factorization distribution extrema
2010/11/12
In this paper we introduce a ten-parameter family of L\'{e}vy processes for which we obtain Wiener-Hopf factors and distribution of the supremum process in semi-explicit form. This family allows an a...
Influences of Topography on the Modeling of Abyssal Water Masses. Part II: Spurious Extrema
Topography Abyssal Water Masses Spurious Extrema
2008/7/23
Unphysical extrema are found in ocean simulations employing space-centered advection even when horizontal mixing coefficients are sufficient to suppress checkerboard behavior. They are mostly found as...
Extensions of the Extrema Bounds for the Pomeron Intercept to Meson-Proton, Gamma-Proton and Gamma-Gamma Scattering
the Extrema Bounds the Pomeron Intercept Meson-Proton Gamma-Proton Gamma-Gamma Scattering
2010/10/19
Making use of the extrema bounds for the soft pomeron intercept, recently determined by fits to pp and ¹pp data (from both accelerator and cosmic-ray experiments), we investigate the total cross ...