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- Matthias R. Becker, Molly Troxel, +97 authors Alistair R. Walker
- 2016

M. R. Becker, 2, ∗ M. A. Troxel, N. MacCrann, E. Krause, T. F. Eifler, 5 O. Friedrich, 7 A. Nicola, A. Refregier, A. Amara, D. Bacon, G. M. Bernstein, C. Bonnett, S. L. Bridle, M. T. Busha, 2 C. Chang, S. Dodelson, 12 B. Erickson, A. E. Evrard, 13 J. Frieman, 12 E. Gaztanaga, D. Gruen, 7 W. Hartley, B. Jain, M. Jarvis, T. Kacprzak, D. Kirk, A. Kravtsov, B.… (More)

- John A. Mackenzie, A. Nicola
- SIAM J. Scientific Computing
- 2007

where x = (x1, . . . , xd) ∈ IR , t > 0. HJ equations arise in many practical areas such as differential games, mathematical finance, image enhancement and front propagation. It is well known that solutions of (1) are Lipschitz continuous but derivatives can become discontinuous even if the initial data is smooth. There is a close relation between HJ… (More)

- Matthias R. Becker, Molly Troxel, +76 authors Kevin Reil
- 2016

M. R. Becker, M. A. Troxel, N. MacCrann, E. Krause, T. F. Eifler, O. Friedrich, A. Nicola, A. Refregier, A. Amara, D. Bacon, G. M. Bernstein, C. Bonnett, S. L. Bridle, M. T. Busha, C. Chang, S. Dodelson, B. Erickson, A. E. Evrard, J. Frieman, E. Gaztanaga, D. Gruen, W. Hartley, B. Jain, M. Jarvis, T. Kacprzak, D. Kirk, A. Kravtsov, B. Leistedt, H. V.… (More)

- D Fern´andez-Fraile, A. Nicola
- 2007

We present recent results on a systematic method to calculate transport coefficients for a meson gas (in particular, we analyze a pion gas) at low temperatures in the context of Chiral Perturbation Theory. Our method is based on the study of Feynman diagrams with a power counting which takes into account collisions in the plasma by means of a non-zero… (More)

We review recent results on properties of the meson gas relevant for Heavy Ion Collision and Nuclear Matter experiments, within the framework of chiral lagrangians. In particular, we describe the temperature and density evolution of the σ and ρ poles and its connection with chiral symmetry restoration, as well as the chemical nonequilibrated phase and… (More)

- A. Nicola
- 2002

We report on our recent work about the description of a meson gas below the chiral phase transition within the framework of Chiral Perturbation Theory. As an alternative to the standard treatment, we present a calculation of the quark condensate which combines the virial expansion and the meson-meson scattering data. We have also calculated the full… (More)

- Tomasz Kacprzak, Devin Kirk, +84 authors Y. Zhang
- 2016

Shear peak statistics has gained a lot of attention recently as a practical alternative to the two-point statistics for constraining cosmological parameters. We perform a shear peak statistics analysis of the Dark Energy Survey (DES) Science Verification (SV) data, using weak gravitational lensing measurements from a 139 deg2 field. We measure the abundance… (More)

- Timothy M. C. Abbott, Filipe B. Abdalla, +124 authors Joe Zuntz
- 2015

We present the first constraints on cosmology from the Dark Energy Survey (DES), using weak lensing measurements from the preliminary Science Verification (SV) data. We use 139 square degrees of SV data, which is less than 3% of the full DES survey area. Using cosmic shear 2-point measurements over three redshift bins we find σ8(Ωm/0.3) 0.5 = 0.81± 0.06… (More)

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