From boud at astro.uni.torun.pl Mon Dec 21 12:42:18 2020 From: boud at astro.uni.torun.pl (Boud Roukema) Date: Mon, 21 Dec 2020 12:42:18 +0100 (CET) Subject: [Inhom] inhom newsletter December 2020 Message-ID: hi inhom group, SOFTWARE: * SageMath 9.2 is released: https://sagemanifolds.obspm.fr/ updates include: * orientation of manifolds and vector bundles * dot_product(), cross_product() and norm() can be now be used for vector fields defined along a curve in a pseudo-Riemannian manifold * action of a bundle connection on sections * ET new release: http://einsteintoolkit.org/about/releases/ET_2020_11_announcement.html ARXIV/ADS: inhomogeneous cosmology articles since 2 September 2020: * https://ui.adsabs.harvard.edu/abs/2020arXiv201210213V - ArXiv:2012.10213 - The 1+3-Newton-Cartan system and Newton-Cartan cosmology - Quentin Vigneron * https://ui.adsabs.harvard.edu/abs/2020arXiv201207802B - ArXiv:2012.07802 - Theoretical and numerical perspectives on cosmic distance averages - Michel-Andrès Breton, Pierre Fleury * https://ui.adsabs.harvard.edu/abs/2020arXiv201112936C ArXiv:2011.12936 - Observing relativistic features in large-scale structure surveys - II: Doppler magnification in an ensemble of relativistic simulations - Louis Coates, Julian Adamek, Philip Bull, Caroline Guandalin, Chris Clarkson * https://ui.adsabs.harvard.edu/abs/2020arXiv201111192N ArXiv:2011.11192 - Non-comoving Cold Dark Matter in a LambdaCDM background - Sebastián Nájera, Roberto A. Sussman * https://ui.adsabs.harvard.edu/abs/2020arXiv201110048H ArXiv:2011:10048 - Multipole decomposition of redshift drift -- model independent mapping of the expansion history of the Universe - Asta Heinesen * https://ui.adsabs.harvard.edu/abs/2020PhRvD.102l4005V ArXiv:2010.10247 - 1+3 formulation of Newton's equations - Quentin Vigneron * https://ui.adsabs.harvard.edu/abs/2020arXiv201008257B ArXiv:2010.08257 - Vector modes in ΛCDM: the gravitomagnetic potential in dark matter haloes from relativistic N-body simulations - Cristian Barrera-Hinojosa, Baojiu Li, Marco Bruni, Jian-hua He * https://ui.adsabs.harvard.edu/abs/2020arXiv201007274T ArXiv:2010.07274 On the question of measuring spatial curvature in an inhomogeneous universe - Chi Tian, Stefano Anselmi, Matthew F. Carney, John T. Giblin Jr, James Mertens, Glenn Starkman * https://ui.adsabs.harvard.edu/abs/2020arXiv201003742P ArXiv:2010.03742 The role of the elaphrocentre in low surface brightness galaxy formation - Marius Peper, Boudewijn F. Roukema * https://ui.adsabs.harvard.edu/abs/2020arXiv201006534H ArXiv:2010.06534 Multipole decomposition of the general luminosity distance 'Hubble law' -- a new framework for observational cosmology - Asta Heinesen * https://ui.adsabs.harvard.edu/abs/2020arXiv201007896S arXiv:2010.07896 Applications of the Hawking Energy in Inhomogeneous Cosmology - Dennis Stock * https://ui.adsabs.harvard.edu/abs/2020arXiv201004500K ArXiv:2010.04500 - On the relationship between mean observations, spatial averages and the Dyer-Roeder approximation in Einstein-Straus models - S. M. Koksbang Happy solstice! :) Boud