{"paper":{"title":"Constraints on shear and rotation with massive galaxy clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Ahmad Mehrabi, Antonino Del Popolo, Francesco Pace, Mohammad Malekjani","submitted_at":"2016-08-29T09:25:39Z","abstract_excerpt":"A precise determination of the mass function is an important tool to verify cosmological predictions of the $\\Lambda$CDM model and to infer more precisely the better model describing the evolution of the Universe. Galaxy clusters have been currently used to infer cosmological parameters, in particular the matter density parameter $\\Omega_{\\rm m}$, the matter power spectrum normalization $\\sigma_8$ and the equation of state parameter $w_{\\rm de}$ of the dark energy fluid. In this work, using data on massive galaxy clusters ($M>8\\times 10^{14}~h^{-1}~M_{\\odot}$) in the redshift range $0.05\\lesss"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.07961","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}