Nejat Tevfik Yilmaz2025-10-062015147575161475-751610.1088/1475-7516/2015/09/062https://www.scopus.com/inward/record.uri?eid=2-s2.0-84947584574&doi=10.1088%2F1475-7516%2F2015%2F09%2F062&partnerID=40&md5=570df013f8be4294cb056551f04d8148https://gcris.yasar.edu.tr/handle/123456789/9866We construct the complete set of metric-configuration solutions of the ghost-free massive bigravity for the scenario in which the g-metric is the Friedmann-Lemaitre-Robertson-Walker (FLRW) one and the interaction Lagrangian between the two metrics contributes an effective ideal fluid energy-momentum tensor to the g-metric equations. This set corresponds to the exact background cosmological solution space of the theory. © 2015 Elsevier B.V. All rights reserved.EnglishDark Energy Theory, Dark Matter Theory, Gravity, Modified GravityArticle