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We introduce and study the matrices with bidimensional Fibonacci numbers, focusing in particular on their recurrence relation, key properties, determinant, and various other identities. It is our purpose to study the matrix version of bidimensional Fibonacci numbers and provide new results and sometimes extensions of some results existing in the literature. We aim to introduce these matrices using the bidimensional Fibonacci numbers and to give the determinant of these matrices.<\/jats:p>","DOI":"10.2478\/amsil-2025-0014","type":"journal-article","created":{"date-parts":[[2025,9,22]],"date-time":"2025-09-22T12:08:05Z","timestamp":1758542885000},"page":"59-76","source":"Crossref","is-referenced-by-count":0,"title":["On Matrices with Bidimensional Fibonacci Numbers"],"prefix":"10.2478","volume":"40","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6684-9961","authenticated-orcid":false,"given":"Eudes Antonio","family":"Costa","sequence":"first","affiliation":[{"name":"Department of Mathematics , Federal University of Tocantins , 773300-000 Arraias - TO , Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6917-5093","authenticated-orcid":false,"given":"Paula M.M.C.","family":"Catarino","sequence":"additional","affiliation":[{"name":"Department of Mathematics , University of Tr\u00e1s-os-Montes e Alto Douro , Vila Real , Portugal"},{"name":"CMAT-UTAD, Polo of CMAT, University of Minho , Vila Real , Portugal"}]}],"member":"374","published-online":{"date-parts":[[2025,9,22]]},"reference":[{"key":"2026051418045739912_j_amsil-2025-0014_ref_001","doi-asserted-by":"crossref","unstructured":"F.R. 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