%0 Journal Article %A Bakhadly, Bakhad %A Guterman, Alexander %A Puente Muñoz, María Jesús De La %T Orthogonality for (0, −1) tropical normal matrices %D 2020 %@ 2300-7451 %U https://hdl.handle.net/20.500.14352/104820 %X We study pairs of mutually orthogonal normal matrices with respect to tropical multiplication. Minimal orthogonal pairs are characterized. The diameter and girth of three graphs arising from the orthogonalityequivalence relation are computed. %~