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This extends previous results on hyperplane arrangements and oriented matroids.<\/jats:p>","DOI":"10.1007\/s00493-025-00138-2","type":"journal-article","created":{"date-parts":[[2025,3,17]],"date-time":"2025-03-17T16:19:26Z","timestamp":1742228366000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The Signed Varchenko Determinant for Complexes of Oriented Matroids"],"prefix":"10.1007","volume":"45","author":[{"given":"Winfried","family":"Hochst\u00e4ttler","sequence":"first","affiliation":[]},{"given":"Sophia","family":"Keip","sequence":"additional","affiliation":[]},{"given":"Kolja","family":"Knauer","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2025,3,17]]},"reference":[{"key":"138_CR1","doi-asserted-by":"crossref","unstructured":"Aguiar, M., Mahajan, S.: Topics in Hyperplane Arrangements. Mathematical Surveys and Monographs, vol. 226. 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