{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T03:24:36Z","timestamp":1775618676664,"version":"3.50.1"},"reference-count":11,"publisher":"Springer Science and Business Media LLC","issue":"2","license":[{"start":{"date-parts":[[1989,3,1]],"date-time":"1989-03-01T00:00:00Z","timestamp":604713600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Discrete Comput Geom"],"published-print":{"date-parts":[[1989,3]]},"DOI":"10.1007\/bf02187717","type":"journal-article","created":{"date-parts":[[2005,9,20]],"date-time":"2005-09-20T14:57:34Z","timestamp":1127228254000},"page":"97-100","source":"Crossref","is-referenced-by-count":11,"title":["Uniform oriented matroids without the isotopy property"],"prefix":"10.1007","volume":"4","author":[{"given":"Beat","family":"Jaggi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Mani-Levitska","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bernd","family":"Sturmfels","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Neil","family":"White","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[1989,3,1]]},"reference":[{"key":"BF02187717_CR1","doi-asserted-by":"crossref","first-page":"515","DOI":"10.1137\/0605050","volume":"5","author":"L. J. Billera","year":"1984","unstructured":"L. J. Billera and B. S. Munson, Triangulations of oriented matroids and convex polytopes,SIAM J. Algebraic Discrete Methods 5 (1984), 515\u2013525.","journal-title":"SIAM J. Algebraic Discrete Methods"},{"key":"BF02187717_CR2","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1007\/BF02187702","volume":"1","author":"J. Bokowski","year":"1986","unstructured":"J. Bokowski and B. Sturmfels, On the coordinatization of oriented matroids,Discrete Comput. Geom. 1 (1986), 293\u2013306.","journal-title":"Discrete Comput. Geom."},{"key":"BF02187717_CR3","first-page":"219","volume":"17","author":"R. Cordovil","year":"1983","unstructured":"R. Cordovil, Oriented matroids of rank three and arrangements of pseudolines,Ann. Discrete Math. 17 (1983), 219\u2013223.","journal-title":"Ann. Discrete Math."},{"key":"BF02187717_CR4","volume-title":"A simple arrangement of lines without the isotopy property","author":"B. Jaggi","year":"1988","unstructured":"B. Jaggi and P. Mani-Levitska, A simple arrangement of lines without the isotopy property, Manuscript, Bern, January 1988."},{"key":"BF02187717_CR5","doi-asserted-by":"crossref","first-page":"219","DOI":"10.1007\/BF02187696","volume":"1","author":"J. E. Goodman","year":"1986","unstructured":"J. E. Goodman and R. Pollack, Upper bounds for configurations and polytopes inR d ,Discrete Comput. Geom. 1 (1986), 219\u2013227.","journal-title":"Discrete Comput. Geom."},{"key":"BF02187717_CR6","unstructured":"J. Richter and B. Sturmfels, On the topology and geometric construction of oriented matroids and convex polytopes, submitted."},{"key":"BF02187717_CR7","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1007\/BF01166556","volume":"64","author":"G. Ringel","year":"1956","unstructured":"G. Ringel, Teilungen der Ebene durch Geraden oder topologische Geraden,Math. Z. 64 (1956), 79\u2013102.","journal-title":"Math. Z."},{"key":"BF02187717_CR8","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1007\/BF02187710","volume":"4","author":"N. White","year":"1989","unstructured":"N. White, A nonuniform matroid which violates the isotopy conjecture,Discrete Comput. Geom. 4 (1989), 1\u20132.","journal-title":"Discrete Comput. Geom."},{"key":"BF02187717_CR9","series-title":"Lecture Notes in Mathematics","volume-title":"Topology and Geometry\u2014Rohlin Seminar","author":"N. E. Mnev","year":"1988","unstructured":"N. E. Mnev, The universality theorems on the classification problem of configuration varieties and convex polytope varieties, inTopology and Geometry\u2014Rohlin Seminar (O. Y. Viro, ed.), Lecture Notes in Mathematics, Vol. 1346, Springer-Verlag, Berlin, 1988."},{"key":"BF02187717_CR10","series-title":"Lecture Notes in Mathematics","volume-title":"Topology and Geometry\u2014Rohlin Seminar","author":"A. M. Vershik","year":"1988","unstructured":"A. M. Vershik, Topology of the convex polytopes' manifold, the manifold of the projective configurations of a given combinatorial type and representations of lattices, inTopology and Geometry\u2014Rohlin Seminar (O. Y. Viro, ed.), Lecture Notes in Mathematics, Vol. 1346, Springer-Verlag, Berlin, 1988."},{"key":"BF02187717_CR11","unstructured":"B. Sturmfels,Computational Synthetic Geometry, Lecture Notes in Mathematics, Springer-Verlag, Berlin, to appear."}],"container-title":["Discrete & Computational Geometry"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF02187717.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/BF02187717\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF02187717","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,14]],"date-time":"2019-05-14T13:22:33Z","timestamp":1557840153000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/BF02187717"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1989,3]]},"references-count":11,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1989,3]]}},"alternative-id":["BF02187717"],"URL":"https:\/\/doi.org\/10.1007\/bf02187717","relation":{},"ISSN":["0179-5376","1432-0444"],"issn-type":[{"value":"0179-5376","type":"print"},{"value":"1432-0444","type":"electronic"}],"subject":[],"published":{"date-parts":[[1989,3]]}}}