{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,23]],"date-time":"2023-10-23T09:01:08Z","timestamp":1698051668099},"reference-count":13,"publisher":"Springer Science and Business Media LLC","issue":"2","license":[{"start":{"date-parts":[[1988,6,1]],"date-time":"1988-06-01T00:00:00Z","timestamp":581126400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Combinatorica"],"published-print":{"date-parts":[[1988,6]]},"DOI":"10.1007\/bf02122803","type":"journal-article","created":{"date-parts":[[2005,9,14]],"date-time":"2005-09-14T11:43:20Z","timestamp":1126698200000},"page":"217-234","source":"Crossref","is-referenced-by-count":2,"title":["Branchings in rooted graphs and the diameter of greedoids"],"prefix":"10.1007","volume":"8","author":[{"given":"G. M.","family":"Ziegler","sequence":"first","affiliation":[]}],"member":"297","reference":[{"key":"BF02122803_CR1","doi-asserted-by":"crossref","first-page":"159","DOI":"10.2307\/1999881","volume":"260","author":"A. Bj\u00f6rner","year":"1980","unstructured":"A. Bj\u00f6rner, Shellable and Cohen-Macaulay partially ordered sets,Trans. Am. Math. Soc.,260 (1980), 159\u2013183.","journal-title":"Trans. Am. Math. Soc."},{"key":"BF02122803_CR2","volume-title":"Colloquia Mathematica Societatis J\u00e1nos Bolyai40","author":"A. Bj\u00f6rner","year":"1985","unstructured":"A. Bj\u00f6rner, On matroids, groups and exchange languages, in: (L. Lov\u00e1sz and A. Recski (eds.)),Matroid theory and its applications. Conference Proceedings, Szeged, September 1982. Colloquia Mathematica Societatis J\u00e1nos Bolyai40. North Holland, Amsterdam, Budapest, 1985."},{"key":"BF02122803_CR3","doi-asserted-by":"crossref","first-page":"325","DOI":"10.1016\/S0012-365X(81)80027-1","volume":"36","author":"A. Bj\u00f6rner","year":"1981","unstructured":"A. Bj\u00f6rner, On complements in lattices of finite length,Discrete Mathematics,36 (1981), 325\u2013326.","journal-title":"Discrete Mathematics"},{"key":"BF02122803_CR4","doi-asserted-by":"crossref","first-page":"447","DOI":"10.1016\/0196-8858(85)90021-1","volume":"6","author":"A. Bj\u00f6rner","year":"1985","unstructured":"A. Bj\u00f6rner, B. Korte andL. Lov\u00e1sz, Homotopy properties of greedoids,Advances in Applied Mathematics,6 (1985), 447\u2013494.","journal-title":"Advances in Applied Mathematics"},{"key":"BF02122803_CR5","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1016\/0001-8708(84)90042-2","volume":"54","author":"H. Crapo","year":"1984","unstructured":"H. Crapo, Selectors. A theory of formal languages, semimodular lattices, branchings and shelling processes,Advances in Math.,54 (1984), 233\u2013277.","journal-title":"Advances in Math."},{"key":"BF02122803_CR6","doi-asserted-by":"crossref","first-page":"247","DOI":"10.1007\/BF00149365","volume":"19","author":"P. Edelman","year":"1985","unstructured":"P. Edelman andR. Jamison, The theory of convex geometries,Geometriae Dedicata,19 (1985), 247\u2013270.","journal-title":"Geometriae Dedicata"},{"key":"BF02122803_CR7","doi-asserted-by":"crossref","first-page":"221","DOI":"10.1016\/B978-0-12-566780-7.50019-2","volume-title":"Progress in Combinatorial Optimization","author":"B. Korte","year":"1984","unstructured":"B. Korte andL. Lov\u00e1sz, Greedoids, a structural framework for the greedy algorithm, in: (W. R. Pulleyblank (ed.)),Progress in Combinatorial Optimization. Proceedings of the Silver Jubilee Conference on Combinatorics, Waterloo, June 1982. Academic Press, London-New York-San Francisco 1984, 221\u2013243."},{"key":"BF02122803_CR8","doi-asserted-by":"crossref","first-page":"359","DOI":"10.1007\/BF02579192","volume":"3","author":"B. Korte","year":"1983","unstructured":"B. Korte andL. Lov\u00e1sz, Structural properties of greedoids,Combinatorica 3 (1983), 359\u2013374.","journal-title":"Combinatorica"},{"key":"BF02122803_CR9","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1137\/0605024","volume":"5","author":"B. Korte","year":"1984","unstructured":"B. Korte andL. Lov\u00e1sz, Greedoids and linear objective functions,SIAM J. Alg. Disc. Math. 5 (1984), 229\u2013238.","journal-title":"SIAM J. Alg. Disc. Math."},{"key":"BF02122803_CR10","doi-asserted-by":"crossref","first-page":"158","DOI":"10.1007\/BFb0121049","volume":"24","author":"B. Korte","year":"1985","unstructured":"B. Korte andL. Lov\u00e1sz, Basis graphs of greedoids and two-connectivity,Mathematical Programming Study 24 (1985), 158\u2013165.","journal-title":"Mathematical Programming Study"},{"key":"BF02122803_CR11","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1016\/0095-8956(85)90091-7","volume":"38","author":"B. Korte","year":"1985","unstructured":"B. Korte andL. Lov\u00e1sz, Polymatroid greedoids,Journal of Combinatorial Theory, Series B 38 (1985), 41\u201372.","journal-title":"Journal of Combinatorial Theory, Series B"},{"key":"BF02122803_CR12","unstructured":"W.Schmidt,Strukturelle Aspekte in der kombinatorischen Optimierung: Greedoide auf Graphen, Dissertation, Bonn 1985."},{"key":"BF02122803_CR13","unstructured":"A.Bj\u00f6rner, G. M.Ziegler, Introduction to greedoids, to appear in: (N. White (ed.)),Combinatorial Geometries: Advanced Theory, Cambridge University."}],"container-title":["Combinatorica"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF02122803.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/BF02122803\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF02122803","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,13]],"date-time":"2019-05-13T21:22:31Z","timestamp":1557782551000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/BF02122803"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1988,6]]},"references-count":13,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1988,6]]}},"alternative-id":["BF02122803"],"URL":"https:\/\/doi.org\/10.1007\/bf02122803","relation":{},"ISSN":["0209-9683","1439-6912"],"issn-type":[{"value":"0209-9683","type":"print"},{"value":"1439-6912","type":"electronic"}],"subject":[],"published":{"date-parts":[[1988,6]]}}}