Exchange properties of combinatorial closure spaces

Birkhoff, 1967 Crapo, 1984, Selectors, a theory of formal languages, semimodular lattices, branching and shelling processes, Adv. in Math., 54, 233, 10.1016/0001-8708(84)90042-2 Crawley, 1973 Dlab, 1962, General algebraic dependence relations, Publ. Math. Debrecan, 9 Dlab, 1966, Algebraic dependence structures, Z. Math. Logik Grundl. Math., 12, 10.1002/malq.19660120130 Edelman, 1980, Meet-distributive lattices and the anti-exchange closure, Algebra Universalis, 10, 290, 10.1007/BF02482912 Faigle, 1980, Geometries on partially ordered sets, J. Comb. in Theory B, 28, 26, 10.1016/0095-8956(80)90054-4 Faigle, 1981, Projective geometry on partially ordered sets, Trans. Amer. Math. Soc., 266, 319, 10.1090/S0002-9947-1981-0613799-9 Faigle, 1984, Geometric exchange properties in lattices of finite length, Algebra Universalis, 19, 355, 10.1007/BF01201104 Finkbeiner, 1951-1951, A general dependence relation for lattices, 2, 756 Gaskill, 1978, An exchange property for modular lattices, Algebra Universalis, 8, 354, 10.1007/BF02485406 Jamison-Waldner, 1982, A perspective on abstract convexity: classifying alignments by varieties, 113 Jónsson, 1969, Representation of primary arguesian lattices, Pacific J. Math., 30, 95, 10.2140/pjm.1969.30.95 Korte, 1983, Shelling structures, convexity and a happy end Korte, 1984, Greedoids, a structural framework for the greedy algorithm, 221 Kurosh, 1935, Durchschnittsdarstellungen mit irreduziblen Komponenten in Ringen und sogenannten Dualgruppen, Mat. Sbornik, 42, 613 Lang, 1965 MacLane, 1938, A lattice formulation for transcendence degrees and p-bases, Duke Math. J., 4, 455, 10.1215/S0012-7094-38-00438-7 Ore, 1936, On the foundations of abstract algebra II, Annals Math., 37, 265, 10.2307/1968442 R. Schrader [1985], Personal communication. Welsh, 1976