[1] J. Adamek, H. Herrlich and G. E. Strecker, Abstract and Concrete Categories, Wiley, New
York, (1990), 21{56.
[2] M. Farber and R. E. Jamison, Convexity in graphs and hypergraphs, SIAM Journal on Alge-
braic Discrete Methods, 7(3) (1986), 433{444.
[3] M. Farber and R. E. Jamison, On local convexity in graphs, Discrete Mathematics, 66(3)
(1987), 231{247.
[4] S. P. Franklin, Some results on order convexity, American Mathematical Monthly, 69(5)
(1962), 357-359.
[5] G. Gierz, et. al., Continuous Lattices and Domains, Cambridge University Press, Cambridge,
(2003), 1{22.
[6] F. Harary and J. Nieminen, Convexity in graphs, Journal of Di erential Geometry, 16(2)
(1981), 185{190.
[7] H. Komiya, Convexity on a topological space, Fundamenta Mathematicae, 111 (1981), 107{
113.
[8] E. Marczewski, Independence in abstract algebras results and problems, Colloquium Mathe-
maticae, Institute of Mathematics Polish Academy of Sciences, 14(1) (1966), 169{188.
[9] G. Markowsky, Chain-complete posets and directed sets with applications, Algebra universalis,
6(1) (1976), 53{68.
[10] Y. Maruyama, Lattice-valued fuzzy convex geometry, RIMS Kokyuroku, 164 (2009), 22{37.
[11] K. Menger, Untersuchungen uber allgemeine Metrik, Mathematische Annalen, 100 (1928),
75{163.
[12] J. Nieminen, The ideal structure of simple ternary algebras, Colloquium Mathematicum,
1(40) (1978), 23{29.
[13] J. G. Oxley, Matroid Theory, Oxford University Press, New York, (1992), 1{61.
[14] B. Pang and F. G. Shi, Subcategories of the category of L-convex structures, Fuzzy Sets and
Systems, 313 (2017), 61{74.
[15] S. E. Rodabaugh, Powerset operator foundations for poslat fuzzy set theories and topologies,
Mathematics of Fuzzy Sets, Springer US, (1999), 91{116.
[16] M. V. Rosa, A study of fuzzy conveixty with specail reference to separation properties, Cochin
University of science and Technology, Cochin, India, (1994), 18{25.
[17] M. V. Rosa, On fuzzy topology fuzzy convexity spaces and fuzzy local convexity, Fuzzy Sets
and Systems, 62(1) (1994), 97{100.
[18] F. G. Shi, A new approach to the fuzzi cation of matroids, Fuzzy Sets and Systems, 160(5)
(2009), 696{705.
[19] F. G. Shi, (L;M)-fuzzy matroids, Fuzzy Sets and Systems, 160(16)(2009), 2387{2400.
[20] F. G. Shi and Z. Y. Xiu, A new approach to the fuzzi cation of convex structures, Journal
of Applied Mathematics, 2014 (2014), 1{12.
[21] M. Van De Vel, Binary convexities and distributive lattices, Proceedings of the London Math-
ematical Society, 3(1) (1984), 1{33.
[22] M. Van De Vel, On the rank of a topological convexity, Fundamenta Mathematicae, 119(2)
(1984), 17{48.
[23] M. Van De Vel, Theory of convex structures, North-Holland, Amsterdam, (1993), 1{21.
[24] Z. Y. Xiu, Studies on (L;M)-fuzzy convex structures and their related theory, Beijing Institute
of Technology, Beijing, China, (2015), 21{64.
)