Citation: In Ho Hwang, Hee Sik Kim, Joseph Neggers. Locally finiteness and convolution products in groupoids[J]. AIMS Mathematics, 2020, 5(6): 7350-7358. doi: 10.3934/math.2020470
| [1] | R. H. Bruck, A Survey of Binary Systems, Springer: New York, 1971. |
| [2] | O. Borůvka, Foundations of the Theory of Groupoids and Groups, John Wiley & Sons: New York, NY, USA, 1976. |
| [3] | L. Nebeský, Travel groupoids, Czech. Math. J., 56 (2006), 659-675. |
| [4] | P. J. Allen, H. S. Kim, J. Neggers, Several types of groupoids induced by two-variables functions, Springer Plus, 5 (2016), 1715-1725. |
| [5] | Y. H. Kim, H. S. Kim, J. Neggers, Selective groupoids and frameworks induced by fuzzy subsets, Iran. J. Fuzzy Syst., 14 (2017), 151-160. |
| [6] | Y. L. Liu, H. S. Kim, J. Neggers, Hyperfuzzy subsets and subgroupoids, J. Intell. Fuzzy Syst., 33 (2017), 1553-1562. |
| [7] | I. H. Hwang, H. S. Kim, J. Neggers, Some implicativies for groupoids and BCK-algebras, Mathematics, 7 (2019), 973. |
| [8] | H. S. Kim, J. Neggers, K. S. So, Order related concepts for arbitrary groupoids, B. Korean Math. Soc., 54 (2017), 1373-1386. |
| [9] | C. Berge, Principles of Combinatorics, Academic Press, New York, 1971. |
| [10] | R. P. Stanley, Enumerative Combinatorics, Volume 1, Wadsworth & Brooks/Cole, Monterey, 1986. |
| [11] | J. Neggers, H. S. Kim, Basic Posets, World Scientific Publishing Com., Singapore, 1998. |
| [12] | J. M. Howie, An introduction to semigroup theory, Academic Press, New York, 1976. |