Kim, Hee Sik; Neggers, J.; Ahn, Sun Shin Construction of BCK-neighborhood systems in a \(d\)-algebra. (English) Zbl 1525.06004 AIMS Math. 6, No. 9, 9422-9435 (2021). MSC: 06F35 PDFBibTeX XMLCite \textit{H. S. Kim} et al., AIMS Math. 6, No. 9, 9422--9435 (2021; Zbl 1525.06004) Full Text: DOI
Allen, Paul J.; Kim, Hee Sik; Neggers, Joseph Bracket functions on groupoids. (English) Zbl 1428.20060 Commun. Korean Math. Soc. 34, No. 2, 375-381 (2019). MSC: 20N02 06F35 PDFBibTeX XMLCite \textit{P. J. Allen} et al., Commun. Korean Math. Soc. 34, No. 2, 375--381 (2019; Zbl 1428.20060) Full Text: DOI
Feng, Feng; Kim, Hee Sik; Neggers, Joseph General implicativity in groupoids. (English) Zbl 1402.20069 Mathematics 6, No. 11, Paper No. 235, 8 p. (2018). MSC: 20N02 06F35 PDFBibTeX XMLCite \textit{F. Feng} et al., Mathematics 6, No. 11, Paper No. 235, 8 p. (2018; Zbl 1402.20069) Full Text: DOI
Kim, Hee Sik; Neggers, J.; So, Keum Sook Generalized Fibonacci sequences in groupoids. (English) Zbl 1382.11020 Adv. Difference Equ. 2013, Paper No. 26, 10 p. (2013). MSC: 11B39 20L05 20N02 PDFBibTeX XMLCite \textit{H. S. Kim} et al., Adv. Difference Equ. 2013, Paper No. 26, 10 p. (2013; Zbl 1382.11020) Full Text: DOI
Kim, Hee Sik; Neggers, J.; So, Keum Sook Some aspects of \(d\)-units in \(d/\)BCK-algebras. (English) Zbl 1263.06008 J. Appl. Math. 2012, Article ID 141684, 10 p. (2012). MSC: 06F35 PDFBibTeX XMLCite \textit{H. S. Kim} et al., J. Appl. Math. 2012, Article ID 141684, 10 p. (2012; Zbl 1263.06008) Full Text: DOI
Han, Jeong Soon; Kim, Hee Sik; Neggers, J. The hypergroupoid semigroups as generalizations of the groupoid semigroups. (English) Zbl 1255.20061 J. Appl. Math. 2012, Article ID 717698, 8 p. (2012). MSC: 20N20 20N02 08A02 03G25 PDFBibTeX XMLCite \textit{J. S. Han} et al., J. Appl. Math. 2012, Article ID 717698, 8 p. (2012; Zbl 1255.20061) Full Text: DOI
Cha, Kyung Joon; Kim, Hee Sik; Neggers, J. Trends, probability functions and fuzzy right ideals for \(d\)-algebras. (English) Zbl 1232.08005 Comput. Math. Appl. 62, No. 8, 2988-2994 (2011). MSC: 08A72 06F35 PDFBibTeX XMLCite \textit{K. J. Cha} et al., Comput. Math. Appl. 62, No. 8, 2988--2994 (2011; Zbl 1232.08005) Full Text: DOI
Han, Jeong Soon; Kim, Hee Sik; Neggers, J. Constructions of quotient algebras via triangular norms. (English) Zbl 1265.03080 Math. Slovaca 60, No. 3, 279-288 (2010). Reviewer: Marek Hyčko (Bratislava) MSC: 03G25 06F35 PDFBibTeX XMLCite \textit{J. S. Han} et al., Math. Slovaca 60, No. 3, 279--288 (2010; Zbl 1265.03080) Full Text: DOI
Jun, Young Bae; Kim, Hee Sik; Neggers, J. Pseudo \(d\)-algebras. (English) Zbl 1179.06008 Inf. Sci. 179, No. 11, 1751-1759 (2009). MSC: 06F35 PDFBibTeX XMLCite \textit{Y. B. Jun} et al., Inf. Sci. 179, No. 11, 1751--1759 (2009; Zbl 1179.06008) Full Text: DOI
Allen, Paul J.; Kim, Hee S.; Neggers, Joseph Companion \(d\)-algebras. (English) Zbl 1150.06323 Math. Slovaca 57, No. 2, 93-106 (2007). MSC: 06F35 PDFBibTeX XMLCite \textit{P. J. Allen} et al., Math. Slovaca 57, No. 2, 93--106 (2007; Zbl 1150.06323) Full Text: DOI EuDML
Neggers, J.; Kim, Hee Sik On \(\beta \)-algebras. (English) Zbl 1027.08004 Math. Slovaca 52, No. 5, 517-530 (2002). Reviewer: Helmut Länger (Wien) MSC: 08A62 20N99 PDFBibTeX XMLCite \textit{J. Neggers} and \textit{H. S. Kim}, Math. Slovaca 52, No. 5, 517--530 (2002; Zbl 1027.08004) Full Text: EuDML
Neggers, Joseph; Jun, Young Bae; Kim, Hee Sik On \(d\)-ideals in \(d\)-algebras. (English) Zbl 0960.06010 Math. Slovaca 49, No. 3, 243-251 (1999). Reviewer: Anatolij Dvurečenskij (Bratislava) MSC: 06F35 PDFBibTeX XMLCite \textit{J. Neggers} et al., Math. Slovaca 49, No. 3, 243--251 (1999; Zbl 0960.06010) Full Text: EuDML