Han, Sang-Eon Homotopic properties of \(KA\)-digitizations of \(n\)-dimensional Euclidean spaces. (English) Zbl 1488.54194 Hacet. J. Math. Stat. 49, No. 1, 236-253 (2020). MSC: 54H30 55P99 54A10 54C05 55R15 54C08 54F65 68U05 68U10 PDFBibTeX XMLCite \textit{S.-E. Han}, Hacet. J. Math. Stat. 49, No. 1, 236--253 (2020; Zbl 1488.54194) Full Text: DOI
Han, Sang-Eon Homotopic properties of an MA-digitization of 2D Euclidean spaces. (English) Zbl 1391.68110 J. Comput. Syst. Sci. 95, 165-176 (2018). MSC: 68U05 55P10 55U10 PDFBibTeX XMLCite \textit{S.-E. Han}, J. Comput. Syst. Sci. 95, 165--176 (2018; Zbl 1391.68110) Full Text: DOI
Han, Sang-Eon Compatible adjacency relations for digital products. (English) Zbl 1488.54193 Filomat 31, No. 9, 2787-2803 (2017). MSC: 54H30 55P15 68U05 PDFBibTeX XMLCite \textit{S.-E. Han}, Filomat 31, No. 9, 2787--2803 (2017; Zbl 1488.54193) Full Text: DOI
Han, Sang-Eon Fixed point property for digital spaces. (English) Zbl 1412.55007 J. Nonlinear Sci. Appl. 10, No. 5, 2510-2523 (2017). MSC: 55N35 55M20 68R10 68U05 PDFBibTeX XMLCite \textit{S.-E. Han}, J. Nonlinear Sci. Appl. 10, No. 5, 2510--2523 (2017; Zbl 1412.55007) Full Text: DOI
Han, Sang-Eon Almost fixed point property for digital spaces associated with Marcus-Wyse topological spaces. (English) Zbl 1412.54015 J. Nonlinear Sci. Appl. 10, No. 1, 34-47 (2017). MSC: 54A10 54C05 54C08 54F65 PDFBibTeX XMLCite \textit{S.-E. Han}, J. Nonlinear Sci. Appl. 10, No. 1, 34--47 (2017; Zbl 1412.54015) Full Text: DOI
Han, Sang-Eon \(U (k)\)- and \(L (k)\)-homotopic properties of digitizations of a \(n\)D Hausdorff spaces. (English) Zbl 1373.54009 Hacet. J. Math. Stat. 46, No. 1, 127-147 (2017). MSC: 54A10 54C05 55R15 54C08 54F65 68U05 68U10 PDFBibTeX XMLCite \textit{S.-E. Han}, Hacet. J. Math. Stat. 46, No. 1, 127--147 (2017; Zbl 1373.54009) Full Text: DOI
Han, Sang-Eon A digitization method of subspaces of the Euclidean \(n\)D space associated with the Khalimsky adjacency structure. (English) Zbl 1379.54013 Comput. Appl. Math. 36, No. 1, 127-144 (2017). MSC: 54C10 54C05 54C08 55P10 55P15 68U05 68U10 PDFBibTeX XMLCite \textit{S.-E. Han}, Comput. Appl. Math. 36, No. 1, 127--144 (2017; Zbl 1379.54013) Full Text: DOI
Han, S.-E. Existence of the category \(\mathit{DTC}_2(k)\) equivalent to the given category \(\mathit{KAC}_2\). (English) Zbl 1377.68280 Ukr. Math. J. 67, No. 8, 1264-1276 (2016) and Ukr. Mat. Zh. 67, No. 8, 1122-1133 (2015). MSC: 68U05 54B30 54C08 54F65 55P10 55U40 68U10 PDFBibTeX XMLCite \textit{S. E. Han}, Ukr. Math. J. 67, No. 8, 1264--1276 (2016; Zbl 1377.68280) Full Text: DOI
Han, Sang-Eon; Yao, Wei Homotopy based on Marcus-Wyse topology and its applications. (English) Zbl 1352.54003 Topology Appl. 201, 358-371 (2016). MSC: 54A10 54C05 54C08 54F65 68U05 68U10 PDFBibTeX XMLCite \textit{S.-E. Han} and \textit{W. Yao}, Topology Appl. 201, 358--371 (2016; Zbl 1352.54003) Full Text: DOI
Han, Sang-Eon Fixed point theorems for digital images. (English) Zbl 1337.55001 Honam Math. J. 37, No. 4, 595-608 (2015). MSC: 55-02 55N35 55M20 68R10 68U05 68U10 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 37, No. 4, 595--608 (2015; Zbl 1337.55001) Full Text: DOI
Han, Sang-Eon; Lee, Sik Remarks on homotopies associated with Khalimsky topology. (English) Zbl 1337.55002 Honam Math. J. 37, No. 4, 577-593 (2015). MSC: 55-02 55Q70 52Cxx 55P15 68R10 68U05 PDFBibTeX XMLCite \textit{S.-E. Han} and \textit{S. Lee}, Honam Math. J. 37, No. 4, 577--593 (2015; Zbl 1337.55002) Full Text: DOI
Han, Sang-Eon Comparison among several adjacency properties for a digital product. (English) Zbl 1366.55010 Honam Math. J. 37, No. 1, 135-147 (2015). MSC: 55Q70 68R10 68U05 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 37, No. 1, 135--147 (2015; Zbl 1366.55010) Full Text: DOI
Han, Sang-Eon; Lee, Sik Utility of digital covering theory. (English) Zbl 1351.55001 Honam Math. J. 36, No. 3, 695-706 (2014). MSC: 55-02 55Q70 52C99 55P15 68R10 68U05 PDFBibTeX XMLCite \textit{S.-E. Han} and \textit{S. Lee}, Honam Math. J. 36, No. 3, 695--706 (2014; Zbl 1351.55001) Full Text: DOI
Han, Sang-Eon Remarks on simply \(k\)-connectivity and \(k\)-deformation retract in digital topology. (English) Zbl 1359.55010 Honam Math. J. 36, No. 3, 519-530 (2014). MSC: 55P99 68U05 68U10 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 36, No. 3, 519--530 (2014; Zbl 1359.55010) Full Text: DOI
Han, Sang-Eon An equivalent property of a normal adjacency of a digital product. (English) Zbl 1300.55018 Honam Math. J. 36, No. 1, 199-215 (2014). MSC: 55Q70 52C17 55P15 68R10 68U05 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 36, No. 1, 199--215 (2014; Zbl 1300.55018) Full Text: DOI
Han, Sang-Eon Non-ultra regular digital covering spaces with nontrivial automorphism groups. (English) Zbl 1391.55010 Filomat 27, No. 7, 1205-1218 (2013). MSC: 55Q70 57M10 68R01 68U10 PDFBibTeX XMLCite \textit{S.-E. Han}, Filomat 27, No. 7, 1205--1218 (2013; Zbl 1391.55010) Full Text: DOI
Han, Sang-Eon; Lee, Sik Remarks on digital products with normal adjacency relations. (English) Zbl 1300.55019 Honam Math. J. 35, No. 3, 515-524 (2013). MSC: 55Q70 52C17 55P15 68R10 68U05 PDFBibTeX XMLCite \textit{S.-E. Han} and \textit{S. Lee}, Honam Math. J. 35, No. 3, 515--524 (2013; Zbl 1300.55019) Full Text: DOI
Kang, Jeang Min; Han, Sang-Eon Compression of Khalimsky topological spaces. (English) Zbl 1349.55005 Filomat 26, No. 6, 1101-1114 (2012). MSC: 55P10 PDFBibTeX XMLCite \textit{J. M. Kang} and \textit{S.-E. Han}, Filomat 26, No. 6, 1101--1114 (2012; Zbl 1349.55005) Full Text: DOI
Han, Sang-Eon Unique pseudolifting property in digital topology. (English) Zbl 1289.68187 Filomat 26, No. 4, 739-746 (2012). Reviewer: Wlodzimierz Slezak (Bydgoszcz, Poland) MSC: 68U05 65D18 52C99 68R10 PDFBibTeX XMLCite \textit{S.-E. Han}, Filomat 26, No. 4, 739--746 (2012; Zbl 1289.68187) Full Text: DOI
Han, Sang-Eon Homotopy equivalence which is suitable for studying Khalimsky \(n\)D spaces. (English) Zbl 1237.55004 Topology Appl. 159, No. 7, 1705-1714 (2012). MSC: 55P10 55P15 54A10 65D18 68U05 68U10 PDFBibTeX XMLCite \textit{S.-E. Han}, Topology Appl. 159, No. 7, 1705--1714 (2012; Zbl 1237.55004) Full Text: DOI
Han, Sang-Eon Category which is suitable for studying Khalimsky topological spaces with digital connectivity. (English) Zbl 1238.57006 Honam Math. J. 33, No. 2, 231-246 (2011). MSC: 57M10 57S30 55Q20 68T10 68U05 68U10 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 33, No. 2, 231--246 (2011; Zbl 1238.57006) Full Text: DOI Link
Han, Sang-Eon Identification method for digital spaces. (English) Zbl 1221.68272 Honam Math. J. 33, No. 1, 51-60 (2011). MSC: 68U05 55Q70 55P10 68R10 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 33, No. 1, 51--60 (2011; Zbl 1221.68272) Full Text: DOI Link
Han, Sang Eon Properties of a generalized universal covering space over a digital wedge. (English) Zbl 1223.55008 Honam Math. J. 32, No. 3, 375-387 (2010). MSC: 55Q70 55Q20 68Q10 68U05 PDFBibTeX XMLCite \textit{S. E. Han}, Honam Math. J. 32, No. 3, 375--387 (2010; Zbl 1223.55008) Full Text: DOI
Han, Sang-Eon KD-\((k_0, k_1)\)-homotopy equivalence and its applications. (English) Zbl 1200.68262 J. Korean Math. Soc. 47, No. 5, 1031-1054 (2010). MSC: 68U05 55P10 55P15 55Q70 54A10 65D18 68U10 PDFBibTeX XMLCite \textit{S.-E. Han}, J. Korean Math. Soc. 47, No. 5, 1031--1054 (2010; Zbl 1200.68262) Full Text: DOI Link
Han, Sang-Eon Commutative monoid of the set of \(k\)-isomorphism classes of simple closed \(k\)-surfaces in \(\mathbb{Z}^3\). (English) Zbl 1198.68282 Honam Math. J. 32, No. 1, 141-155 (2010). MSC: 68U05 55P10 57M10 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 32, No. 1, 141--155 (2010; Zbl 1198.68282) Full Text: DOI
Han, Sang-Eon Existence problem of a generalized universal covering space. (English) Zbl 1198.57001 Acta Appl. Math. 109, No. 3, 805-827 (2010). MSC: 57M10 55Q70 52C07 57S30 55R15 PDFBibTeX XMLCite \textit{S.-E. Han}, Acta Appl. Math. 109, No. 3, 805--827 (2010; Zbl 1198.57001) Full Text: DOI
Han, Sang-Eon Multiplicative property of the digital fundamental group. (English) Zbl 1200.68261 Acta Appl. Math. 110, No. 2, 921-944 (2010). MSC: 68U05 55Q52 55Q70 57M10 PDFBibTeX XMLCite \textit{S.-E. Han}, Acta Appl. Math. 110, No. 2, 921--944 (2010; Zbl 1200.68261) Full Text: DOI
Han, Sang-Eon Cartesian product of the universal covering property. (English) Zbl 1202.55008 Acta Appl. Math. 108, No. 2, 363-383 (2009). MSC: 55Q70 52Cxx 55P15 68R10 68U05 52C07 57S30 55R15 PDFBibTeX XMLCite \textit{S.-E. Han}, Acta Appl. Math. 108, No. 2, 363--383 (2009; Zbl 1202.55008) Full Text: DOI
Han, Sang-Eon Regular covering space in digital covering theory and its applications. (English) Zbl 1198.68280 Honam Math. J. 31, No. 3, 279-292 (2009). MSC: 68U05 52C15 52C17 55Q70 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 31, No. 3, 279--292 (2009; Zbl 1198.68280) Full Text: DOI
Han, Sang-Eon Remark on generalized universal covering space in digital covering theory. (English) Zbl 1198.68279 Honam Math. J. 31, No. 3, 267-278 (2009). MSC: 68U05 52C15 52C17 55Q70 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 31, No. 3, 267--278 (2009; Zbl 1198.68279) Full Text: DOI
Kim, In-Soo; Han, Sang-Eon Digital covering theory and its applications. (English) Zbl 1198.68284 Honam Math. J. 30, No. 4, 589-602 (2008). MSC: 68U05 52C17 55P15 55Q70 PDFBibTeX XMLCite \textit{I.-S. Kim} and \textit{S.-E. Han}, Honam Math. J. 30, No. 4, 589--602 (2008; Zbl 1198.68284) Full Text: DOI
Han, Sang-Eon Digital geometry and its applications. (English) Zbl 1198.68278 Honam Math. J. 30, No. 2, 207-217 (2008). MSC: 68U05 52Cxx 55P10 55P15 55Q70 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 30, No. 2, 207--217 (2008; Zbl 1198.68278) Full Text: DOI
Han, Sang-Eon Map preserving local properties of a digital image. (English) Zbl 1167.68056 Acta Appl. Math. 104, No. 2, 177-190 (2008). MSC: 68U05 52C99 55P10 55P15 PDFBibTeX XMLCite \textit{S.-E. Han}, Acta Appl. Math. 104, No. 2, 177--190 (2008; Zbl 1167.68056) Full Text: DOI
Han, Sang-Eon; Lee, Sik Weak \(k\)-deformation retract and its applications. (English) Zbl 1234.52011 Far East J. Math. Sci. (FJMS) 30, No. 1, 157-174 (2008). MSC: 52C07 55Q99 55P99 PDFBibTeX XMLCite \textit{S.-E. Han} and \textit{S. Lee}, Far East J. Math. Sci. (FJMS) 30, No. 1, 157--174 (2008; Zbl 1234.52011) Full Text: Link
Han, Sang-Eon Comparison among digital fundamental groups and its applications. (English) Zbl 1141.55008 Inf. Sci. 178, No. 8, 2091-2104 (2008). Reviewer: Philippe Gaucher (Paris) MSC: 55Q70 52C99 55P10 68U05 PDFBibTeX XMLCite \textit{S.-E. Han}, Inf. Sci. 178, No. 8, 2091--2104 (2008; Zbl 1141.55008) Full Text: DOI
Han, Sang-Eon Remarks on digital homotopy equivalence. (English) Zbl 1198.68281 Honam Math. J. 29, No. 1, 101-118 (2007). MSC: 68U05 57M05 55P10 57M10 68U10 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 29, No. 1, 101--118 (2007; Zbl 1198.68281) Full Text: DOI
Han, Sang-Eon Strong \(k\)-deformations retract and its applications. (English) Zbl 1146.55003 J. Korean Math. Soc. 44, No. 6, 1479-1503 (2007). Reviewer: Philippe Gaucher (Paris) MSC: 55P10 55P15 55Q70 52C99 68U05 PDFBibTeX XMLCite \textit{S.-E. Han}, J. Korean Math. Soc. 44, No. 6, 1479--1503 (2007; Zbl 1146.55003) Full Text: DOI
Han, Sang-Eon The \(k\)-fundamental group of a closed \(k\)-surface. (English) Zbl 1185.68779 Inf. Sci. 177, No. 18, 3731-3748 (2007). MSC: 68U05 57M05 57M10 PDFBibTeX XMLCite \textit{S.-E. Han}, Inf. Sci. 177, No. 18, 3731--3748 (2007; Zbl 1185.68779) Full Text: DOI
Han, Sang-Eon Digital fundamental group and Euler characteristic of a connected sum of digital closed surfaces. (English) Zbl 1122.68143 Inf. Sci. 177, No. 16, 3314-3326 (2007). MSC: 68U05 57M05 PDFBibTeX XMLCite \textit{S.-E. Han}, Inf. Sci. 177, No. 16, 3314--3326 (2007; Zbl 1122.68143) Full Text: DOI
Han, Sang-Eon Minimal simple closed 18-surfaces and a topological preservation of 3D surfaces. (English) Zbl 1101.68908 Inf. Sci. 176, No. 2, 120-134 (2006). MSC: 68U05 PDFBibTeX XMLCite \textit{S.-E. Han}, Inf. Sci. 176, No. 2, 120--134 (2006; Zbl 1101.68908) Full Text: DOI
Han, Sang-Eon On the simplicial complex stemmed from a digital graph. (English) Zbl 1168.57300 Honam Math. J. 27, No. 1, 115-129 (2005). MSC: 57M10 05C10 51N05 55R10 68U05 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 27, No. 1, 115--129 (2005; Zbl 1168.57300) Full Text: Link
Lee, Sik; Kim, Sam-Tae; Han, Sang-Eon Digital topological property of the digital 8-pseudotori. (English) Zbl 1333.57006 Honam Math. J. 26, No. 4, 411-421 (2004). MSC: 57M10 55Q70 PDFBibTeX XMLCite \textit{S. Lee} et al., Honam Math. J. 26, No. 4, 411--421 (2004; Zbl 1333.57006) Full Text: Link
Han, Sang-Eon Generalized digital \((K_0, K_1)\)-homeomorphism. (English) Zbl 1099.68122 Note Mat. 22(2003-2004), No. 2, 157-166 (2004). Reviewer: Kohhei Yamaguchi (Tokyo) MSC: 68U05 55P10 55P15 PDFBibTeX XMLCite \textit{S.-E. Han}, Note Mat. 22, No. 2, 157--166 (2003; Zbl 1099.68122) Full Text: DOI
Han, Sang-Eon On homotopy equivalence of nonnilpotent spaces and its applications. (English) Zbl 0958.55009 Commun. Korean Math. Soc. 15, No. 2, 349-355 (2000). MSC: 55P10 55N10 55N91 PDFBibTeX XMLCite \textit{S.-E. Han}, Commun. Korean Math. Soc. 15, No. 2, 349--355 (2000; Zbl 0958.55009)
Han, Sang Eon; Kim, Cheol Ho On the defects and textures in the ordered medium. (English) Zbl 0966.55004 Honam Math. J. 21, No. 1, 171-177 (1999). MSC: 55N10 82D99 55N91 55P99 74A99 74E99 PDFBibTeX XMLCite \textit{S. E. Han} and \textit{C. H. Kim}, Honam Math. J. 21, No. 1, 171--177 (1999; Zbl 0966.55004)
Han, Sang-Eon On the Euler characteristic of the space satisfying condition \((T^{**})\). (English) Zbl 0981.55003 Tamkang J. Math. 29, No. 2, 115-120 (1998). MSC: 55N99 55P99 PDFBibTeX XMLCite \textit{S.-E. Han}, Tamkang J. Math. 29, No. 2, 115--120 (1998; Zbl 0981.55003)
Han, Sang-Eon; Sik-Lee On the admittance of a fixed point free deformation of the space which \(\pi_1(X)\) is infinite. (English) Zbl 0955.55007 Honam Math. J. 20, No. 1, 147-152 (1998). MSC: 55P99 55M20 PDFBibTeX XMLCite \textit{S.-E. Han} and \textit{Sik-Lee}, Honam Math. J. 20, No. 1, 147--152 (1998; Zbl 0955.55007)
Han, Sang-Eon On the \(R\)-good property of the space satisfying condition \((T^{**})\). (English) Zbl 0923.55010 Kyushu J. Math. 52, No. 2, 279-286 (1998). Reviewer: D.W.Kahn (Minneapolis) MSC: 55P60 PDFBibTeX XMLCite \textit{S.-E. Han}, Kyushu J. Math. 52, No. 2, 279--286 (1998; Zbl 0923.55010) Full Text: DOI
Han, Sang-Eon On the space satisfying condition \((T^{**})\). (English) Zbl 0997.55500 Nihonkai Math. J. 8, No. 2, 123-131 (1997). MSC: 55P60 PDFBibTeX XMLCite \textit{S.-E. Han}, Nihonkai Math. J. 8, No. 2, 123--131 (1997; Zbl 0997.55500)
Sohn, Kyu-Hyun; Han, Sang-Eon On the localization of the locally nilpotent space and conditions \((T^*)\) and \((T^{**})\). (English) Zbl 0948.55008 Honam Math. J. 19, No. 1, 117-123 (1997). MSC: 55P60 PDFBibTeX XMLCite \textit{K.-H. Sohn} and \textit{S.-E. Han}, Honam Math. J. 19, No. 1, 117--123 (1997; Zbl 0948.55008)
Han, Sang-Eon On the direct limit of the locally nilpotent direct system. (English) Zbl 0956.55009 Honam Math. J. 19, No. 1, 139-144 (1997). MSC: 55P99 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 19, No. 1, 139--144 (1997; Zbl 0956.55009)
Shon, Kyu-Hyun; Han, Sang-Eon On the locally nilpotent spaces and \((T^*)\). (English) Zbl 0956.55008 Honam Math. J. 18, No. 1, 85-90 (1996). MSC: 55P99 PDFBibTeX XMLCite \textit{K.-H. Shon} and \textit{S.-E. Han}, Honam Math. J. 18, No. 1, 85--90 (1996; Zbl 0956.55008)
Han, Sang-Eon On the locally soluble spaces. (English) Zbl 0945.55509 Bull., Honam Math. Soc. 13, 215-220 (1996). MSC: 55P60 PDFBibTeX XMLCite \textit{S.-E. Han}, Bull., Honam Math. Soc. 13, 215--220 (1996; Zbl 0945.55509)
Han, Sang-Eon On the relations between \(\Pi_nR_\infty B\text{GL}A^+\) and \(K_n(A)\). (English) Zbl 0973.55007 Honam Math. J. 15, No. 1, 25-30 (1993). MSC: 55P60 19D06 PDFBibTeX XMLCite \textit{S.-E. Han}, Honam Math. J. 15, No. 1, 25--30 (1993; Zbl 0973.55007)