Beasley, LeRoy B.; Song, Seok-Zun Minimum-rank and maximum-nullity of graphs and their linear preservers. (English) Zbl 1490.05155 Linear Multilinear Algebra 70, No. 9, 1732-1743 (2022). MSC: 05C50 15A03 15A86 PDFBibTeX XMLCite \textit{L. B. Beasley} and \textit{S.-Z. Song}, Linear Multilinear Algebra 70, No. 9, 1732--1743 (2022; Zbl 1490.05155) Full Text: DOI
Khan, Madad; Anis, Saima; Song, Seok-Zun; Jun, Young Bae Complex fuzzy soft matrices with applications. (English) Zbl 1488.15058 Hacet. J. Math. Stat. 49, No. 2, 676-683 (2020). MSC: 15B15 PDFBibTeX XMLCite \textit{M. Khan} et al., Hacet. J. Math. Stat. 49, No. 2, 676--683 (2020; Zbl 1488.15058) Full Text: DOI
Beasley, LeRoy B.; Song, Seok-Zun Genus of a graph and its strong preservers. (English) Zbl 1448.05126 Linear Multilinear Algebra 68, No. 8, 1655-1662 (2020). MSC: 05C50 15A04 15A86 05A05 PDFBibTeX XMLCite \textit{L. B. Beasley} and \textit{S.-Z. Song}, Linear Multilinear Algebra 68, No. 8, 1655--1662 (2020; Zbl 1448.05126) Full Text: DOI
Beasley, Leroy B.; Kang, Kyung-Tae; Song, Seok-Zun Isolation numbers of integer matrices and their preservers. (English) Zbl 1450.15003 Bull. Korean Math. Soc. 57, No. 3, 535-545 (2020). Reviewer: Janko Marovt (Maribor) MSC: 15A04 15A86 15B36 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Bull. Korean Math. Soc. 57, No. 3, 535--545 (2020; Zbl 1450.15003) Full Text: DOI
Beasley, LeRoy B.; Encinas, Luis Hernandez; Song, Seok-Zun Strong preservers of symmetric arctic rank of nonnegative real matrices. (English) Zbl 1428.15027 J. Korean Math. Soc. 56, No. 6, 1503-1514 (2019). Reviewer: Andreas Arvanitoyeorgos (Patras) MSC: 15A86 15A04 15B34 81R15 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., J. Korean Math. Soc. 56, No. 6, 1503--1514 (2019; Zbl 1428.15027) Full Text: DOI
Kang, Kyung-Tae; Song, Seok-Zun Spanning column ranks of non-binary Boolean matrices and their preservers. (English) Zbl 1425.15032 J. Korean Math. Soc. 56, No. 2, 507-521 (2019). Reviewer: Janko Marovt (Maribor) MSC: 15B34 15A03 15A04 15A86 PDFBibTeX XMLCite \textit{K.-T. Kang} and \textit{S.-Z. Song}, J. Korean Math. Soc. 56, No. 2, 507--521 (2019; Zbl 1425.15032) Full Text: DOI
Anis, Saima; Song, Seok-Zun; Jun, Young Bae; Smarandache, Florentin Some studies on algebraic integers in \(\mathbb {Q} (i,\sqrt{3})\) by using coset diagram. (English) Zbl 1439.11273 Beitr. Algebra Geom. 60, No. 1, 157-165 (2019). MSC: 11R04 05A15 15A15 15A18 20D60 PDFBibTeX XMLCite \textit{S. Anis} et al., Beitr. Algebra Geom. 60, No. 1, 157--165 (2019; Zbl 1439.11273) Full Text: DOI
Beasley, LeRoy B.; Jun, Young Bae; Song, Seok-Zun Possible isolation number of a matrix over nonnegative integers. (English) Zbl 1499.15002 Czech. Math. J. 68, No. 4, 1055-1066 (2018). MSC: 15A03 15B33 15B34 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Czech. Math. J. 68, No. 4, 1055--1066 (2018; Zbl 1499.15002) Full Text: DOI
Beasley, LeRoy B.; Song, Seok-Zun Symmetric arctic ranks of nonnegative matrices and their linear preservers. (English) Zbl 1387.15029 Linear Multilinear Algebra 65, No. 10, 2000-2010 (2017). MSC: 15A86 15A03 15A04 PDFBibTeX XMLCite \textit{L. B. Beasley} and \textit{S.-Z. Song}, Linear Multilinear Algebra 65, No. 10, 2000--2010 (2017; Zbl 1387.15029) Full Text: DOI
Beasley, Leroy B.; Song, Seok-Zun Linear preservers of symmetric arctic rank over the binary Boolean semiring. (English) Zbl 1378.15018 J. Korean Math. Soc. 54, No. 4, 1317-1329 (2017). Reviewer: Wu Jing (Fayetteville) MSC: 15A86 15A04 15B34 16Y60 15A03 PDFBibTeX XMLCite \textit{L. B. Beasley} and \textit{S.-Z. Song}, J. Korean Math. Soc. 54, No. 4, 1317--1329 (2017; Zbl 1378.15018) Full Text: Link
Beasley, LeRoy B.; Song, Seok-Zun Primitive symmetric matrices and their preservers. (English) Zbl 1367.15047 Linear Multilinear Algebra 65, No. 1, 129-139 (2017). Reviewer: Gema Maria Diaz Toca (Murcia) MSC: 15A86 15A04 15B33 15B34 16Y60 PDFBibTeX XMLCite \textit{L. B. Beasley} and \textit{S.-Z. Song}, Linear Multilinear Algebra 65, No. 1, 129--139 (2017; Zbl 1367.15047) Full Text: DOI
Beasley, Leroy B.; Song, Seok-Zun Zero-term rank and zero-star cover number of symmetric matrices and their linear preservers. (English) Zbl 1358.15019 Linear Multilinear Algebra 64, No. 12, 2368-2377 (2016). Reviewer: John D. Dixon (Ottawa) MSC: 15A86 15A80 16Y60 15A03 PDFBibTeX XMLCite \textit{L. B. Beasley} and \textit{S.-Z. Song}, Linear Multilinear Algebra 64, No. 12, 2368--2377 (2016; Zbl 1358.15019) Full Text: DOI
Song, Seok-Zun; Beasley, LeRoy B.; Mohindru, Preeti; Pereira, Rajesh Preservers of completely positive matrix rank. (English) Zbl 1368.15026 Linear Multilinear Algebra 64, No. 7, 1258-1265 (2016). Reviewer: Alexander Guterman (Moskva) MSC: 15A86 15B51 15B48 15A03 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Linear Multilinear Algebra 64, No. 7, 1258--1265 (2016; Zbl 1368.15026) Full Text: DOI
Beasley, LeRoy B.; Song, Seok-Zun Primitive exponent preservers. (English) Zbl 1330.15003 Linear Algebra Appl. 491, 263-275 (2016). MSC: 15A04 15A86 15B34 PDFBibTeX XMLCite \textit{L. B. Beasley} and \textit{S.-Z. Song}, Linear Algebra Appl. 491, 263--275 (2016; Zbl 1330.15003) Full Text: DOI
Kang, Kyung-Tae; Song, Seok-Zun Characterizations of the column rank preservers of Boolean matrices. (English) Zbl 1335.15035 Adv. Stud. Contemp. Math., Kyungshang 25, No. 3, 293-300 (2015). Reviewer: Wu Jing (Fayetteville) MSC: 15A86 15A03 15B34 PDFBibTeX XMLCite \textit{K.-T. Kang} and \textit{S.-Z. Song}, Adv. Stud. Contemp. Math., Kyungshang 25, No. 3, 293--300 (2015; Zbl 1335.15035)
Beasley, LeRoy B.; Kang, Kyung-Tae; Song, Seok-Zun Linear preservers of Boolean rank between different matrix spaces. (English) Zbl 1320.15025 J. Korean Math. Soc. 52, No. 3, 625-636 (2015). Reviewer: Wai-Shun Cheung (Hong Kong) MSC: 15A86 15A04 15B34 15A03 16Y60 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., J. Korean Math. Soc. 52, No. 3, 625--636 (2015; Zbl 1320.15025) Full Text: DOI Link
Kang, Kyung-Tae; Song, Seok-Zun Regular matrices and their generalized inverses over the max algebra. (English) Zbl 1316.15004 Linear Multilinear Algebra 63, No. 8, 1649-1663 (2015). Reviewer: Nestor Thome (Valencia) MSC: 15A09 15A23 15B33 15A80 PDFBibTeX XMLCite \textit{K.-T. Kang} and \textit{S.-Z. Song}, Linear Multilinear Algebra 63, No. 8, 1649--1663 (2015; Zbl 1316.15004) Full Text: DOI
Song, Seok-Zun; Heo, Seong-Hee Zero-term rank inequalities and their extreme preservers. (English) Zbl 1391.15093 Filomat 28, No. 9, 1827-1833 (2014). MSC: 15A86 47B49 06E20 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{S.-H. Heo}, Filomat 28, No. 9, 1827--1833 (2014; Zbl 1391.15093) Full Text: DOI
Kang, Kyung-Tae; Song, Seok-Zun; Beasley, Leroy B.; Hernandez Encinas, Luis Characterizations of zero-term rank preservers of matrices over semirings. (English) Zbl 1320.15026 Kyungpook Math. J. 54, No. 4, 619-627 (2014). MSC: 15A86 16Y60 15A03 15A04 PDFBibTeX XMLCite \textit{K.-T. Kang} et al., Kyungpook Math. J. 54, No. 4, 619--627 (2014; Zbl 1320.15026) Full Text: DOI
Beasley, LeRoy B.; Song, Seok Zun A characterization of linear operators that preserve isolation numbers. (English) Zbl 1318.15014 Math. Commun. 19, No. 2, 363-373 (2014). Reviewer: Janko Marovt (Maribor) MSC: 15A86 15B34 15A04 PDFBibTeX XMLCite \textit{L. B. Beasley} and \textit{S. Z. Song}, Math. Commun. 19, No. 2, 363--373 (2014; Zbl 1318.15014) Full Text: Link
Beasley, LeRoy B.; Song, Seok-Zun; Jun, Young Bae Linear operators that preserve graphical properties of matrices: isolation numbers. (English) Zbl 1349.15073 Czech. Math. J. 64, No. 3, 819-826 (2014). MSC: 15A86 15A04 15B34 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Czech. Math. J. 64, No. 3, 819--826 (2014; Zbl 1349.15073) Full Text: DOI Link Link
An, Ji Hye; Lee, A. Reum; Lee, Seul Bi; Lim, Su San; Song, Seok-Zun Matrix types with determinants in linear factored forms. (English) Zbl 1298.15012 Honam Math. J. 36, No. 2, 275-289 (2014). MSC: 15A15 15B51 PDFBibTeX XMLCite \textit{J. H. An} et al., Honam Math. J. 36, No. 2, 275--289 (2014; Zbl 1298.15012) Full Text: DOI
Beasley, Leroy B.; Kang, Kyung-Tae; Song, Seok-Zun Characterizations of Boolean rank preservers over Boolean matrices. (English) Zbl 1310.15005 J. Korean Soc. Math. Educ., Ser. B, Pure Appl. Math. 21, No. 2, 121-128 (2014). Reviewer: A. Arvanitoyeorgos (Patras) MSC: 15A04 15A86 15B34 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., J. Korean Soc. Math. Educ., Ser. B, Pure Appl. Math. 21, No. 2, 121--128 (2014; Zbl 1310.15005) Full Text: DOI
Beasley, Leroy B.; Song, Seok-Zun Linear operators that preserve term ranks of matrices over semirings. (English) Zbl 1307.15043 Bull. Malays. Math. Sci. Soc. (2) 37, No. 3, 719-725 (2014). Reviewer: Frank Uhlig (Auburn) MSC: 15A86 15A03 15A04 16Y60 15B33 PDFBibTeX XMLCite \textit{L. B. Beasley} and \textit{S.-Z. Song}, Bull. Malays. Math. Sci. Soc. (2) 37, No. 3, 719--725 (2014; Zbl 1307.15043) Full Text: EMIS
Beasley, Leroy B.; Kang, Kyung-Tae; Song, Seok-Zun Linear operators that preserve sets of primitive matrices. (English) Zbl 1307.15042 J. Korean Math. Soc. 51, No. 4, 773-789 (2014). Reviewer: Frank Uhlig (Auburn) MSC: 15A86 15A04 15B34 16Y60 15B33 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., J. Korean Math. Soc. 51, No. 4, 773--789 (2014; Zbl 1307.15042) Full Text: DOI Link
Kang, Kyung-Tae; Beasley, LeRoy B.; Hernandez Encinas, Luis; Song, Seok-Zun Nonnegative integral matrices having generalized inverses. (English) Zbl 1288.15006 Commun. Korean Math. Soc. 29, No. 2, 227-237 (2014). MSC: 15A09 15A23 15B36 PDFBibTeX XMLCite \textit{K.-T. Kang} et al., Commun. Korean Math. Soc. 29, No. 2, 227--237 (2014; Zbl 1288.15006) Full Text: DOI Link
Beasley, LeRoy B.; Heo, Seong-Hee; Song, Seok-Zun Extreme preservers of term rank inequalities over nonbinary Boolean semiring. (English) Zbl 1283.15082 J. Korean Math. Soc. 51, No. 1, 113-123 (2014). Reviewer: Janko Marovt (Braslovče) MSC: 15A86 15A03 15B34 15A45 16Y60 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., J. Korean Math. Soc. 51, No. 1, 113--123 (2014; Zbl 1283.15082) Full Text: DOI Link
Song, Seok-Zun; Jun, Young-Bae Sets of integer matrix pairs derived from row rank inequalities and their preservers. (English) Zbl 1290.15018 Kyungpook Math. J. 53, No. 2, 273-283 (2013). Reviewer: Janko Marovt (Braslovče) MSC: 15A86 15A03 15A04 15B36 16Y60 15B33 15A15 15A45 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{Y.-B. Jun}, Kyungpook Math. J. 53, No. 2, 273--283 (2013; Zbl 1290.15018) Full Text: DOI
Beasley, LeRoy B.; Song, Seok-Zun; Kang, Kyung-Tae; Lee, Sang-Gu A comparison of term ranks of symmetric matrices and their preservers. (English) Zbl 1281.15028 Linear Algebra Appl. 438, No. 10, 3745-3754 (2013). MSC: 15A86 15A03 16Y60 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Linear Algebra Appl. 438, No. 10, 3745--3754 (2013; Zbl 1281.15028) Full Text: DOI
Song, Seok-Zun Minimum permanents on doubly stochastic matrices with prescribed zeros. (English) Zbl 1278.15037 Honam Math. J. 35, No. 2, 211-223 (2013). MSC: 15B51 15A15 PDFBibTeX XMLCite \textit{S.-Z. Song}, Honam Math. J. 35, No. 2, 211--223 (2013; Zbl 1278.15037) Full Text: DOI
Beasley, LeRoy B.; Song, Seok-Zun Linear operators that preserve Boolean rank of Boolean matrices. (English) Zbl 1289.15048 Czech. Math. J. 63, No. 2, 435-440 (2013). Reviewer: Rabe von Randow (Bonn) MSC: 15A86 15B34 15A03 PDFBibTeX XMLCite \textit{L. B. Beasley} and \textit{S.-Z. Song}, Czech. Math. J. 63, No. 2, 435--440 (2013; Zbl 1289.15048) Full Text: DOI Link
Song, Seok Zun; Kang, Mun-Hwan; Jun, Young Bae Extreme sets of rank inequalities over Boolean matrices and their preservers. (English) Zbl 1271.15011 Commun. Korean Math. Soc. 28, No. 1, 1-9 (2013). Reviewer: Janko Marovt (Braslovče) MSC: 15A86 15A03 15A04 15B34 PDFBibTeX XMLCite \textit{S. Z. Song} et al., Commun. Korean Math. Soc. 28, No. 1, 1--9 (2013; Zbl 1271.15011) Full Text: DOI
Song, Seok-Zun; Beasley, LeRoy B. Linear transformations that preserve term rank between different matrix spaces. (English) Zbl 1270.15018 J. Korean Math. Soc. 50, No. 1, 127-136 (2013). Reviewer: Janko Marovt (Braslovče) MSC: 15A86 15A03 15A04 16Y60 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{L. B. Beasley}, J. Korean Math. Soc. 50, No. 1, 127--136 (2013; Zbl 1270.15018) Full Text: DOI Link
Song, Seok-Zun; Kang, Mun-Hwan Linear preservers of extremes of matrix pairs over nonbinary Boolean algebra. (English) Zbl 1264.15029 Bull. Malays. Math. Sci. Soc. (2) 36, No. 1, 73-81 (2013). Reviewer: Janko Marovt (Braslovče) MSC: 15A86 15A03 15B34 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{M.-H. Kang}, Bull. Malays. Math. Sci. Soc. (2) 36, No. 1, 73--81 (2013; Zbl 1264.15029) Full Text: Link
Kang, Kyung-Tae; Song, Seok-Zun Characterizations of term-rank preservers over Boolean matrices. (English) Zbl 1247.15027 Bull. Malays. Math. Sci. Soc. (2) 35, No. 2, 277-285 (2012). Reviewer: Wai-Shun Cheung (Hong Kong) MSC: 15A86 15A03 15B34 PDFBibTeX XMLCite \textit{K.-T. Kang} and \textit{S.-Z. Song}, Bull. Malays. Math. Sci. Soc. (2) 35, No. 2, 277--285 (2012; Zbl 1247.15027) Full Text: Link
Kang, Kyung-Tae; Song, Seok-Zun; Beasley, LeRoy B. Linear preservers of term ranks of matrices over semirings. (English) Zbl 1236.15058 Linear Algebra Appl. 436, No. 7, 1850-1862 (2012). MSC: 15A86 15A03 15A04 PDFBibTeX XMLCite \textit{K.-T. Kang} et al., Linear Algebra Appl. 436, No. 7, 1850--1862 (2012; Zbl 1236.15058) Full Text: DOI
Kang, Kyung-Tae; Song, Seok-Zun Term rank preservers of Boolean matrices. (English) Zbl 1242.15024 Linear Multilinear Algebra 60, No. 2, 241-247 (2012). Reviewer: Wu Jing (Fayetteville) MSC: 15A86 15B34 PDFBibTeX XMLCite \textit{K.-T. Kang} and \textit{S.-Z. Song}, Linear Multilinear Algebra 60, No. 2, 241--247 (2012; Zbl 1242.15024) Full Text: DOI
Beasley, Leroy B.; Song, Seok-Zun; Kang, Kyung-Tae Preservers of term ranks of symmetric matrices. (English) Zbl 1245.15027 Linear Algebra Appl. 436, No. 6, 1727-1738 (2012). Reviewer: Alexander Guterman (Moskva) MSC: 15A86 15B33 16Y60 15A03 15B57 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Linear Algebra Appl. 436, No. 6, 1727--1738 (2012; Zbl 1245.15027) Full Text: DOI
Song, Seok-Zun; Kang, Mun-Hwan Boolean rank inequalities and their extreme preservers. (English) Zbl 1245.15029 J. Appl. Math. Inform. 29, No. 5-6, 1525-1532 (2011). Reviewer: Alexander Guterman (Moskva) MSC: 15A86 16Y60 15B33 06E20 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{M.-H. Kang}, J. Appl. Math. Inform. 29, No. 5--6, 1525--1532 (2011; Zbl 1245.15029) Full Text: Link
Park, Eun A.; Song, Seok-Zun Extreme preservers of fuzzy matrix pairs derived from zero-term rank inequalities. (English) Zbl 1244.15018 Honam Math. J. 33, No. 3, 301-310 (2011). Reviewer: Bojan Kuzma (Ljubljana) MSC: 15A86 15B33 16Y60 15A03 15A45 PDFBibTeX XMLCite \textit{E. A. Park} and \textit{S.-Z. Song}, Honam Math. J. 33, No. 3, 301--310 (2011; Zbl 1244.15018) Full Text: DOI Link
Kang, Kyung-Tae; Song, Seok-Zun Linear maps that strongly preserve regular matrices over the Boolean algebra. (English) Zbl 1224.15054 Czech. Math. J. 61, No. 1, 113-125 (2011). MSC: 15A86 15A09 15B34 PDFBibTeX XMLCite \textit{K.-T. Kang} and \textit{S.-Z. Song}, Czech. Math. J. 61, No. 1, 113--125 (2011; Zbl 1224.15054) Full Text: DOI EuDML Link
Kang, Kyung-Tae; Song, Seok-Zun; Heo, Seong-Hee; Jun, Young-Bae Linear preservers of regular matrices over general Boolean algebras. (English) Zbl 1211.15037 Bull. Malays. Math. Sci. Soc. (2) 34, No. 1, 113-125 (2011). Reviewer: Alexander Guterman (Moskva) MSC: 15A86 15B34 15A09 PDFBibTeX XMLCite \textit{K.-T. Kang} et al., Bull. Malays. Math. Sci. Soc. (2) 34, No. 1, 113--125 (2011; Zbl 1211.15037) Full Text: EuDML Link
Pula, Kyle; Song, Seok-Zun; Wanless, Ian M. Minimum permanents on two faces of the polytope of doubly stochastic matrices. (English) Zbl 1209.15013 Linear Algebra Appl. 434, No. 1, 232-238 (2011). MSC: 15A15 15B51 PDFBibTeX XMLCite \textit{K. Pula} et al., Linear Algebra Appl. 434, No. 1, 232--238 (2011; Zbl 1209.15013) Full Text: DOI
Song, Seok-Zun; Na, Yeon-Jung Extreme preservers of zero-term rank sum over fuzzy matrices. (English) Zbl 1237.15022 Kyungpook Math. J. 50, No. 4, 465-472 (2010). Reviewer: Wai-Shun Cheung (Hong Kong) MSC: 15A86 15B15 15A04 15B33 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{Y.-J. Na}, Kyungpook Math. J. 50, No. 4, 465--472 (2010; Zbl 1237.15022) Full Text: DOI Link
Kang, Kyung-Tae; Song, Seok Zun; Jun, Young Bae Linear operators that strongly preserve regularity of fuzzy matrices. (English) Zbl 1200.15013 Math. Commun. 15, No. 1, 243-254 (2010). Reviewer: Bojan Kuzma (Ljubljana) MSC: 15A86 15A04 15A09 16Y60 08A72 15B15 PDFBibTeX XMLCite \textit{K.-T. Kang} et al., Math. Commun. 15, No. 1, 243--254 (2010; Zbl 1200.15013) Full Text: Link
Song, Seok-Zun; Park, Kwon-Ryong; Hernández Encinas, L. Extreme preservers of maximal column rank inequalities of matrix multiplications over semirings. (English) Zbl 1183.15029 J. Korean Math. Soc. 47, No. 1, 71-81 (2010). Reviewer: Ludwig Kohaupt (Berlin) MSC: 15A86 15A03 15A04 15A45 15B33 16Y60 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., J. Korean Math. Soc. 47, No. 1, 71--81 (2010; Zbl 1183.15029) Full Text: DOI
Song, Seok-Zun; Durán Díaz, R.; Hernández Encinas, L.; Muñoz Masqué, J.; Queiruga Dios, A. Dimension of the intersection of a pair of orthogonal groups. (English) Zbl 1184.15007 Int. J. Comput. Math. 86, No. 10-11, 1678-1683 (2009). Reviewer: Rodica Covaci (Cluj-Napoca) MSC: 15A16 15A63 22E10 22E60 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Int. J. Comput. Math. 86, No. 10--11, 1678--1683 (2009; Zbl 1184.15007) Full Text: DOI Link
Song, Seok-Zun; Kang, Kyung-Tae; Beasley, Leroy B. Linear operators that preserve perimeters of matrices over semirings. (English) Zbl 1159.15001 J. Korean Math. Soc. 46, No. 1, 113-123 (2009). MSC: 15A03 15A04 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., J. Korean Math. Soc. 46, No. 1, 113--123 (2009; Zbl 1159.15001) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae; Kang, Mun-Hwan Boolean regular matrices and their strongly preservers. (English) Zbl 1167.15004 Bull. Korean Math. Soc. 46, No. 2, 373-385 (2009). Reviewer: Bojan Kuzma (Ljubljana) MSC: 15A04 15A09 15B33 06E25 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Bull. Korean Math. Soc. 46, No. 2, 373--385 (2009; Zbl 1167.15004) Full Text: DOI
Song, Seok-Zun; Park, Kwon-Ryong Extreme preservers of maximal column rank inequalities of matrix sums over semirings. (English) Zbl 1174.15001 Czech. Math. J. 58, No. 3, 693-703 (2008). MSC: 15A04 15A03 15A45 16S50 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{K.-R. Park}, Czech. Math. J. 58, No. 3, 693--703 (2008; Zbl 1174.15001) Full Text: DOI EuDML Link
Song, Seok-Zun; Kang, Kyung-Tae; Beasley, LeRoy B. Perimeter preserving linear operators. (English) Zbl 1165.15002 Congr. Numerantium 190, 207-220 (2008). Reviewer: Bojan Kuzma (Ljubljana) MSC: 15A04 15A03 16Y60 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Congr. Numerantium 190, 207--220 (2008; Zbl 1165.15002)
Kang, Kyung-Tae; Song, Seok-Zun; Yang, Young-Oh Characterizations of fuzzy idempotent matrices. (English) Zbl 1160.15019 J. Fuzzy Math. 16, No. 3, 653-663 (2008). Reviewer: Józef Drewniak (Rzeszów) MSC: 15B33 15A21 16Y60 08A72 05B20 PDFBibTeX XMLCite \textit{K.-T. Kang} et al., J. Fuzzy Math. 16, No. 3, 653--663 (2008; Zbl 1160.15019)
Song, Seok-Zun; Kang, Kyung-Tae Linear preservers of perimeters of nonnegative real matrices. (English) Zbl 1162.15001 Kyungpook Math. J. 48, No. 3, 465-472 (2008). Reviewer: Bojan Kuzma (Ljubljana) MSC: 15A04 15B48 15A23 15A03 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{K.-T. Kang}, Kyungpook Math. J. 48, No. 3, 465--472 (2008; Zbl 1162.15001) Full Text: DOI
Beasley, L. B.; Guterman, A. E.; Kang, K.-T.; Song, S.-Z. Idempotent Boolean matrices and majorization. (English. Russian original) Zbl 1146.15006 J. Math. Sci., New York 152, No. 4, 456-468 (2008); translation from Fundam. Prikl. Mat. 13, No. 1, 11-29 (2007). MSC: 15B33 15A60 16S50 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., J. Math. Sci., New York 152, No. 4, 456--468 (2008; Zbl 1146.15006); translation from Fundam. Prikl. Mat. 13, No. 1, 11--29 (2007) Full Text: DOI
Song, Seok-Zun; Cheon, Gi-Sang; Jun, Young-Bae Linear preservers of spanning column rank of matrix products over semirings. (English) Zbl 1153.15006 J. Korean Math. Soc. 45, No. 4, 1043-1056 (2008). Reviewer: Václav Burjan (Praha) MSC: 15A04 15A03 15A45 16Y60 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., J. Korean Math. Soc. 45, No. 4, 1043--1056 (2008; Zbl 1153.15006) Full Text: DOI
Song, Seok-Zun Linear preservers of spanning column rank of matrix sums over semirings. (English) Zbl 1158.15003 J. Korean Math. Soc. 45, No. 2, 301-312 (2008). Reviewer: Manouchehr Misaghian (Prairie View) MSC: 15A04 15A03 16Y60 15A30 PDFBibTeX XMLCite \textit{S.-Z. Song}, J. Korean Math. Soc. 45, No. 2, 301--312 (2008; Zbl 1158.15003) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae; Shin, Hang Kyun Linear operators that preserve perimeters of Boolean matrices. (English) Zbl 1154.15003 Bull. Korean Math. Soc. 45, No. 2, 355-363 (2008). Reviewer: Bojan Kuzma (Ljubljana) MSC: 15A04 15A03 15B36 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Bull. Korean Math. Soc. 45, No. 2, 355--363 (2008; Zbl 1154.15003) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae; Beasley, Leroy B.; Sze, Nung-Sing Regular matrices and their strong preservers over semirings. (English) Zbl 1152.15004 Linear Algebra Appl. 429, No. 1, 209-223 (2008). Reviewer: Manouchehr Misaghian (Prairie View) MSC: 15A04 15A09 16Y60 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Linear Algebra Appl. 429, No. 1, 209--223 (2008; Zbl 1152.15004) Full Text: DOI
Kang, Kyung-Tae; Song, Seok-Zun Spanning column rank preservers of integer matrices. (English) Zbl 1179.15026 Honam Math. J. 29, No. 3, 427-443 (2007). MSC: 15A86 15A03 15B36 PDFBibTeX XMLCite \textit{K.-T. Kang} and \textit{S.-Z. Song}, Honam Math. J. 29, No. 3, 427--443 (2007; Zbl 1179.15026) Full Text: DOI
Song, Sang-Hun; Shin, Hang Kyun; Song, Seok-Zun Minimum permanent on a face of \(\Omega_6\) containing two square zero-submatrices. (English) Zbl 1178.15004 J. Korea Soc. Math. Educ., Ser. B, Pure Appl. Math. 14, No. 3, 197-201 (2007). MSC: 15A15 15B51 52B12 PDFBibTeX XMLCite \textit{S.-H. Song} et al., J. Korean Soc. Math. Educ., Ser. B, Pure Appl. Math. 14, No. 3, 197--201 (2007; Zbl 1178.15004)
Song, Seok-Zun; Kang, Kyung-Tae Maximal column rank preservers of integer matrices. (English) Zbl 1168.15301 Commun. Korean Math. Soc. 22, No. 2, 195-205 (2007). MSC: 15A03 15A04 15B36 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{K.-T. Kang}, Commun. Korean Math. Soc. 22, No. 2, 195--205 (2007; Zbl 1168.15301) Full Text: DOI
Song, Seok-Zun; Oh, Jin-Young Commuting pair preservers of matrices. (English) Zbl 1145.15004 Kyungpook Math. J. 47, No. 2, 277-281 (2007). Reviewer: Bojan Kuzma (Ljubljana) MSC: 15A04 15A27 15B36 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{J.-Y. Oh}, Kyungpook Math. J. 47, No. 2, 277--281 (2007; Zbl 1145.15004)
Song, Seok-Zun; Kang, Kyung-Tae; Beasley, LeRoy B. Idempotent matrix preservers over Boolean algebras. (English) Zbl 1123.15002 J. Korean Math. Soc. 44, No. 1, 169-178 (2007). Reviewer: Václav Burjan (Praha) MSC: 15A04 15A03 15B33 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., J. Korean Math. Soc. 44, No. 1, 169--178 (2007; Zbl 1123.15002) Full Text: DOI
Beasley, Leroy B.; Guterman, Alexander E.; Lee, Sang-Gu; Song, Seok-Zun Frobenius and Dieudonné theorems over semirings. (English) Zbl 1110.15004 Linear Multilinear Algebra 55, No. 1, 19-34 (2007). Reviewer: Yueh-er Kuo (Knoxville) MSC: 15A04 15A15 15B33 16Y60 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Linear Multilinear Algebra 55, No. 1, 19--34 (2007; Zbl 1110.15004) Full Text: DOI
Song, Seok-Zun Factor rank comparisons of matrices over two related semirings. (English) Zbl 1163.15302 Commun. Korean Math. Soc. 21, No. 2, 219-226 (2006). MSC: 15A23 15B36 15B48 PDFBibTeX XMLCite \textit{S.-Z. Song}, Commun. Korean Math. Soc. 21, No. 2, 219--226 (2006; Zbl 1163.15302) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae; Jun, Young-Bae Invertible commutativity preservers of matrices over max algebra. (English) Zbl 1164.15303 Czech. Math. J. 56, No. 4, 1185-1192 (2006). MSC: 15A04 15A03 15A27 15B33 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Czech. Math. J. 56, No. 4, 1185--1192 (2006; Zbl 1164.15303) Full Text: DOI EuDML Link
Song, Seok-Zun; Kang, Kyung-Tae; Jun, Young-Bae Perimeter preserver of matrices over semifields. (English) Zbl 1164.15300 Czech. Math. J. 56, No. 2, 515-524 (2006). MSC: 15A03 15A04 15B33 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Czech. Math. J. 56, No. 2, 515--524 (2006; Zbl 1164.15300) Full Text: DOI EuDML Link
Song, Seok-Zun; Jun, Young-Bae Zero-term rank preservers of integer matrices. (English) Zbl 1131.15003 Discuss. Math., Gen. Algebra Appl. 26, No. 2, 155-161 (2006). MSC: 15A04 15A03 15B36 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{Y.-B. Jun}, Discuss. Math., Gen. Algebra Appl. 26, No. 2, 155--161 (2006; Zbl 1131.15003) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae Factor rank and its preservers of integer matrices. (English) Zbl 1121.15007 Kyungpook Math. J. 46, No. 4, 581-589 (2006). Reviewer: Bojan Kuzma (Ljubljana) MSC: 15A04 15A03 15B36 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{K.-T. Kang}, Kyungpook Math. J. 46, No. 4, 581--589 (2006; Zbl 1121.15007)
Song, Seok-Zun; Kang, Kyung-Tae Rank and perimeter preservers of rank-1 fuzzy matrices. (English) Zbl 1125.15002 J. Fuzzy Math. 14, No. 3, 665-672 (2006). Reviewer: Józef Drewniak (Rzeszów) MSC: 15A04 15B33 15B48 15A03 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{K.-T. Kang}, J. Fuzzy Math. 14, No. 3, 665--672 (2006; Zbl 1125.15002)
Song, Seok-Zun; Kang, Kyung-Tae; Jun, Young-Bae Linear preservers of Boolean nilpotent matrices. (English) Zbl 1186.15023 J. Korean Math. Soc. 43, No. 3, 539-552 (2006). MSC: 15A86 15B34 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., J. Korean Math. Soc. 43, No. 3, 539--552 (2006; Zbl 1186.15023) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae Rank-preserver of matrices over chain semiring. (English) Zbl 1102.15002 Kyungpook Math. J. 46, No. 1, 89-96 (2006). Reviewer: Václav Burjan (Praha) MSC: 15A04 15A03 15B33 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{K.-T. Kang}, Kyungpook Math. J. 46, No. 1, 89--96 (2006; Zbl 1102.15002)
Beasley, Leroy B.; Guterman, Alexander E.; Jun, Young-Bae; Song, Seok-Zun Linear preservers of extremes of rank inequalities over semirings: Row and column ranks. (English) Zbl 1089.15002 Linear Algebra Appl. 413, No. 2-3, 495-509 (2006). Reviewer: Bojan Kuzma (Ljubljana) MSC: 15A04 15A45 15B33 15A03 16S50 16Y60 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Linear Algebra Appl. 413, No. 2--3, 495--509 (2006; Zbl 1089.15002) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae Linear maps that preserve commuting pairs of matrices over general Boolean algebra. (English) Zbl 1087.15003 J. Korean Math. Soc. 43, No. 1, 77-86 (2006). Reviewer: John D. Dixon (Ottawa) MSC: 15A04 15B33 16Y60 06E20 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{K.-T. Kang}, J. Korean Math. Soc. 43, No. 1, 77--86 (2006; Zbl 1087.15003) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae; Jun, Young-Bae Rank-preserving operators of nonnegative integer matrices. (English) Zbl 1087.15004 Commun. Korean Math. Soc. 20, No. 4, 671-683 (2005). Reviewer: Bojan Kuzma (Ljubljana) MSC: 15A04 15B36 15A03 15B48 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Commun. Korean Math. Soc. 20, No. 4, 671--683 (2005; Zbl 1087.15004) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae; Jun, Young-Bae Rank preserver of Boolean matrices. (English) Zbl 1082.15003 Bull. Korean Math. Soc. 42, No. 3, 501-507 (2005). Reviewer: Bojan Kuzma (Ljubljana) MSC: 15A04 15A23 15A03 15B36 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Bull. Korean Math. Soc. 42, No. 3, 501--507 (2005; Zbl 1082.15003) Full Text: DOI
Song, Seok-Zun Separability of distinct Boolean rank-1 matrices. (English) Zbl 1083.15017 J. Appl. Math. Comput. 18, No. 1-2, 197-204 (2005). Reviewer: Huberta Lausch (Grafing) MSC: 15A23 15A03 15B36 05B20 06E30 PDFBibTeX XMLCite \textit{S.-Z. Song}, J. Appl. Math. Comput. 18, No. 1--2, 197--204 (2005; Zbl 1083.15017) Full Text: DOI
Beasley, LeRoy B.; Guterman, Alexander E.; Lee, Sang-Gu; Song, Seok-Zun Linear preservers of zeros of matrix polynomials. (English) Zbl 1076.15003 Linear Algebra Appl. 401, 325-340 (2005). Reviewer: Valeriu Prepeliţă (Bucureşti) MSC: 15A04 15A24 15B33 15A54 16Y60 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Linear Algebra Appl. 401, 325--340 (2005; Zbl 1076.15003) Full Text: DOI
Beasley, Leroy B.; Song, Seok-Zun; Kang, Kyung-Tae; Sarma, B. K. Column ranks and their preservers over nonnegative real matrices. (English) Zbl 1070.15001 Linear Algebra Appl. 399, 3-16 (2005). Reviewer: Ki Hang Kim (Montgomery) MSC: 15A03 15A04 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Linear Algebra Appl. 399, 3--16 (2005; Zbl 1070.15001) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae; Yi, Sucheol Perimeter preservers of nonnegative integer matrices. (English) Zbl 1099.15001 Commentat. Math. Univ. Carol. 45, No. 1, 9-15 (2004). Reviewer: Jan Zítko (Praha) MSC: 15A04 15B48 15B36 15A30 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Commentat. Math. Univ. Carol. 45, No. 1, 9--15 (2004; Zbl 1099.15001) Full Text: EuDML EMIS
Beasley, LeRoy B.; Guterman, Alexander E.; Lee, Sang-Gu; Song, Seok-Zun Linear transformations preserving the Grassmannian over \(\mathcal M_n(\mathbb Z_+)\). (English) Zbl 1067.15001 Linear Algebra Appl. 393, 39-46 (2004). Reviewer: Václav Burjan (Praha) MSC: 15A04 15A30 15A75 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Linear Algebra Appl. 393, 39--46 (2004; Zbl 1067.15001) Full Text: DOI
Beasley, LeRoy B.; Jun, Young-Bae; Song, Seok-Zun Zero-term ranks of real matrices and their preservers. (English) Zbl 1051.15001 Czech. Math. J. 54, No. 1, 183-188 (2004). MSC: 15A03 15A04 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Czech. Math. J. 54, No. 1, 183--188 (2004; Zbl 1051.15001) Full Text: DOI EuDML
Song, Seok-Zun; Beasley, LeRoy B.; Cheon, Gi-Sang; Jun, Young-Bae Rank and perimeter preservers of Boolean rank-1 matrices. (English) Zbl 1055.15004 J. Korean Math. Soc. 41, No. 2, 397-406 (2004). Reviewer: Grosio Stanilov (Sofia) MSC: 15A03 15A04 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., J. Korean Math. Soc. 41, No. 2, 397--406 (2004; Zbl 1055.15004) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae Rank and perimeter preserver of rank-1 matrices over max algebra. (English) Zbl 1059.15008 Discuss. Math., Gen. Algebra Appl. 23, No. 2, 125-137 (2003). Reviewer: John D. Dixon (Ottawa) MSC: 15A04 15B33 16Y60 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{K.-T. Kang}, Discuss. Math., Gen. Algebra Appl. 23, No. 2, 125--137 (2003; Zbl 1059.15008) Full Text: DOI Link
Song, Seok-Zun; Kang, Kyung-Tae Column ranks and their preservers of matrices over max algebra. (English) Zbl 1055.15005 Linear Multilinear Algebra 51, No. 3, 311-318 (2003). Reviewer: Grosio Stanilov (Sofia) MSC: 15A03 15A04 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{K.-T. Kang}, Linear Multilinear Algebra 51, No. 3, 311--318 (2003; Zbl 1055.15005) Full Text: DOI
Song, Seok-Zun; Beasley, LeRoy B. Linear operators that preserve commuting pairs of nonnegative real matrices. (English) Zbl 1055.15003 Linear Multilinear Algebra 51, No. 3, 279-283 (2003). Reviewer: Grosio Stanilov (Sofia) MSC: 15A03 15A04 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{L. B. Beasley}, Linear Multilinear Algebra 51, No. 3, 279--283 (2003; Zbl 1055.15003) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae Maximal column ranks and their preservers of matrices over max algebra. (English) Zbl 1043.15003 J. Korean Math. Soc. 40, No. 6, 943-950 (2003). Reviewer: Yueh-er Kuo (Knoxville) MSC: 15A03 15A04 15A30 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{K.-T. Kang}, J. Korean Math. Soc. 40, No. 6, 943--950 (2003; Zbl 1043.15003) Full Text: DOI
Cheon, Gi-Sang; Hwang, Suk-Geun; Rim, Seog-Hoon; Shader, Bryan L.; Song, Seok-Zun Sparse orthogonal matrices. (English) Zbl 1035.15022 Linear Algebra Appl. 373, 211-222 (2003). Reviewer: Yueh-er Kuo (Knoxville) MSC: 15B57 PDFBibTeX XMLCite \textit{G.-S. Cheon} et al., Linear Algebra Appl. 373, 211--222 (2003; Zbl 1035.15022) Full Text: DOI
Song, Seok-Zun; Hwang, Suk-Geun; Rim, Seog-Hoon; Cheon, Gi-Sang Extremes of permanents of \((0,1)\)-matrices. (English) Zbl 1048.15009 Linear Algebra Appl. 373, 197-210 (2003). Reviewer: Alexander Guterman (Moskva) MSC: 15A15 05B20 15B36 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Linear Algebra Appl. 373, 197--210 (2003; Zbl 1048.15009) Full Text: DOI
Cheon, Gi-Sang; Hwang, Suk-Geun; Rim, Seog-Hoon; Song, Seok-Zun Matrices determined by a linear recurrence relation among entries. (English) Zbl 1026.05003 Linear Algebra Appl. 373, 89-99 (2003). MSC: 05A15 15B57 05A10 05B20 PDFBibTeX XMLCite \textit{G.-S. Cheon} et al., Linear Algebra Appl. 373, 89--99 (2003; Zbl 1026.05003) Full Text: DOI
Cheon, Gi-Sang; Hwang, Suk-Geun; Shader, Bryan L.; Song, Seok-Zun Permanents of woven matrices. (English) Zbl 1020.15006 Linear Algebra Appl. 364, 223-233 (2003). Reviewer: Alexander Kovačec (Coimbra) MSC: 15A15 05C50 05B20 15B36 PDFBibTeX XMLCite \textit{G.-S. Cheon} et al., Linear Algebra Appl. 364, 223--233 (2003; Zbl 1020.15006) Full Text: DOI
Cheon, Gi-Sang; Hwang, Suk-Geun; Song, Seok-Zun Rook polynomials to and from permanents. (English) Zbl 1019.15001 Discrete Math. 264, No. 1-3, 25-36 (2003). Reviewer: Arnold Richard Kräuter (Leoben) MSC: 15A15 15B57 PDFBibTeX XMLCite \textit{G.-S. Cheon} et al., Discrete Math. 264, No. 1--3, 25--36 (2003; Zbl 1019.15001) Full Text: DOI
Song, Seok-Zun; Jun, Young-Bae Minimum permanents of tridiagonal doubly stochastic matrices. (English) Zbl 1016.15018 Linear Multilinear Algebra 50, No. 4, 301-306 (2002). Reviewer: Václav Burjan (Praha) MSC: 15B51 15A15 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{Y.-B. Jun}, Linear Multilinear Algebra 50, No. 4, 301--306 (2002; Zbl 1016.15018) Full Text: DOI
Beasley, LeRoy B.; Lee, Sang-Gu; Song, Seok-Zun Linear operators that preserve pairs of matrices which satisfy extreme rank properties. (English) Zbl 1004.15025 Linear Algebra Appl. 350, No. 1-3, 263-272 (2002). Reviewer: Alexey Alimov (Moskva) MSC: 15A60 15A45 15A03 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Linear Algebra Appl. 350, No. 1--3, 263--272 (2002; Zbl 1004.15025) Full Text: DOI
Song, Seok-Zun; Hwang, Suk-Geun; Cheon, Gi-Sang Minimum permanents on a face of the polytope of doubly stochastic matrices. II. (English) Zbl 1001.15015 Linear Multilinear Algebra 50, No. 2, 101-111 (2002). MSC: 15B51 15A15 PDFBibTeX XMLCite \textit{S.-Z. Song} et al., Linear Multilinear Algebra 50, No. 2, 101--111 (2002; Zbl 1001.15015) Full Text: DOI
Beasley, Leroy B.; Song, Seok-Zun Linear operators that preserve zero-term rank over fields and rings. (English) Zbl 0998.15005 Linear Algebra Appl. 341, No. 1-3, 143-149 (2002). Reviewer: J.D.Dixon (Ottawa) MSC: 15A04 15A03 15B33 PDFBibTeX XMLCite \textit{L. B. Beasley} and \textit{S.-Z. Song}, Linear Algebra Appl. 341, No. 1--3, 143--149 (2002; Zbl 0998.15005) Full Text: DOI
Song, Seok-Zun; Kang, Kyung-Tae Types and enumerations of idempotent matrices. (English) Zbl 1003.15012 Far East J. Math. Sci. (FJMS) 3, No. 6, 1029-1042 (2001). Reviewer: J.D.Dixon (Ottawa) MSC: 15B33 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{K.-T. Kang}, Far East J. Math. Sci. (FJMS) 3, No. 6, 1029--1042 (2001; Zbl 1003.15012)
Song, Seok-Zun; Park, Soo-Roh Maximal column rank preservers of fuzzy matrices. (English) Zbl 1006.15018 Discuss. Math., Gen. Algebra Appl. 21, No. 2, 207-218 (2001). Reviewer: Václav Burjan (Praha) MSC: 15B33 08A72 16Y60 15A03 15A04 PDFBibTeX XMLCite \textit{S.-Z. Song} and \textit{S.-R. Park}, Discuss. Math., Gen. Algebra Appl. 21, No. 2, 207--218 (2001; Zbl 1006.15018) Full Text: DOI Link
Beasley, Leroy B.; Song, Seok-Zun; Lee, Sang-Gu Zero-term rank preservers. (English) Zbl 0987.15002 Linear Multilinear Algebra 48, No. 4, 313-318 (2001). Reviewer: Yueh-er Kuo (Knoxville) MSC: 15A04 15A03 PDFBibTeX XMLCite \textit{L. B. Beasley} et al., Linear Multilinear Algebra 48, No. 4, 313--318 (2001; Zbl 0987.15002) Full Text: DOI
Kim, Jin-Soo; Lee, Sang-Gu; Lee, Gwang-Yeon; Song, Seok-Zun On the spectral norm and eigenvalues of \(W_c\)-companion matrices. (English) Zbl 1051.15008 Int. J. Appl. Math. 2, No. 9, 1061-1072 (2000). MSC: 15A18 15A42 15A60 15A23 PDFBibTeX XMLCite \textit{J.-S. Kim} et al., Int. J. Appl. Math. 2, No. 9, 1061--1072 (2000; Zbl 1051.15008)