Gabrani, Mehran; Rezaei, Bahman; Sevim, Esra Sengelen Isotropic mean Berwald Finsler warped product metrics. (English) Zbl 07780359 Bull. Korean Math. Soc. 60, No. 6, 1641-1650 (2023). MSC: 53C25 53C60 PDFBibTeX XMLCite \textit{M. Gabrani} et al., Bull. Korean Math. Soc. 60, No. 6, 1641--1650 (2023; Zbl 07780359) Full Text: DOI
Yan, Zaili; Zhou, Tao Homogeneous geodesics in homogeneous sub-Finsler manifolds. (English) Zbl 07780357 Bull. Korean Math. Soc. 60, No. 6, 1607-1620 (2023). Reviewer: V. K. Chaubey (Gorakhpur) MSC: 53C17 53C60 53C22 PDFBibTeX XMLCite \textit{Z. Yan} and \textit{T. Zhou}, Bull. Korean Math. Soc. 60, No. 6, 1607--1620 (2023; Zbl 07780357) Full Text: DOI
Cherif, Ahmed Mohammed; Mouffoki, Khadidja \(p\)-biharmonic hypersurfaces in Einstein space and conformally flat space. (English) Zbl 1528.53058 Bull. Korean Math. Soc. 60, No. 3, 705-715 (2023). MSC: 53C40 53C43 53C42 58E20 53C25 PDFBibTeX XMLCite \textit{A. M. Cherif} and \textit{K. Mouffoki}, Bull. Korean Math. Soc. 60, No. 3, 705--715 (2023; Zbl 1528.53058) Full Text: DOI arXiv
Kumar, Sangeet; Pruthi, Megha Classification of twisted product lightlike submanifolds. (English) Zbl 07770010 Bull. Korean Math. Soc. 60, No. 4, 1003-1016 (2023). Reviewer: Zdeněk Dušek (České Budějovice) MSC: 53B30 53B25 53B35 PDFBibTeX XMLCite \textit{S. Kumar} and \textit{M. Pruthi}, Bull. Korean Math. Soc. 60, No. 4, 1003--1016 (2023; Zbl 07770010) Full Text: DOI
Jeong, Imsoon; Kim, Gyu Jong; Woo, Changhwa Semi-symmetric structure Jacobi operator for real hypersurfaces in the complex quadric. (English) Zbl 1528.53059 Bull. Korean Math. Soc. 60, No. 4, 849-861 (2023). MSC: 53C40 53C55 32S25 PDFBibTeX XMLCite \textit{I. Jeong} et al., Bull. Korean Math. Soc. 60, No. 4, 849--861 (2023; Zbl 1528.53059) Full Text: DOI
Gou, Gaoshun; Jiang, Yueping; Platis, Ioannis D. Bisectors in the Heisenberg group. I. (English) Zbl 1519.22005 Bull. Korean Math. Soc. 60, No. 1, 225-235 (2023). Reviewer: Alejandro Gil-García (Hamburg) MSC: 22E25 51M10 53A10 53C17 57M50 PDFBibTeX XMLCite \textit{G. Gou} et al., Bull. Korean Math. Soc. 60, No. 1, 225--235 (2023; Zbl 1519.22005) Full Text: DOI arXiv
An, Huihui; Yan, Zaili; Zhang, Shaoxiang S-curvature and geodesic orbit property of invariant \((\alpha_1,\alpha_2)\)-metrics on spheres. (English) Zbl 1515.53071 Bull. Korean Math. Soc. 60, No. 1, 33-46 (2023). Reviewer: Ranadip Gangopadhyay (S.A.S. Nagar) MSC: 53C60 53C30 53C22 PDFBibTeX XMLCite \textit{H. An} et al., Bull. Korean Math. Soc. 60, No. 1, 33--46 (2023; Zbl 1515.53071) Full Text: DOI
Chen, Xiaomin; Yang, Yifan Hopf hypersurfaces of the homogeneous nearly Kähler \(\mathbb{S}^3 \times\mathbb{S}^3\) satisfying certain commuting conditions. (English) Zbl 1519.53021 Bull. Korean Math. Soc. 59, No. 6, 1567-1594 (2022). Reviewer: Quanting Zhao (Wuhan) MSC: 53B35 53C30 53A45 PDFBibTeX XMLCite \textit{X. Chen} and \textit{Y. Yang}, Bull. Korean Math. Soc. 59, No. 6, 1567--1594 (2022; Zbl 1519.53021) Full Text: DOI
Wang, Yaning A new characterization of type \((A)\) and ruled real hypersurfaces in nonflat complex space forms. (English) Zbl 1501.53017 Bull. Korean Math. Soc. 59, No. 4, 897-904 (2022). MSC: 53B25 53C30 32V40 PDFBibTeX XMLCite \textit{Y. Wang}, Bull. Korean Math. Soc. 59, No. 4, 897--904 (2022; Zbl 1501.53017) Full Text: DOI
Cho, Jong Taek; Chun, Sun Hyang; Euh, Yunhee Integrability of an almost complex structure on \(S^4\times_f V^2\). (English) Zbl 1501.53028 Bull. Korean Math. Soc. 59, No. 4, 801-810 (2022). MSC: 53C15 53C21 53C55 PDFBibTeX XMLCite \textit{J. T. Cho} et al., Bull. Korean Math. Soc. 59, No. 4, 801--810 (2022; Zbl 1501.53028) Full Text: DOI
de Lima, Henrique F.; dos Santos, Fábio R.; Rocha, Lucas S. A sharp integral inequality for compact linear Weingarten hypersurfaces. (English) Zbl 1489.53087 Bull. Korean Math. Soc. 59, No. 3, 789-799 (2022). MSC: 53C42 53C25 53C35 PDFBibTeX XMLCite \textit{H. F. de Lima} et al., Bull. Korean Math. Soc. 59, No. 3, 789--799 (2022; Zbl 1489.53087) Full Text: DOI
Gupta, Garima; Kumar, Rakesh; Rani, Rachna; Sachdeva, Rashmi Harmonicity of almost Norden submersions between almost Norden manifolds. (English) Zbl 1492.53036 Bull. Korean Math. Soc. 59, No. 2, 375-395 (2022). MSC: 53C15 53C43 PDFBibTeX XMLCite \textit{G. Gupta} et al., Bull. Korean Math. Soc. 59, No. 2, 375--395 (2022; Zbl 1492.53036) Full Text: DOI
Wang, Yu-Zhao Perelman type entropy formulae and differential Harnack estimates for weighted doubly nonlinear diffusion equations under curvature dimension condition. (English) Zbl 1490.58012 Bull. Korean Math. Soc. 58, No. 6, 1539-1561 (2021). Reviewer: Shu-Yu Hsu (Chiayi) MSC: 58J35 35K92 35K55 PDFBibTeX XMLCite \textit{Y.-Z. Wang}, Bull. Korean Math. Soc. 58, No. 6, 1539--1561 (2021; Zbl 1490.58012) Full Text: DOI
Guo, Hongxin; Zhu, Chengzhe An interpolating Harnack inequality for nonlinear heat equation on a surface. (English) Zbl 1476.35062 Bull. Korean Math. Soc. 58, No. 4, 909-914 (2021). MSC: 35B45 35K55 35R01 53E20 PDFBibTeX XMLCite \textit{H. Guo} and \textit{C. Zhu}, Bull. Korean Math. Soc. 58, No. 4, 909--914 (2021; Zbl 1476.35062) Full Text: DOI
Jiao, Guocheng; Yan, Zaili Algebraic Ricci solitons in the Finslerian case. (English) Zbl 1480.53087 Bull. Korean Math. Soc. 58, No. 4, 853-863 (2021). MSC: 53C60 53C30 53C25 PDFBibTeX XMLCite \textit{G. Jiao} and \textit{Z. Yan}, Bull. Korean Math. Soc. 58, No. 4, 853--863 (2021; Zbl 1480.53087) Full Text: DOI
Minh, Le Anh Admissible inertial manifolds for infinite delay evolution equations. (English) Zbl 1479.34120 Bull. Korean Math. Soc. 58, No. 3, 669-688 (2021). MSC: 34K19 34K30 PDFBibTeX XMLCite \textit{L. A. Minh}, Bull. Korean Math. Soc. 58, No. 3, 669--688 (2021; Zbl 1479.34120) Full Text: DOI
Zhou, Jiuru Direct sum for basic cohomology of codimension four taut Riemannian foliation. (English) Zbl 1457.32067 Bull. Korean Math. Soc. 57, No. 6, 1501-1509 (2020). Reviewer: Luca Vitagliano (Fisciano) MSC: 32Q60 53C12 PDFBibTeX XMLCite \textit{J. Zhou}, Bull. Korean Math. Soc. 57, No. 6, 1501--1509 (2020; Zbl 1457.32067) Full Text: DOI arXiv
Eker, Serhan Seiberg-Witten-like equations on the strictly pseudoconvex \(CR\)-3 manifolds. (English) Zbl 1434.53055 Bull. Korean Math. Soc. 56, No. 6, 1551-1567 (2019). Reviewer: Georges Habib (Fanar) MSC: 53C27 15A66 34L40 57R57 32V20 53D45 PDFBibTeX XMLCite \textit{S. Eker}, Bull. Korean Math. Soc. 56, No. 6, 1551--1567 (2019; Zbl 1434.53055) Full Text: DOI
Zhao, Guangwen A monotonicity formula and a Liouville type theorem of \(V\)-harmonic maps. (English) Zbl 1428.58016 Bull. Korean Math. Soc. 56, No. 5, 1327-1340 (2019). MSC: 58E20 53C43 35B53 53C55 PDFBibTeX XMLCite \textit{G. Zhao}, Bull. Korean Math. Soc. 56, No. 5, 1327--1340 (2019; Zbl 1428.58016) Full Text: DOI
Ji, Xiu; Li, Tongzhu A note on compact Möbius homogeneous submanifolds in \(\mathbb{S}^{n+1}\). (English) Zbl 1418.53013 Bull. Korean Math. Soc. 56, No. 3, 681-689 (2019). MSC: 53A30 53C30 PDFBibTeX XMLCite \textit{X. Ji} and \textit{T. Li}, Bull. Korean Math. Soc. 56, No. 3, 681--689 (2019; Zbl 1418.53013) Full Text: DOI
Wang, Yaning Curvature homogeneity and ball-homogeneity on almost coKähler 3-manifolds. (English) Zbl 1418.53058 Bull. Korean Math. Soc. 56, No. 1, 253-263 (2019). MSC: 53C30 53C25 53C15 PDFBibTeX XMLCite \textit{Y. Wang}, Bull. Korean Math. Soc. 56, No. 1, 253--263 (2019; Zbl 1418.53058) Full Text: DOI
Massamba, Fortuné; Ssekajja, Samuel Some integrations on null hypersurfaces in Lorentzian manifolds. (English) Zbl 1427.53072 Bull. Korean Math. Soc. 56, No. 1, 229-243 (2019). Reviewer: John Urbas (Canberra) MSC: 53C40 53C50 53C12 PDFBibTeX XMLCite \textit{F. Massamba} and \textit{S. Ssekajja}, Bull. Korean Math. Soc. 56, No. 1, 229--243 (2019; Zbl 1427.53072) Full Text: DOI
Chung, Kuerak; Han, Chong-Kyu Nullity of the Levi-form and the associated subvarieties for pseudo-convex CR structures of hypersurface type. (English) Zbl 1422.32037 Bull. Korean Math. Soc. 56, No. 1, 169-178 (2019). MSC: 32V05 53A55 32V25 35N10 PDFBibTeX XMLCite \textit{K. Chung} and \textit{C.-K. Han}, Bull. Korean Math. Soc. 56, No. 1, 169--178 (2019; Zbl 1422.32037) Full Text: DOI arXiv
Heidari, Mojtaba; Mirzaie, Reza Polarity of cohomogeneity two actions on negatively curved space forms. (English) Zbl 1404.53068 Bull. Korean Math. Soc. 55, No. 5, 1433-1440 (2018). Reviewer: V. V. Gorbatsevich (Moskva) MSC: 53C30 57S25 PDFBibTeX XMLCite \textit{M. Heidari} and \textit{R. Mirzaie}, Bull. Korean Math. Soc. 55, No. 5, 1433--1440 (2018; Zbl 1404.53068) Full Text: Link
Jin, Dae Ho Generic lightlike submanifolds of an indefinite Kaehler manifold with a quarter-symmetric metric connection. (English) Zbl 1395.53065 Bull. Korean Math. Soc. 55, No. 2, 515-531 (2018). MSC: 53C40 53C25 53B30 53B35 PDFBibTeX XMLCite \textit{D. H. Jin}, Bull. Korean Math. Soc. 55, No. 2, 515--531 (2018; Zbl 1395.53065) Full Text: Link
Kim, Jaeman Notes on weakly cyclic \(Z\)-symmetric manifolds. (English) Zbl 1393.53016 Bull. Korean Math. Soc. 55, No. 1, 227-237 (2018). MSC: 53B20 53A55 53C15 PDFBibTeX XMLCite \textit{J. Kim}, Bull. Korean Math. Soc. 55, No. 1, 227--237 (2018; Zbl 1393.53016) Full Text: Link
Gezer, Aydin; Turanli, Sibel On nearly paraKähler manifolds. (English) Zbl 1391.53083 Bull. Korean Math. Soc. 55, No. 3, 871-879 (2018). MSC: 53C55 53C05 PDFBibTeX XMLCite \textit{A. Gezer} and \textit{S. Turanli}, Bull. Korean Math. Soc. 55, No. 3, 871--879 (2018; Zbl 1391.53083) Full Text: Link
Sun, Zhongyang Closed convex spacelike hypersurfaces in locally symmetric Lorentz spaces. (English) Zbl 1427.53088 Bull. Korean Math. Soc. 54, No. 6, 2001-2011 (2017). Reviewer: John Urbas (Canberra) MSC: 53C50 53C24 53C20 53C42 PDFBibTeX XMLCite \textit{Z. Sun}, Bull. Korean Math. Soc. 54, No. 6, 2001--2011 (2017; Zbl 1427.53088) Full Text: DOI
Sun, Aihui; Wang, Jian; Wang, Yong A family resolvent cocycle and higher spectral flow. (English) Zbl 1404.58036 Bull. Korean Math. Soc. 54, No. 4, 1387-1407 (2017). Reviewer: Peter Haskell (Blacksburg) MSC: 58J30 58J20 46L87 58B34 PDFBibTeX XMLCite \textit{A. Sun} et al., Bull. Korean Math. Soc. 54, No. 4, 1387--1407 (2017; Zbl 1404.58036) Full Text: DOI Link
Deng, Shaoqiang; Liu, Xingda On homogeneous square Einstein metrics. (English) Zbl 1375.53065 Bull. Korean Math. Soc. 54, No. 3, 967-973 (2017). MSC: 53C30 22E46 53C80 PDFBibTeX XMLCite \textit{S. Deng} and \textit{X. Liu}, Bull. Korean Math. Soc. 54, No. 3, 967--973 (2017; Zbl 1375.53065) Full Text: DOI
Kim, Sinhwi; Park, JeongHyeong Characteristic function of symmetric Damek-Ricci space. (English) Zbl 1373.53063 Bull. Korean Math. Soc. 54, No. 3, 911-916 (2017). MSC: 53C25 53C35 PDFBibTeX XMLCite \textit{S. Kim} and \textit{J. Park}, Bull. Korean Math. Soc. 54, No. 3, 911--916 (2017; Zbl 1373.53063) Full Text: DOI
Gülbahar, Mehmet Screen isotropic leaves on lightlike hypersurfaces of a Lorentzian manifold. (English) Zbl 1373.53077 Bull. Korean Math. Soc. 54, No. 2, 429-442 (2017). MSC: 53C40 53C50 PDFBibTeX XMLCite \textit{M. Gülbahar}, Bull. Korean Math. Soc. 54, No. 2, 429--442 (2017; Zbl 1373.53077) Full Text: DOI
Jin, Dae Ho Lightlike hypersurfaces of an indefinite trans-Sasakian manifold with a non-metric \(\phi\)-symmetric connection. (English) Zbl 1356.53028 Bull. Korean Math. Soc. 53, No. 6, 1771-1783 (2016). MSC: 53B25 53C25 53B30 PDFBibTeX XMLCite \textit{D. H. Jin}, Bull. Korean Math. Soc. 53, No. 6, 1771--1783 (2016; Zbl 1356.53028) Full Text: DOI
Zhang, Yong-Chao Option pricing under general geometric Riemannian Brownian motions. (English) Zbl 1349.91289 Bull. Korean Math. Soc. 53, No. 5, 1411-1425 (2016). MSC: 91G20 58J65 60H30 PDFBibTeX XMLCite \textit{Y.-C. Zhang}, Bull. Korean Math. Soc. 53, No. 5, 1411--1425 (2016; Zbl 1349.91289) Full Text: DOI Link
Lungiambudila, Oscar; Massamba, Fortuné; Tossa, Joel Equivalence conditions of symmetry properties in lightlike hypersurfaces of indefinite Kenmotsu manifolds. (English) Zbl 1347.53017 Bull. Korean Math. Soc. 53, No. 4, 1259-1280 (2016). Reviewer: Andrew Bucki (Edmond) MSC: 53B25 53C25 53C40 53C50 PDFBibTeX XMLCite \textit{O. Lungiambudila} et al., Bull. Korean Math. Soc. 53, No. 4, 1259--1280 (2016; Zbl 1347.53017) Full Text: DOI Link
Cho, Jong Taek Reeb flow symmetry on almost cosymplectic three-manifolds. (English) Zbl 1345.53030 Bull. Korean Math. Soc. 53, No. 4, 1249-1257 (2016). MSC: 53C15 53D05 53C30 PDFBibTeX XMLCite \textit{J. T. Cho}, Bull. Korean Math. Soc. 53, No. 4, 1249--1257 (2016; Zbl 1345.53030) Full Text: DOI Link
Sasahara, Toru A short note on biharmonic submanifolds in 3-dimensional generalized \((\kappa, \mu)\)-manifolds. (English) Zbl 1342.53086 Bull. Korean Math. Soc. 53, No. 3, 723-732 (2016). MSC: 53C42 53B25 53C15 PDFBibTeX XMLCite \textit{T. Sasahara}, Bull. Korean Math. Soc. 53, No. 3, 723--732 (2016; Zbl 1342.53086) Full Text: DOI arXiv Link
Euh, Yunhee; Sekigawa, Kouei Notes on a question raised by E. Calabi. (English) Zbl 1335.53035 Bull. Korean Math. Soc. 53, No. 1, 83-90 (2016). MSC: 53C15 53C21 53C55 PDFBibTeX XMLCite \textit{Y. Euh} and \textit{K. Sekigawa}, Bull. Korean Math. Soc. 53, No. 1, 83--90 (2016; Zbl 1335.53035) Full Text: DOI Link
Kuessner, Thilo Multicomplexes, bounded cohomology and additivity of simplicial volume. (English) Zbl 1345.57030 Bull. Korean Math. Soc. 52, No. 6, 1855-1899 (2015). Reviewer: Jonathan Hodgson (Swarthmore) MSC: 57N65 53C99 PDFBibTeX XMLCite \textit{T. Kuessner}, Bull. Korean Math. Soc. 52, No. 6, 1855--1899 (2015; Zbl 1345.57030) Full Text: DOI arXiv
Cho, Jong Taek Notes on real hypersurfaces in a complex space form. (English) Zbl 1309.53019 Bull. Korean Math. Soc. 52, No. 1, 335-344 (2015). MSC: 53B25 53C30 PDFBibTeX XMLCite \textit{J. T. Cho}, Bull. Korean Math. Soc. 52, No. 1, 335--344 (2015; Zbl 1309.53019) Full Text: DOI Link
Erken, İrem Küpeli; Murathan, Cengizhan On slant Riemannian submersions for cosymplectic manifolds. (English) Zbl 1311.53036 Bull. Korean Math. Soc. 51, No. 6, 1749-1771 (2014). Reviewer: Ye-Lin Ou (Commerce) MSC: 53C20 53C55 53D05 PDFBibTeX XMLCite \textit{İ. K. Erken} and \textit{C. Murathan}, Bull. Korean Math. Soc. 51, No. 6, 1749--1771 (2014; Zbl 1311.53036) Full Text: DOI arXiv Link
Jin, Dae Ho Indefinite generalized Sasakian space form admitting a generic lightlike submanifold. (English) Zbl 1316.53053 Bull. Korean Math. Soc. 51, No. 6, 1711-1726 (2014). Reviewer: Zbigniew Olszak (Wrocław) MSC: 53C25 53C40 53C50 PDFBibTeX XMLCite \textit{D. H. Jin}, Bull. Korean Math. Soc. 51, No. 6, 1711--1726 (2014; Zbl 1316.53053) Full Text: DOI Link
Agricola, Ilka; Kim, Hwajeong A note on generalized Dirac eigenvalues for split holonomy and torsion. (English) Zbl 1317.53068 Bull. Korean Math. Soc. 51, No. 6, 1579-1589 (2014). Reviewer: Marian Hotloś (Wrocław) MSC: 53C27 53C25 53C29 PDFBibTeX XMLCite \textit{I. Agricola} and \textit{H. Kim}, Bull. Korean Math. Soc. 51, No. 6, 1579--1589 (2014; Zbl 1317.53068) Full Text: DOI arXiv Link
Kim, Hyang Sook; Pak, Jin Suk Codimension reduction for submanifolds of unit \((4m+3)\)-sphere and its applications. (English) Zbl 1300.53058 Bull. Korean Math. Soc. 51, No. 5, 1375-1397 (2014). MSC: 53C40 53C30 PDFBibTeX XMLCite \textit{H. S. Kim} and \textit{J. S. Pak}, Bull. Korean Math. Soc. 51, No. 5, 1375--1397 (2014; Zbl 1300.53058) Full Text: DOI Link
Lee, Jae Won; Sahin, Bayram Pointwise slant submersions. (English) Zbl 1296.53055 Bull. Korean Math. Soc. 51, No. 4, 1115-1126 (2014). MSC: 53C15 53B20 53C43 PDFBibTeX XMLCite \textit{J. W. Lee} and \textit{B. Sahin}, Bull. Korean Math. Soc. 51, No. 4, 1115--1126 (2014; Zbl 1296.53055) Full Text: DOI Link
Jin, Dae Ho Half lightlike submanifolds of an indefinite trans-Sasakian manifold. (English) Zbl 1296.53118 Bull. Korean Math. Soc. 51, No. 4, 979-994 (2014). MSC: 53C40 53C25 53C50 PDFBibTeX XMLCite \textit{D. H. Jin}, Bull. Korean Math. Soc. 51, No. 4, 979--994 (2014; Zbl 1296.53118) Full Text: DOI Link
Tayebi, Akbar; Tabatabaeifar, Tayebeh; Peyghan, Esmaeil On the second approximate Matsumoto metric. (English) Zbl 1285.53016 Bull. Korean Math. Soc. 51, No. 1, 115-128 (2014). Reviewer: Mihai Anastasiei (Iaşi) MSC: 53B40 53C60 53C25 PDFBibTeX XMLCite \textit{A. Tayebi} et al., Bull. Korean Math. Soc. 51, No. 1, 115--128 (2014; Zbl 1285.53016) Full Text: DOI arXiv Link
Kang, Yong Han; Jeong, Jin-Mun Perturbation results for hyperbolic evolution systems in Hilbert spaces. (English) Zbl 1296.34139 Bull. Korean Math. Soc. 51, No. 1, 13-27 (2014). Reviewer: Lan Nguyen (Bowling Green/KY) MSC: 34G10 35L15 58J37 34D10 PDFBibTeX XMLCite \textit{Y. H. Kang} and \textit{J.-M. Jeong}, Bull. Korean Math. Soc. 51, No. 1, 13--27 (2014; Zbl 1296.34139) Full Text: DOI Link
Wang, Yong Curvature of multiply warped products with an affine connection. (English) Zbl 1281.53072 Bull. Korean Math. Soc. 50, No. 5, 1567-1586 (2013). MSC: 53C50 53B05 53C25 PDFBibTeX XMLCite \textit{Y. Wang}, Bull. Korean Math. Soc. 50, No. 5, 1567--1586 (2013; Zbl 1281.53072) Full Text: DOI arXiv Link
Kim, Do-Hyung; Kim, Byung Hak On null cut points in two-dimensional spacetimes. (English) Zbl 1283.53023 Bull. Korean Math. Soc. 50, No. 2, 441-444 (2013). Reviewer: Zdeněk Dušek (Hradec Kralove) MSC: 53B30 53C50 PDFBibTeX XMLCite \textit{D.-H. Kim} and \textit{B. H. Kim}, Bull. Korean Math. Soc. 50, No. 2, 441--444 (2013; Zbl 1283.53023) Full Text: DOI Link
Xu, Changjin; Tang, Xianhua; Liao, Maoxin Bifurcation analysis of a delayed predator-prey model of prey migration and predator switching. (English) Zbl 1284.34121 Bull. Korean Math. Soc. 50, No. 2, 353-373 (2013). Reviewer: Paul Georgescu (Iaşi) MSC: 34K60 34K20 34K18 92D25 34K17 34K19 PDFBibTeX XMLCite \textit{C. Xu} et al., Bull. Korean Math. Soc. 50, No. 2, 353--373 (2013; Zbl 1284.34121) Full Text: DOI Link
Jin, Dae Ho Einstein lightlike hypersurfaces of a Lorentz space form with a semi-symmetric non-metric connection. (English) Zbl 1373.53079 Bull. Korean Math. Soc. 50, No. 4, 1367-1376 (2013). MSC: 53C40 53C25 53C50 PDFBibTeX XMLCite \textit{D. H. Jin}, Bull. Korean Math. Soc. 50, No. 4, 1367--1376 (2013; Zbl 1373.53079) Full Text: DOI Link
Yoon, Dae Won; Lee, Chul Woo; Karacan, Murat Kemal Some translation surfaces in the 3-dimensional Heisenberg group. (English) Zbl 1281.53024 Bull. Korean Math. Soc. 50, No. 4, 1329-1343 (2013). Reviewer: Krishan Lal Duggal (Windsor) MSC: 53B25 53C30 PDFBibTeX XMLCite \textit{D. W. Yoon} et al., Bull. Korean Math. Soc. 50, No. 4, 1329--1343 (2013; Zbl 1281.53024) Full Text: DOI Link
Kumar, Sangeet; Kumar, Rakesh; Nagaich, R. K. GCR-lightlike submanifolds of indefinite nearly Kaehler manifolds. (English) Zbl 1373.53080 Bull. Korean Math. Soc. 50, No. 4, 1173-1192 (2013). MSC: 53C40 53C15 53C50 PDFBibTeX XMLCite \textit{S. Kumar} et al., Bull. Korean Math. Soc. 50, No. 4, 1173--1192 (2013; Zbl 1373.53080) Full Text: DOI Link
Lucas, Pascual; Ortega-Yagües, Jose Antonio Bertrand curves in non-flat 3-dimensional (Riemannian or Lorentzian) space forms. (English) Zbl 1272.53010 Bull. Korean Math. Soc. 50, No. 4, 1109-1126 (2013). MSC: 53B25 53C50 53B30 PDFBibTeX XMLCite \textit{P. Lucas} and \textit{J. A. Ortega-Yagües}, Bull. Korean Math. Soc. 50, No. 4, 1109--1126 (2013; Zbl 1272.53010) Full Text: DOI Link
Park, Kwang-Soon; Prasad, Rajendra Semi-slant submersions. (English) Zbl 1273.53023 Bull. Korean Math. Soc. 50, No. 3, 951-962 (2013). Reviewer: Beniamino Cappelletti Montano (Cagliari) MSC: 53C15 53C43 PDFBibTeX XMLCite \textit{K.-S. Park} and \textit{R. Prasad}, Bull. Korean Math. Soc. 50, No. 3, 951--962 (2013; Zbl 1273.53023) Full Text: DOI arXiv Link
Yang, Jae-Hyun; Yong, Young-Hoon; Huh, Su-Na; Shin, Jung-Hee; Min, Gil-Hong Sectional survatures of the Siegel-Jacobi space. (English) Zbl 1271.32023 Bull. Korean Math. Soc. 50, No. 3, 787-799 (2013). MSC: 32M10 53C30 PDFBibTeX XMLCite \textit{J.-H. Yang} et al., Bull. Korean Math. Soc. 50, No. 3, 787--799 (2013; Zbl 1271.32023) Full Text: DOI Link
De Lima, Henrique Fernandes Rigidity theorems in the hyperbolic space. (English) Zbl 1259.53056 Bull. Korean Math. Soc. 50, No. 1, 97-103 (2013). MSC: 53C42 53C50 53C24 PDFBibTeX XMLCite \textit{H. F. De Lima}, Bull. Korean Math. Soc. 50, No. 1, 97--103 (2013; Zbl 1259.53056) Full Text: DOI Link
Jin, Dae Ho Einstein half lightlike submanifolds with special conformalities. (English) Zbl 1262.53048 Bull. Korean Math. Soc. 49, No. 6, 1163-1178 (2012). Reviewer: Gabriel Teodor Pripoae (Bucureşti) MSC: 53C40 53C25 53C50 PDFBibTeX XMLCite \textit{D. H. Jin}, Bull. Korean Math. Soc. 49, No. 6, 1163--1178 (2012; Zbl 1262.53048) Full Text: DOI Link
Lee, Kyung Bai; Park, Joonsang Homogeneous submersions of 3-dimensional geometries. (English) Zbl 1257.53080 Bull. Korean Math. Soc. 49, No. 5, 1101-1129 (2012). Reviewer: Roman Urban (Wrocław) MSC: 53C30 53C12 PDFBibTeX XMLCite \textit{K. B. Lee} and \textit{J. Park}, Bull. Korean Math. Soc. 49, No. 5, 1101--1129 (2012; Zbl 1257.53080) Full Text: DOI
Yun, Jong-Gug A generalization of the Lorentzian splitting theorem. (English) Zbl 1255.53056 Bull. Korean Math. Soc. 49, No. 3, 647-653 (2012). Reviewer: Christos Baikoussis (Ioannina) MSC: 53C50 PDFBibTeX XMLCite \textit{J.-G. Yun}, Bull. Korean Math. Soc. 49, No. 3, 647--653 (2012; Zbl 1255.53056) Full Text: DOI
Chen, Xinxiang; Yan, Rongmu Characterizing complex locally Minkowski spaces by holomorphic sectional curvature. (English) Zbl 1235.53077 Bull. Korean Math. Soc. 49, No. 1, 49-55 (2012). Reviewer: Radu Miron (Iaşi) MSC: 53C56 32Q99 53B40 PDFBibTeX XMLCite \textit{X. Chen} and \textit{R. Yan}, Bull. Korean Math. Soc. 49, No. 1, 49--55 (2012; Zbl 1235.53077) Full Text: DOI
Yang, Biaogui On complete spacelike \((r-1)\)-maximal hypersurfaces in the anti-de Sitter space \(\mathbb{H}^{n+1}_1(-1)\). (English) Zbl 1207.53068 Bull. Korean Math. Soc. 47, No. 5, 1067-1076 (2010). Reviewer: Huafei Sun (Beijing) MSC: 53C42 53B30 53C50 PDFBibTeX XMLCite \textit{B. Yang}, Bull. Korean Math. Soc. 47, No. 5, 1067--1076 (2010; Zbl 1207.53068) Full Text: DOI
Park, Jongil; Yun, Ki-Heon Exotic smooth structures on \((2n+2l-1)\mathbb{CP}^2 \sharp (2n+4l-1)\overline{\mathbb{CP}}^2\). (English) Zbl 1201.57023 Bull. Korean Math. Soc. 47, No. 5, 961-971 (2010). Reviewer: Ioan Pop (Iaşi) MSC: 57R55 57R17 57R57 57N13 PDFBibTeX XMLCite \textit{J. Park} and \textit{K.-H. Yun}, Bull. Korean Math. Soc. 47, No. 5, 961--971 (2010; Zbl 1201.57023) Full Text: DOI arXiv
Yi, Seunghun Left-invariant minimal unit vector fields on the semi-direct product \(\mathbb R^n \rtimes _P \mathbb R\). (English) Zbl 1203.53061 Bull. Korean Math. Soc. 47, No. 5, 951-960 (2010). Reviewer: Liviu Ornea (Bucureşti) MSC: 53C43 53C30 PDFBibTeX XMLCite \textit{S. Yi}, Bull. Korean Math. Soc. 47, No. 5, 951--960 (2010; Zbl 1203.53061) Full Text: DOI
Jin, Dae Ho Geometry of screen conformal real half lightlike submanifolds. (English) Zbl 1206.53019 Bull. Korean Math. Soc. 47, No. 4, 701-714 (2010). Reviewer: R. Iordanescu (Bucureşti) MSC: 53B25 53C40 53C50 53B35 PDFBibTeX XMLCite \textit{D. H. Jin}, Bull. Korean Math. Soc. 47, No. 4, 701--714 (2010; Zbl 1206.53019) Full Text: DOI
Jin, Dae Ho Screen conformal lightlike real hypersurfaces of an indefinite complex space form. (English) Zbl 1193.53048 Bull. Korean Math. Soc. 47, No. 2, 341-353 (2010). Reviewer: Gabriel Teodor Pripoae (Bucureşti) MSC: 53B25 53B30 53B35 53C50 PDFBibTeX XMLCite \textit{D. H. Jin}, Bull. Korean Math. Soc. 47, No. 2, 341--353 (2010; Zbl 1193.53048) Full Text: DOI
Lee, Jung Chan; Park, Jeong Hyeong; Sekigawa, Kouei Notes on critical almost Hermitian structures. (English) Zbl 1186.53044 Bull. Korean Math. Soc. 47, No. 1, 167-178 (2010). Reviewer: Dmitri Alekseevsky (Hamburg) MSC: 53C15 53C55 PDFBibTeX XMLCite \textit{J. C. Lee} et al., Bull. Korean Math. Soc. 47, No. 1, 167--178 (2010; Zbl 1186.53044) Full Text: DOI
Park, Seongil; Kim, Byung Hak; Choi, Jin Hyuk; Lee, Young Ok On volumes of parallel \(2n\)-hedron in a Lorentz vector space. (English) Zbl 1180.53026 Bull. Korean Math. Soc. 46, No. 6, 1221-1228 (2009). MSC: 53B30 53C50 PDFBibTeX XMLCite \textit{S. Park} et al., Bull. Korean Math. Soc. 46, No. 6, 1221--1228 (2009; Zbl 1180.53026) Full Text: DOI
Han, Chong-Kyu Foliations associated with Pfaffian systems. (English) Zbl 1180.35380 Bull. Korean Math. Soc. 46, No. 5, 931-940 (2009). MSC: 35N10 58A15 58A17 PDFBibTeX XMLCite \textit{C.-K. Han}, Bull. Korean Math. Soc. 46, No. 5, 931--940 (2009; Zbl 1180.35380) Full Text: DOI
Yi, Seunghun Left-invariant minimal unit vector fields on a Lie group of constant negative sectional curvature. (English) Zbl 1172.53025 Bull. Korean Math. Soc. 46, No. 4, 713-720 (2009). Reviewer: Gabriela Paola Ovando (Freiburg) MSC: 53C20 53C25 53C30 53C42 PDFBibTeX XMLCite \textit{S. Yi}, Bull. Korean Math. Soc. 46, No. 4, 713--720 (2009; Zbl 1172.53025) Full Text: DOI
Yun, Jong-Gug A note on the generalized Myers theorem. (English) Zbl 1176.53045 Bull. Korean Math. Soc. 46, No. 1, 61-66 (2009). Reviewer: Maria Falcitelli (Bari) MSC: 53C20 53C50 PDFBibTeX XMLCite \textit{J.-G. Yun}, Bull. Korean Math. Soc. 46, No. 1, 61--66 (2009; Zbl 1176.53045) Full Text: DOI
Cho, Jong Taek; Lee, Ji-Eun \(\eta\)-parallel contact 3-manifolds. (English) Zbl 1169.53024 Bull. Korean Math. Soc. 46, No. 3, 577-589 (2009). Reviewer: Gabriela Paola Ovando (Freiburg) MSC: 53C15 53C35 53D10 PDFBibTeX XMLCite \textit{J. T. Cho} and \textit{J.-E. Lee}, Bull. Korean Math. Soc. 46, No. 3, 577--589 (2009; Zbl 1169.53024) Full Text: DOI
Jeong, Imsoon; Suh, Young Jin; Yang, Hae Young Commuting structure Jacobi operator for Hopf hypersurfaces in complex two-plane Grassmannians. (English) Zbl 1166.53036 Bull. Korean Math. Soc. 46, No. 3, 447-461 (2009). MSC: 53C40 53C30 PDFBibTeX XMLCite \textit{I. Jeong} et al., Bull. Korean Math. Soc. 46, No. 3, 447--461 (2009; Zbl 1166.53036) Full Text: DOI
Kim, Jaeman On Einstein Hermitian manifolds II. (English) Zbl 1163.53046 Bull. Korean Math. Soc. 46, No. 2, 289-294 (2009). MSC: 53C55 53C25 53C56 PDFBibTeX XMLCite \textit{J. Kim}, Bull. Korean Math. Soc. 46, No. 2, 289--294 (2009; Zbl 1163.53046) Full Text: DOI
Pyo, Yong-Soo; Kim, Hyun Woong; Park, Joon-Sik On Ricci curvatures of left invariant metrics on \(SU(2)\). (English) Zbl 1162.53037 Bull. Korean Math. Soc. 46, No. 2, 255-261 (2009). MSC: 53C30 53C20 PDFBibTeX XMLCite \textit{Y.-S. Pyo} et al., Bull. Korean Math. Soc. 46, No. 2, 255--261 (2009; Zbl 1162.53037) Full Text: DOI
Ki, U-Hang; Liu, Huili Some characterization of real hypersurfaces of type (A) in a nonflat complex space form. (English) Zbl 1141.53044 Bull. Korean Math. Soc. 44, No. 1, 157-172 (2007). Reviewer: Zbigniew Olszak (Wrocław) MSC: 53C40 53C25 53C55 PDFBibTeX XMLCite \textit{U-H. Ki} and \textit{H. Liu}, Bull. Korean Math. Soc. 44, No. 1, 157--172 (2007; Zbl 1141.53044) Full Text: DOI
Lee, Nany; Won, Dae Yeon Lichnerowicz connections in almost complex Finsler manifolds. (English) Zbl 1079.53035 Bull. Korean Math. Soc. 42, No. 2, 405-413 (2005). Reviewer: Ralph G. Beil (Marshall) MSC: 53B40 53B35 32Q60 PDFBibTeX XMLCite \textit{N. Lee} and \textit{D. Y. Won}, Bull. Korean Math. Soc. 42, No. 2, 405--413 (2005; Zbl 1079.53035) Full Text: DOI
Ki, U-Hang; Kim, Soo Jin; Lee, Seong-Baek The structure Jacobi operator on real hypersurfaces in a nonflat complex space form. (English) Zbl 1082.53055 Bull. Korean Math. Soc. 42, No. 2, 337-358 (2005). Reviewer: Helmut Reckziegel (Köln) MSC: 53C40 53C15 53B25 53C55 PDFBibTeX XMLCite \textit{U-H. Ki} et al., Bull. Korean Math. Soc. 42, No. 2, 337--358 (2005; Zbl 1082.53055) Full Text: DOI
Kim, Dong-Soo; Kim, Young Ho; Lee, Chul Woo Shape operator \(A_H\) for slant submanifolds in generalized complex space forms. (English) Zbl 1085.53017 Bull. Korean Math. Soc. 42, No. 1, 189-201 (2005). Reviewer: Gueo Grantcharov (Miami) MSC: 53B25 53C55 PDFBibTeX XMLCite \textit{D.-S. Kim} et al., Bull. Korean Math. Soc. 42, No. 1, 189--201 (2005; Zbl 1085.53017) Full Text: DOI
Takano, Kazuhiko; Jun, Jae-Bok On a conformal Killing vector field in a compact almost Kählerian manifold. (English) Zbl 1079.53105 Bull. Korean Math. Soc. 42, No. 1, 1-4 (2005). Reviewer: George F. Nassopoulos (Athens) MSC: 53C55 57R25 PDFBibTeX XMLCite \textit{K. Takano} and \textit{J.-B. Jun}, Bull. Korean Math. Soc. 42, No. 1, 1--4 (2005; Zbl 1079.53105) Full Text: DOI
Choi, Jaedong; Kim, Misuk The index form on the multiply warped spacetime. (English) Zbl 1075.53067 Bull. Korean Math. Soc. 41, No. 4, 691-697 (2004). Reviewer: Dimitrii V. Alekseevsky (Hull) MSC: 53C50 53B30 PDFBibTeX XMLCite \textit{J. Choi} and \textit{M. Kim}, Bull. Korean Math. Soc. 41, No. 4, 691--697 (2004; Zbl 1075.53067) Full Text: DOI
Lobos, Guillermo; Ortega, Miguel Pseudo-parallel real hypersurfaces in complex space forms. (English) Zbl 1081.53065 Bull. Korean Math. Soc. 41, No. 4, 609-618 (2004). Reviewer: David B. McReynolds (Austin) MSC: 53C56 53C25 53C40 PDFBibTeX XMLCite \textit{G. Lobos} and \textit{M. Ortega}, Bull. Korean Math. Soc. 41, No. 4, 609--618 (2004; Zbl 1081.53065) Full Text: DOI
Won, Dae Yeon On the Synge’s theorem for complex Finsler manifolds. (English) Zbl 1051.53061 Bull. Korean Math. Soc. 41, No. 1, 137-145 (2004). Reviewer: Nabil L. Youssef (Giza) MSC: 53C60 58B20 PDFBibTeX XMLCite \textit{D. Y. Won}, Bull. Korean Math. Soc. 41, No. 1, 137--145 (2004; Zbl 1051.53061) Full Text: DOI
Sengupta, A. K.; De, U. C.; Jun, J. B. Existence of a product submanifold of an LP-Sasakian manifold with a coefficient \(\alpha\). (English) Zbl 1059.53031 Bull. Korean Math. Soc. 40, No. 4, 633-639 (2003). Reviewer: Maria Falcitelli (Bari) MSC: 53C15 53C40 53C50 PDFBibTeX XMLCite \textit{A. K. Sengupta} et al., Bull. Korean Math. Soc. 40, No. 4, 633--639 (2003; Zbl 1059.53031) Full Text: DOI
Kim, Jeong-Sik; Song, Yeong-Moo; Tripathi, Mukut Mani B. -Y. Chen inequalities for submanifolds in generalized complex space forms. (English) Zbl 1032.53049 Bull. Korean Math. Soc. 40, No. 3, 411-423 (2003). Reviewer: Karin Riives (Tartu) MSC: 53C40 53C15 53C42 PDFBibTeX XMLCite \textit{J.-S. Kim} et al., Bull. Korean Math. Soc. 40, No. 3, 411--423 (2003; Zbl 1032.53049) Full Text: DOI
Kawakami, Tomohiro Affineness of definable \(C^r\) manifolds and its applications. (English) Zbl 1034.03046 Bull. Korean Math. Soc. 40, No. 1, 149-157 (2003). MSC: 03C64 14P20 14P10 57R35 57R55 58A05 PDFBibTeX XMLCite \textit{T. Kawakami}, Bull. Korean Math. Soc. 40, No. 1, 149--157 (2003; Zbl 1034.03046) Full Text: DOI
Kim, Dong-Soo; Kim, Seon-Bu; Kim, Young Ho; Park, Seong-Hee Conformal vector fields and totally umbilic hypersurfaces. (English) Zbl 1028.53062 Bull. Korean Math. Soc. 39, No. 4, 671-680 (2002). Reviewer: Zbigniew Olszak (Wrocław) MSC: 53C42 53C50 PDFBibTeX XMLCite \textit{D.-S. Kim} et al., Bull. Korean Math. Soc. 39, No. 4, 671--680 (2002; Zbl 1028.53062) Full Text: DOI
Park, Joonsang Riemannian submanifolds in Lorentzian manifolds with the same constant curvatures. (English) Zbl 1006.53047 Bull. Korean Math. Soc. 39, No. 2, 237-249 (2002). Reviewer: Zbigniew Olszak (Wrocław) MSC: 53C35 53C42 53C50 PDFBibTeX XMLCite \textit{J. Park}, Bull. Korean Math. Soc. 39, No. 2, 237--249 (2002; Zbl 1006.53047) Full Text: DOI
Pak, Jin Suk; Sohn, Won-Ho Some curvature conditions of \(n\)-dimensional CR-submanifolds of \((n-1)\) CR-dimension in a complex projective space. (English) Zbl 1031.53084 Bull. Korean Math. Soc. 38, No. 3, 575-586 (2001). Reviewer: Huafei Sun (Beijing) MSC: 53C40 53C55 PDFBibTeX XMLCite \textit{J. S. Pak} and \textit{W.-H. Sohn}, Bull. Korean Math. Soc. 38, No. 3, 575--586 (2001; Zbl 1031.53084)
Won, Dae Yeon On the Bonnet’s theorm for complex Finsler manifolds. (English) Zbl 0986.53027 Bull. Korean Math. Soc. 38, No. 2, 303-315 (2001). Reviewer: M.Matsumoto (Kyoto) MSC: 53C60 58B20 PDFBibTeX XMLCite \textit{D. Y. Won}, Bull. Korean Math. Soc. 38, No. 2, 303--315 (2001; Zbl 0986.53027)
Kim, Jeong-Sik; Kim, Seon-Bu Ricci curvature for conjugate and focal points on GRW space-times. (English) Zbl 0990.53021 Bull. Korean Math. Soc. 38, No. 2, 285-292 (2001). Reviewer: Krishan Lal Duggal (Windsor/Ontario) MSC: 53C20 53C50 PDFBibTeX XMLCite \textit{J.-S. Kim} and \textit{S.-B. Kim}, Bull. Korean Math. Soc. 38, No. 2, 285--292 (2001; Zbl 0990.53021)
So, Jae-Up A null focal theorem on Lorentz manifolds. (English) Zbl 1008.53053 Bull. Korean Math. Soc. 38, No. 2, 273-284 (2001). Reviewer: Volker Perlick (Berlin) MSC: 53C50 53C21 PDFBibTeX XMLCite \textit{J.-U. So}, Bull. Korean Math. Soc. 38, No. 2, 273--284 (2001; Zbl 1008.53053)
Jung, Yoon-Tae; Lee, Soo-Young Conformal deformation on a semi-Riemannian manifold. I. (English) Zbl 0991.53045 Bull. Korean Math. Soc. 38, No. 2, 223-230 (2001). Reviewer: Rainer Schimming (Greifswald) MSC: 53C50 58J05 PDFBibTeX XMLCite \textit{Y.-T. Jung} and \textit{S.-Y. Lee}, Bull. Korean Math. Soc. 38, No. 2, 223--230 (2001; Zbl 0991.53045)
Park, Kyeongsu Affine manifold with measure preserving projective holonomy group. (English) Zbl 1009.53037 Bull. Korean Math. Soc. 38, No. 1, 157-161 (2001). Reviewer: D.Demetropoulou-Psomopoulou (Tessaloniki) MSC: 53C29 53A15 57N16 PDFBibTeX XMLCite \textit{K. Park}, Bull. Korean Math. Soc. 38, No. 1, 157--161 (2001; Zbl 1009.53037)
Mirzaie, R.; Kashani, S. M. B. Topological properties of some cohomogeneity one Riemannian manifolds of nonpositive curvature. (English) Zbl 0982.53031 Bull. Korean Math. Soc. 37, No. 3, 587-599 (2000). Reviewer: Jose Carmelo Gonzalez-Davila (La Laguna) MSC: 53C20 57S25 53C30 PDFBibTeX XMLCite \textit{R. Mirzaie} and \textit{S. M. B. Kashani}, Bull. Korean Math. Soc. 37, No. 3, 587--599 (2000; Zbl 0982.53031)
Jung, Yoon-Tae; Kim, Yun-Jeong Nonlinear partial differential equations on semi-Riemannian manifolds. (English) Zbl 0964.53028 Bull. Korean Math. Soc. 37, No. 2, 317-336 (2000). Reviewer: Neculai Papaghiuc (Iaşi) MSC: 53C21 53C50 58J05 PDFBibTeX XMLCite \textit{Y.-T. Jung} and \textit{Y.-J. Kim}, Bull. Korean Math. Soc. 37, No. 2, 317--336 (2000; Zbl 0964.53028)
Ahn, Seong Soo; Choi, Young Suk; Suh, Young Jin A new characterization of ruled real hypersurfaces in complex space forms. (English) Zbl 0961.53028 Bull. Korean Math. Soc. 36, No. 3, 513-532 (1999). Reviewer: B.Opozda (Kraków) MSC: 53C40 53C55 53C15 PDFBibTeX XMLCite \textit{S. S. Ahn} et al., Bull. Korean Math. Soc. 36, No. 3, 513--532 (1999; Zbl 0961.53028)
Kurashima, Kazuo; Oguro, Takashi; Sekigawa, Kouei Notes on three-dimensional weakly symmetric spaces. (English) Zbl 0980.53062 Bull. Korean Math. Soc. 36, No. 3, 467-476 (1999). Reviewer: Isabel Dotti Miatello (Córdoba) MSC: 53C30 53C35 PDFBibTeX XMLCite \textit{K. Kurashima} et al., Bull. Korean Math. Soc. 36, No. 3, 467--476 (1999; Zbl 0980.53062)
Suh, Young Jin On non-proper pseudo-Einstein ruled real hypersurfaces in complex space forms. (English) Zbl 0987.53025 Bull. Korean Math. Soc. 36, No. 2, 315-336 (1999). MSC: 53C40 53C55 53C25 PDFBibTeX XMLCite \textit{Y. J. Suh}, Bull. Korean Math. Soc. 36, No. 2, 315--336 (1999; Zbl 0987.53025)