기우항  (Ki, U-Hang) 소속 경북대학교 사범대학 수학교육과 직위 교수 주소 702-701 대구시 북구 산격동 1370 이메일 uhang@bh.kyungpook.ac.kr  홈페이지    연락처 연구실적 Some characterizations of real hypersurfaces of type (A) in a nonflat complex space form. (Liu, Huili)  Bull. Korean Math. Soc. .2007 .Vol 44 . P157-172  Real hypersurfaces in complex space forms with $\xi$-parallel Ricci tensor and structure Jacobi operator. (Pérez, Juan De Dios; Santos, Florentino G.; Suh, Young Jin) J. Korean Math. Soc. .2007 .Vol 44 . P307-326  $\xi$-parallel structure Jacobi operators of real hypersurfaces in a nonflat complex space form. (Kim, Nam-Gil)  Honam Math. J. .2006 .Vol 28 . P573-589  Structure eigenvectors of the Ricci tensor in a real hypersurface of a complex projective space. (Li, Chunji)  Kyungpook Math. J. .2006 .Vol 46 . P463-476  $\xi$-parallel Ricci tensors of real hypersurfaces in a non-flat complex space form. (Li, Chunji)  Proceedings of the Tenth International Workshop on Differential Geometry .2006 . P161-176  Real hypersurfaces in complex space forms whose shape operator commutes with the structure Jacobi operator. (Li, Chunji; Nagai, Setsuo) Toyama Math. J. .2005 .Vol 28 . P55-79  Real hypersurfaces in non-flat complex space forms concerned with the structure Jacobi operator and Ricci tensor. (Nagai, Setsuo; Takagi, Ryoichi) .2005 . P140-156  Real hypersurfaces of a nonflat complex space form in terms of the Ricci tensor. (Nagai, Setsuo) Tsukuba J. Math. .2005 .Vol 29 . P511-532  The structure Jacobi operator on real hypersurfaces in a nonflat complex space form. (Kim, Soo Jin; Lee, Seong-Baek) Bull. Korean Math. Soc. .2005 .Vol 42 . P337-358  The Ricci tensor and the structure Jacobi operator of real hypersurfaces in complex space forms. Proceedings of the Ninth International Workshop on Differential Geometry .2005 . P85-96  Semi-invariant submanifolds of codimension 3 of a complex projective space in terms of the Jacobi operator. ( Her, Jong Im; Lee, Seong-Baek)  Bull. Korean Math. Soc. .2005 .Vol 42 . P93-119  Semi-invariant submanifolds of codimension 3 of a complex projective space in terms of the Jacobi operator. (Her, Jong Im; Lee, Seong-Baek)  Bull. Korean Math. Soc. .2005 .Vol 42 . P93-119  Semi-invariant submanifolds of codimension 3 of a complex projective space in terms of the Jacobi operator. (Her, Jong Im; Lee, Seong-Baek)  Bull. Korean Math. Soc. .2005 .Vol 42 . P93-119  Ricci tensors for real hypersurfaces in a nonflat complex space form. ( Hwang, Tae Yong; Kim, Nam Gil)  Math. J. Toyama Univ. .2004 .Vol 27 . P1-22  Jacobi operators on a semi-invariant submanifold of codimension 3 in a complex projective space. (Song, Hyunjung)  Nihonkai Math. J. .2003 .Vol 14 . P1-16  Semi-invariant submanifolds with $L$-flat normal connection in terms of the Lie derivatives. (Li, Chunji; Lee, Seong-Cheol) Kyungpook Math. J. .2003 .Vol 43 . P37-48  Differential geometry of semi-invariant submanifolds of codimension 3. Proceedings of the Sixth International Workshop on Differential Geometry .2001 . P1-10  Proceedings of the Sixth InternationalWorkshop on Differential Geometry. (Young Jin Suh; Ho Il Kim) Proceedings of the Sixth International Workshop on Differential Geometry. .2001 . P16-17  Semi-invariant submanifolds of codimension 3 in a complex hyperbolic space. (Lee, Seong-Baek; Lee, An-Aye) Honam Math. J. .2001 .Vol 23 . P91-111  Real hypersurfaces of a complex hyperbolic space satisfying $L\sb \xi S=0$. (Cho, Jong Taek; Yoo, In-Yeong) Kyungpook Math. J. .2001 .Vol 41 . P163-177  Geometry of holomorphic distributions of real hypersurfaces in a complex projective space. ( Kimura, Makoto; Maeda, Sadahiro) Czechoslovak Math. J. .2001 .Vol 51 . P197-204  Semi-invariant minimal submanifolds of codimension 3 in a complex space form. ( Lee, Seong-Cheol; Han, Seung-Gook) Commun. Korean Math. Soc. .2000 .Vol 15 . P649-668  Compact minimal generic submanifolds with parallel normal section in a complex projective space. (Choe, Yeong-Wu; Takagi, Ryoichi) Osaka J. Math. .2000 .Vol 37 . P489-499  Semi-invariant submanifolds with lift-flat normal connection in a complex projective space. (Kim, He-Jin) Kyungpook Math. J. .2000 .Vol 40 . P185-194  Submanifolds of codimension 3 admitting almost contact metric structure in a complex projective space. (Song, Hyunjung; Takagi, Ryoichi) Nihonkai Math. J. .2000 .Vol 11 . P57-86  Affine inner automorphisms of ${\rm SU}(2)$. (Park, Joon-Sik) Tsukuba J. Math. .1999 .Vol 23 . P485-493  Real hypersurfaces of a complex projective space satisfying a pointwise nullity condition. (Cho, Jong Taek) Tsukuba J. Math. .1999 .Vol 23 . P279-291  The Jacobi operator of real hypersurfaces in a complex space form. (Kim, He-Jin; Lee, An-Aye) Commun. Korean Math. Soc. .1998 .Vol 13 . P545-560  On real hypersurfaces of a complex space form in terms of Jacobi operators. (Lee, An-Aye; Lee, Seong-Baek) Commun. Korean Math. Soc. .1998 .Vol 13 . P317-336  Real hypersurfaces satisfying $\nabla\sb \xi S=0$ of a complex space form. (Kang, Eun-Hee) Bull. Korean Math. Soc. .1998 .Vol 35 . P819-835  The Jacobi operator of real hypersurfaces in a complex space form. (Kim, He-Jin; Lee, An-Aye) Commun. Korean Math. Soc. .1998 .Vol 13 . P545-560  On real hypersurfaces of a complex space form in terms of Jacobi operators. (Lee, An-Aye; Lee, Seong-Baek) Commun. Korean Math. Soc. .1998 .Vol 13 . P317-336  Real hypersurfaces satisfying $\nabla\sb \xi S=0$ of a complex space form. (Kang, Eun-Hee)  Bull. Korean Math. Soc. .1998 .Vol 35 . P819-835  Quaternionically projective correspondence on an almost quaternionic structure. (Pak, Jin Suk; Yoon, Dae Won) J. Korean Math. Soc. .1998 .Vol 35 . P855-867  Notes on extrinsic spheres. (Maeda, Sadahiro) Bull. Korean Math. Soc. .1998 .Vol 35 . P433-439  Jacobi operators on real hypersurfaces of a complex projective space. (Cho, Jong Taek) Tsukuba J. Math. .1998 .Vol 22 . P145-156  On the Gauss map of null scrolls. ( Choi, Soon Meen; Suh, Young Jin) Tsukuba J. Math. .1998 .Vol 22 . P273-279  Real hypersurfaces of a complex projective space in terms of the Jacobi operators. (Cho, Jong Taek) Acta Math. Hungar. .1998 .Vol 80 . P155-167  Space-like surfaces with $1$-type generalized Gauss map. (Choi, Soon Meen; Suh, Young Jin)  J. Korean Math. Soc. .1998 .Vol 35 . P315-330  Minimal CR submanifolds of a complex projective space with parallel section in the normal bundle. (Kon, Masahiro) Commun. Korean Math. Soc. .1997 .Vol 12 . P665-678  CR structures on real hypersurfaces of a complex projective space. First Conference of Balkan Society of Geometers (Cho, Jong Taek)  Balkan J. Geom. Appl. .1997 .Vol 2 . P7-18  On the spectral geometry for the Jacobi operators of harmonic maps into product manifolds. (Kang, Tae Ho; Pak, Jin Suk) Proceedings of the First International Workshop on Differential Geometry .1997 . P13-30  On the spectral geometry for the Jacobi operators of harmonic maps into product manifolds. (Kang, Tae Ho; Pak, Jin Suk)  J. Korean Math. Soc. .1997 .Vol 34 . P483-5  On real hypersurfaces of a complex hyperbolic space. (Kang, Eun-Hee)  Bull. Korean Math. Soc. .1997 .Vol 34 . P483-500  On real hypersurfaces of a complex hyperbolic space. (Kang, Eun-Hee)  Bull. Korean Math. Soc. .1997 .Vol 34 . P173-184  Real hypersurfaces of type A in quaternionic projective space. (Suh, Young Jin; Pérez, Juan De Dios) Internat. J. Math. Math. Sci. .1997 .Vol 20 . P115-122  Dedicated to U-Hang Ki on the occasion of his 60th birthday. Kyungpook Math. J. .1996 .Vol 35 . P393-875  On semi-Kaehler manifolds whose totally real bisectional curvature is bounded from below. (Suh, Young Jin) J. Korean Math. Soc. .1996 .Vol 33 . P1009-1038  Classification of real hypersurfaces in complex space forms in terms of curvature tensors. (Pyo, Yong Soo; Suh, Young Jin) Kyungpook Math. J. .1996 .Vol 36 . P201-218  Some characterizations of ruled real hypersurfaces in a complex space form. (Suh, Young Jin) J. Korean Math. Soc. .1996 .Vol 33 . P101-119  Totally real submanifolds of a complex space form. (Kim, Young Ho) Internat. J. Math. Math. Sci. .1996 .Vol 19 . P39-44  On some CR submanifolds with parallel mean curvature vector field in a complex space form. ( Takagi, Ryoichi; Takahashi, Tsunero) Nihonkai Math. J. .1995 .Vol 6 . P215-226  Totally real submanifolds with parallel mean curvature vector in a complex space form. ( Kim, Byung Hak; Kim, He-Jin) J. Korean Math. Soc. .1995 .Vol 32 . P835-848  Characterizations of some real hypersurfaces in a complex space form in terms of Lie derivative. J (Suh, Young Jin) J. Korean Math. Soc. .1995 .Vol 32 . P161-170  Sasakian manifolds with vanishing $C$-Bochner curvature tensor. (Choi, E.-S.; Takano, K.)  Acta Math. Hungar. .1995 .Vol 66 . P327-336  Ruled real hypersurfaces of a complex space form. (Kim, Nam-Gil) Acta Math. Sinica (N.S.) .1994 .Vol 10 . P401-409  Lie derivatives on homogeneous real hypersurfaces of type $B$ in a complex projective space. (Maeda, Sadahiro; Suh, Young Jin) Yokohama Math. J. .1994 .Vol 42 . P121-131  Surfaces with simple geodesics through a point. ( Kim, Young Ho) J. Geom. .1994 .Vol 51 . P67-78  Generic submanifolds with parallel mean curvature vector of a Sasakian space form. (Ahn, Seong-Soo) Bull. Korean Math. Soc. .1994 .Vol 31 . P215-236  Generic submanifolds of a complex space form. ( Kim, Young Ho; Kon, Masahiro) Kyungpook Math. J. .1994 .Vol 34 . P95-108  On Sasakian manifolds with constant scalar curvature whose C-Bochner curvature tensor vanishes. (Choi, Hyung Ryul) Nihonkai Math. J. .1994 .Vol 5 . P101-107  On a characterization of real hypersurfaces of type $A$ in a complex space form. (Suh, Young Jin) Canad. Math. Bull. .1994 .Vol 37 . P238-244  Complete maximal space-like hypersurfaces in an anti-de Sitter space. (Choi, Soon Meen; Kim, He-Jin)  Bull. Korean Math. Soc. .1994 .Vol 31 . P85-92  Generic minimal submanifolds with parallel section in the normal bundle immersed in a complex projective space. (Choe, Yeong-Wu; Kon, Masahiro)  Bull. Korean Math. Soc. .1994 .Vol 31 . P25-33  Submanifolds with nonvanishing parallel mean curvature vector field of a Sasakian space form. (Kim, Nam-Gil; Lee, Sung-Baik; Yoo, In-Yeong)  J. Korean Math. Soc. .1993 .Vol 30 . P299-313  Generic submanifolds of an odd-dimensional sphere. ( Kim, Nam-Gil; Kon, Masahiro) Nihonkai Math. J. .1993 .Vol 4 . P87-109  Contact CR-submanifolds with parallel mean curvature vector of a Sasakian space form. (Kon, Masahiro) Colloq. Math. .1993 .Vol 64 . P173-184  CR submanifolds with parallel mean curvature vector of a complex space form. (Kon, Masahiro) Atti Accad. Peloritana Pericolanti Cl. Sci. Fis. Mat. Natur. .1992 .Vol 70 . P173-192  Real hypersurfaces in ${\rm P}\sb n(\bold C)$ with constant principal curvatures. ( Takagi, Ryoichi) Math. J. Okayama Univ. .1992 .Vol 34 . P233-240  Manifolds with Kaehler-Bochner metric. (Kim, Byung Hak)  Kyungpook Math. J. .1992 .Vol 32 . P285-290  Characterizations of some real hypersurfaces in ${\rm P}\sb n(\bold C)$ in terms of Ricci tensor. (Suh, Young Jin) Nihonkai Math. J. .1992 .Vol 3 . P133-162  On certain real hypersurfaces of a complex space form. (Kim, Nam-Gil; Lee, Sung-Baik)  J. Korean Math. Soc. .1992 .Vol 29 . P63-77  Complete maximal space-like hypersurfaces of an anti-de Sitter space. (Kim, Hyang Sook; Nakagawa, Hisao) Kyungpook Math. J. .1991 .Vol 31 . P131-141  Complete and noncompact conformally flat manifolds with constant scalar curvature. (Kim, Young Ho) Geom. Dedicata .1991 .Vol 40 . P45-52  Hypersurfaces with harmonic Weyl tensor of a real space form. (Nakagawa, Hisao)  J. Korean Math. Soc. .1991 .Vol 28 . P229-244  On space-like hypersurfaces with constant mean curvature of a Lorentz space form. (Kim, Soon Ja; Lee, Sung-Baik)  Kyungpook Math. J. .1991 .Vol 31 . P73-82  Some characterizations of a real hypersurface of type ${\rm A}$. (Kim, Soon Ja; Lee, Sung-Baik) Kyungpook Math. J. .1991 .Vol 31 . P73-82  On totally real submanifolds with parallel mean curvature vector of a Sasakian space form. (Pak, Jin Suk) Bull. Korean Math. Soc. .1991 .Vol 28 . P55-64  On real hypersurfaces of a complex space form. (Suh, Young Jin) Math. J. Okayama Univ. .1990 .Vol 32 . P207-221  Sasakian manifolds whose $C$-Bochner curvature tensor vanishes. (Kim, Hyang Sook) Tensor (N.S.) .1990 .Vol 49 . P32-39  Semi-invariant submanifolds with harmonic curvature. (Kim, Soon Ja; Lee, Sung-Baik; Yoo, In-Yeong) J. Korean Math. Soc. .1990 .Vol 27 . P157-166  A characterization of a real hypersurface of type $B$. ( Kim, Sook; Nakagawa, Hisao)  Tsukuba J. Math. .1990 .Vol 14 . P9-26  Real hypersurfaces with harmonic Weyl tensor of a complex space form. (Nakagawa, Hisao; Suh, Young Jin)  Hiroshima Math. J. .1990 .Vol 20 . P93-102  Real hypersurfaces with harmonic Weyl tensor of a complex space form. (Nakagawa, Hisao; Suh, Young Jin)  Hiroshima Math. J. .1990 .Vol 20 . P93-102  Real hypersurfaces with $\eta$-harmonic Weyl tensor of a complex space form. (Kim, He-Jin; Nakagawa, Hisao) Collection of papers dedicated to Prof. Jong Geun Park on his sixtieth birthday .1989 . P89-102  Real hypersurfaces with $\eta$-harmonic Weyl tensor of a complex space form. (Kim, He-Jin; Nakagawa, Hisa)  J. Korean Math. Soc. .1989 .Vol 26 . P311-322  A note on real hypersurfaces of a complex space form. (Kim, He-Jin)  Bull. Korean Math. Soc. .1989 .Vol 26 . P69-74  Compact Kaehlerian manifolds with positive hybrid symmetric curvature operator. J. Korean Math. Soc. .1989 .Vol 26 . P111-115  Real hypersurfaces with parallel Ricci tensor of a complex space form. Tsukuba J. Math. .1989 .Vol 13 . P73-81  Certain compact complex hypersurfaces of a flat Kaehler space. (Kim, Soon Ja) Tensor (N.S.) .1988 .Vol 47 . P140-149  Indefinite Kaehlerian manifolds with vanishing Bochner curvature tensor. (Kwon, Jung-Hwan)  Kyungpook Math. J. .1988 .Vol 28 . P15-21  Semi-invariant submanifolds with cyclic-parallel Ricci tensor in a complex Euclidean space. (Lee, Eui-Won)  Math. Rep. Toyama Univ. .1988 .Vol 11 . P97-128  Complex submanifolds of an indefinite Kaehler-Einstein manifold. (Nakagawa, Hisao) J. Korean Math. Soc. .1988 .Vol 25 . P1-10  Cyclic-parallel real hypersurfaces of a complex space form. Tsukuba J. Math. .1988 .Vol 12 . P259-268  Submanifolds of a Euclidean $m$-space $E\sp m$ with totally umbilical Gauss image. ( Pak, Jin Suk) Tensor (N.S.) .1987 .Vol 44 . P233-239  Totally real submanifolds with harmonic curvature. (Nakagawa, Hisao) Kyungpook Math. J. .1987 .Vol 27 . P99-107  On conformal Killing and special Killing $p$-forms in Riemannian manifolds with boundary. (Ayabe, Shuka; Yamaguchi, Seiichi)  J. Ramanujan Math. Soc. .1987 .Vol 2 . P17-41  Submanifolds with harmonic curvature in a Euclidean $2m$-space. (Oh, Won Tae) Tensor (N.S.) .1987 .Vol 44 . P164-170  Compact totally real submanifolds with parallel mean curvature vector field in a Sasakian space form. (Kameda, Masumi; Yamaguchi, Seiichi)  TRU Math. .1987 .Vol 23 . P1-15  Semi-invariant submanifolds with parallel normal curvature in a complex space form. (Lee, Eui-Won; Oh, Won Tae) J. Korean Math. Soc. .1987 .Vol 24 . P187-198  Reduction of the codimension of totally real submanifolds of a complex space form. ( Nakagawa, Hisao) Tsukuba J. Math. .1987 .Vol 11 . P399-412  On complete hypersurfaces with harmonic curvature in a Riemannian manifold of constant curvature. (Nakagawa, Hisao; Umehara, Masaaki) Tsukuba J. Math. .1987 .Vol 11 . P61-76  A characterization of the Cartan hypersurface in a sphere. (Nakagawa, Hisao) Tohoku Math. J. (2) .1987 .Vol 39 . P27-40  Certain contact CR-submanifolds with flat normal connection of a Sasakian space form. (Pak, Jin Suk) Kyungpook Math. J. .1986 .Vol 26 . P119-128  Compact CR-submanifolds with parallel mean curvature vector in a complex space form. (Nakagawa, Hisao) J. Korean Math. Soc. .1986 .Vol 23 . P191-199  Compact totally real submanifolds with parallel mean curvature vector in a complex space form. (Nakagawa, Hisao) J. Korean Math. Soc. .1986 .Vol 23 . P141-150  Submanifolds with harmonic curvature. (Nakagawa, Hisao) Tsukuba J. Math. .1986 .Vol 10 . P285-292  Submanifolds of complex space forms admitting an almost contact metric compound structure. (Kim, Young Ho) Ann. Mat. Pura Appl. (4) .1986 .Vol 143 . P339-362  Compact generic complex hypersurfaces of a flat Kaehler space. (Kim, Soon Ja; Yoo, In-Yeong)  Bull. Korean Math. Soc. .1986 .Vol 23 . P61-68  Anti-invariant submanifolds of locally conformal Kähler space forms. (Pak, Jin Suk) J. Korean Math. Soc. .1985 .Vol 22 . P97-102  Generic submanifolds with normal structure of an odd-dimensional sphere. II. (Pak, Eulyong; Pak, Jin Suk; Kim, Young Ho) J. Korean Math. Soc. .1984 .Vol 21 . P147-161  Nearly Kaehlerian product manifolds of two almost contact metric manifolds. ( Kim, In Bae; Lee, Eui-Won)  Bull. Korean Math. Soc. .1984 .Vol 21 . P61-66  Generic submanifolds with normal structure of an odd-dimensional sphere. (Pak, Eulyong; Pak, Jin Suk; Kim, Young Ho)  J. Korean Math. Soc. .1983 .Vol 20 . P141-161  Infinitesimal variations of submanifolds of $S\sp{n}(1/\sqrt{2})\times S\sp{n}(1/\sqrt{2})$. (Park, Joon-Sik; Kim, Soon Ja)  J. Korean Math. Soc. .1983 .Vol 20 . P83-106  CR structures of submanifolds immersed in complex space forms. ( Park, Jin Suk; Kim, Young Ho) Kyungpook Math. J. .1983 .Vol 23 . P155-168  Normal complex almost contact manifold. (Pak, Jin Suk)  Tensor (N.S.) .1982 .Vol 37 . P59-70  Generic submanifolds with parallel Ricci curvature of $S\sp{2m+1}(1)$. (Jin, Dae Ho)  J. Korean Math. Soc. .1982 .Vol 19 . P55-60  A note on generic submanifolds of an odd-dimensional sphere. (Kim, Young Ho) Kyungpook Math. J. .1982 .Vol 22 . P223-232  Infinitesimal variations preserving the Ricci tensor of generic submanifolds of an odd-dimensional sphere. (Jin, Dae Ho)  Kyungpook Math. J. .1982 .Vol 22 . P317-324  On hypersurfaces of $S\sp{n}(1/\sqrt{2})\times S\sp{n}(1/\sqrt{2})$. (Eum, Sang Seup; Kim, Young Ho)  J. Korean Math. Soc. .1982 .Vol 18 . P109-122  Generic submanifolds of an even-dimensional Euclidean space. (Pak, Jin Suk) J. Differential Geom. .1981 .Vol 16 . P293-303  Generic submanifolds with parallel mean curvature vector of an odd-dimensional sphere. ( Kim, Young Ho) Kodai Math. J. .1981 .Vol 4 . P353-370  Einstein generic submanifolds of an odd-dimensional sphere. Kyungpook Math. J. .1981 .Vol 21 . P213-224  Einstein generic submanifolds of an odd-dimensional sphere. Kyungpook Math. J. .1981 .Vol 21 . P213-224  Generic submanifolds of complex projective spaces with parallel mean curvature vector. (Pak, Jin Suk; Kim, Young Ho) Kodai Math. J. .1981 .Vol 4 . P137-151  Generic submanifolds of complex projective spaces with parallel mean curvature vector. (Pak, Jin Suk; Kim, Young Ho)  Kodai Math. J. .1981 .Vol 4 . P137-151  Submanifolds of codimension $3$ of a Kaehlerian manifold. II. (Eum, Sang Seup; Kim, Un Kyu; Kim, Young Ho)  J. Korean Math. Soc. .1980 .Vol 17 . P211-228  On generic submanifolds with antinormal structure of an odd-dimensional sphere. Kyungpook Math. J. .1980 .Vol 20 . P217-229  Infinitesimal variations of generic submanifolds of a Kaehlerian manifold. (Kim, Young Ho) J. Korean Math. Soc. .1980 .Vol 17 . P1-11  Infinitesimal variations of hypersurfaces of a Sasakian manifold. (Yano, Kentaro) Tensor (N.S.) .1979 .Vol 33 . P1-10  Submanifolds of codimension $3$ of a Kaehlerian manifold. I. ( Eum, Sang Seup; Kim, Un Kyu; Kim, Young Ho)  J. Korean Math. Soc. .1979 .Vol 16 . P137-153  Infinitesimal $CL$-variations of Sasakian hypersurfaces of a Kaehlerian manifold. (Kim, Jae Ryong)  Kyungpook Math. J. .1979 .Vol 19 . P9-21  Infinitesimal variations of invariant submanifolds of a Sasakian manifold. (Yano, Kentaro; Pak, Jin Suk)  Kodai Math. J. .1978 .Vol 1 . P219-236  Infinitesimal variations of invariant submanifolds of a Kaehlerian manifold. (Yano, Kentaro; Okumura, Masafumi)  Kodai Math. J. .1978 .Vol 1 . P89-100  Remarks on infinitesimal conformal and minimal variations of a submanifold. (Pak, Eulyong) J. Korean Math. Soc. .1978 .Vol 14 . P263-269  Infinitesimal variations of invariant submanifolds with normal $(f,g,u,v, \lambda )$-structure. (Park, Joon Sik) J. Korean Math. Soc. .1978 .Vol 14 . P241-261  Infinitesimal variations of the Ricci tensor of a submanifold. (Yano, Kentaro; Pak, Jin Suk) K=odai Math. Sem. Rep. .1977 .Vol 29 . P271-284  On $(f,\,g,\,u,\,v,\,w,\,\lambda ,$ $µ,\,\nu )$-structures satisfying $\lambda \sp{2}+µ\sp{2}+\nu \sp{2}=1$. (Yano, Kentaro)  K=odai Math. Sem. Rep. .1977 .Vol 29 . P285-307  Note on infinitesimal conformal variations. J. Korean Math. Soc. .1977 .Vol 14 . P105-111  On infinitesimal minimal variations of anti-invariant submanifolds of a Kaehlerian manifold. ( Pak, Eulyong) J. Korean Math. Soc. .1977 .Vol 14 . P71-80  Note on compact submanifolds of codimension $2$ with trivial normal bundle in an even-dimensional Euclidean space. ( Kim, Jae Ryong) J. Korean Math. Soc. .1976 .Vol 13 . P51-59  On certain complete conformally flat spaces with constant scalar curvature. (Oh, Gehwan) J. Korean Math. Soc. .1975 .Vol 12 . P89-96  On hypersurfaces with normal $(f,\,g,\,u\sb{(k)},\,\alpha \sb{(k)})$-structure in an even-dimensional sphere. (Suh, Hyun Bae) K=odai Math. Sem. Rep. .1975 .Vol 26 . P424-437  Compact hypersurfaces with antinormal $(f,\,g,\,u,\,v,\,\lambda )$-structure in an odd-dimensional sphere. (Pak, Jin Suk; Choe, Yeong Wu) J. Korean Math. Soc. .1975 .Vol 12 . P63-70  On $(f,\,g,\,u\sb{(k)},\,\alpha \sb{ (k)})$-structures. (Pak, Jin Suk; Suh, Hyun Bae) K=odai Math. Sem. Rep. .1974 .Vol 26 . P160-175  On hypersurfaces of a $K$-contact metric manifold as fibred spaces. (Pak, Jin Suk; Kim, In Bae) J. Korean Math. Soc. .1974 .Vol 11 . P143-152  Complete Riemannian manifolds with $(f,\,g,\,u,\,v,\,\lambda )$-structure. (Ishihara, Shigeru) J. Differential Geometry .1973 .Vol 8 . P541-554  On certain $(f,\,g,\,u,\,v,\,\lambda )$-structures. (Pak, Jin Suk)  K=odai Math. Sem. Rep. .1973 .Vol 25 . P435-445  Submanifolds of codimension $2$ with a complemented $f$-structure. (Kwon, Jung Hwan)  J. Korean Math. Soc. .1973 .Vol 10 . P53-65  Intrinsic problems on $S\sp{n}(1/\surd 2)\times S\sp{n+1}(1/\surd 2)$. (Pak, Jin Suk) Kyungpook Math. J. .1973 .Vol 13 . P287-298  Manifolds with antinormal $(f,\,g,\,u,\,v,\,\lambda )$-structure. (Yano, Kentaro) K=odai Math. Sem. Rep. .1973 .Vol 25 . P48-62  On almost contact affine $3$-structures. (Yano, Kentaro; Eum, Sang Seup) K=odai Math. Sem. Rep. .1973 .Vol 25 . P129-142  Invariant submanifolds of a manifold with quasi-normal $(f,\,g,\,u,\,v,\,\lambda )$-structure. (Lim, Jae Kyu) J. Korean Math. Soc. .1972 .Vol 9 . P49-57  Invariant submanifolds of a manifold with quasi-normal $(f,\,g,\,u,\,v,\,\lambda )$-structure. ( Lim, Jae Kyu) J. Korean Math. Soc. .1972 .Vol 9 . P49-57  On transversal hypersurfaces of an almost contact manifold. (Yano, Kentaro; Eum, Sang Seup)  K=odai Math. Sem. Rep. .1972 .Vol 24 . P459-470  On a space of constant curvature with $(f,\,g,\,u,\,v,\,\lambda )$-structure. (Pak, Jin Suk) Kyungpook Math. J. .1972 .Vol 12 . P179-182  Submanifolds of codimension $2$ in an even-dimensional Euclidean space. (Yano, Kentaro)  K=odai Math. Sem. Rep. .1972 .Vol 24 . 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