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 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 545—731
 Subalgebras of a $q$-analog for the Virasoro algebra Ki-Bong Nam and Moon-Ok Wang MSC numbers : Primary 17B40, 17B56 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 545—551
 Starlikeness of multivalent meromorphic harmonic functions G. Murugusundaramoorthy MSC numbers : 30C45, 30C50, 30C55 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 553—564
 On the general solution of a quartic functional equation Jukang K. Chung and Prasanna K. Sahoo MSC numbers : Primary 39B22 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 565—576
 Random fixed points of weakly inward multivalued random maps in Banach spaces B. C. Dhage and Naseer Shahzad MSC numbers : 47H10, 60H25 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 577—581
 Essential Norms and stability constants of weighted composition operators on $C(X)$ Hiroyuki Takagi, Takeshi Miura, and Sin-Ei Takahasi MSC numbers : 47B33, 34K20 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 583—591
 A product formula of Seiberg-Witten invariants Yong Seung Cho MSC numbers : 57R15, 57R22 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 593—601
 A local approximation method for the solution of $K-$positive definite operator equations C. E. Chidume and S. J. Aneke MSC numbers : 47H04, 47H06, 47H30, 47J05, 47J25 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 603—611
 Some curvature conditions of $n$-dimensional $QR$-submanifolds of $(p-1)$ $QR$-dimension in a quaternionic projective space $QP^{(n+p)/4}$ Jin Suk Pak and Won-Ho Sohn MSC numbers : 53C40, 53C25 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 613—631
 Existence of a product submanifold of an LP-Sasakian manifold with a coefficient $\alpha$ A. K. Sengupta, U. C. De, and J. B. Jun MSC numbers : 53C15, 53C40 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 633—639
 The invariant properties of infinite matrix algebras Liu Jinxia, Minhyung Cho, and Li Linsong MSC numbers : 46E30, 46B20, 15A09 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 641—648
 Projectively flat Finsler spaces with certain $(\alpha, \beta)$-metrics Hong-Suh Park, Ha-Yong Park, Byung-Doo Kim, and Eun-Seo Choi MSC numbers : 53B40 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 649—661
 A note on the severity of ruin in the renewal model with claims of dominated variation Qihe Tang MSC numbers : 62P05, 60K05 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 663—669
 Subordination chains and univalence criteria Nicolae N. Pascu, Dorina Ruaducanu, and Shigeyoshi Owa MSC numbers : 30C45 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 671—675
 The application of stochastic differential equations to population genetic model Won Choi and Dug-Hwan Choi MSC numbers : 92D10, 60H30, 60G44 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 677—683
 Properties of a $k$th root of a hyponormal operator Eungil Ko MSC numbers : 47B20, 47B38 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 685—692
 A note on invariant subspaces for operator algebras Alan Lambert MSC numbers : 47A15, 47L30 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 693—698
 The dual of a formula of Viskov Franciszek Hugon Szafraniec MSC numbers : Primary 33C45; Secondary 47A05 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 699—701
 Inverse shadowing for expansive flows Keonhee Lee and Zoonhee Lee MSC numbers : Primary 37C50; Secondary 37D20 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 703—713
 On a functional central limit theorem for stationary linear processes generated by associated processes Tae-Sung Kim and Mi-Hwa Ko MSC numbers : 60F05, 60F17 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 715—722
 Topological operations of iterated star-covering properties Myung Hyun Cho and Junhui Kim MSC numbers : Primary 54D20, 54B05, 54B10, 54C10 Bull. Korean Math. Soc. 2003 Vol. 40, No. 4, 723—731