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 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 671—868
 On the range closure of an elementary operator J. A. Canavati, S. V. Djordjevi'c, and B. P. Duggal MSC numbers : 47B47, 47A10, 47A11 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 671—677
 The critical point equation on a four dimensional warped product manifold Seungsu Hwang and Jeongwook Chang MSC numbers : 53C25 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 679—692
 Multiplicity results for a class of second order superlinear difference systems Guoqing Zhang and Sanyang Liu MSC numbers : 34B16, 39A10 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 693—701
 Jensen type quadratic-quadratic mapping in Banach spaces Choonkil Park, Seong-Ki Hong, and Myoung-Jung Kim MSC numbers : 39B52 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 703—709
 Strong commutativity preserving mappings on semiprime rings Asif Ali, Muhammad Yasen, and Matloob Anwar MSC numbers : 13A99 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 711—713
 On weighted Weyl spectrum, II Subhash Chander Arora and Preeti Dharmarha MSC numbers : Primary 47A53 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 715—722
 Free cyclic codes over finite local rings Sung Sik Woo MSC numbers : 13C10 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 723—735
 On the stability of involutive $A$-quadratic mappings Won-Gil Park and Jae-Hyeong Bae MSC numbers : 39B52, 39B72 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 737—745
 Fuglede-Putnam theorem for $p$-hyponormal or class ${mathcal Y}$ operators Salah Mecheri, K^{o}tar^{o} Tanahashi, and Atsushi Uchiyama MSC numbers : 47B20 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 747—753
 On the flatness and injectivity of dual modules (III) Zhaoyong Huang MSC numbers : 13C11, 16E50 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 755—762
 On the projective fourfolds with almost numerically positive canonical divisors Shigetaka Fukuda MSC numbers : 14E30, 14J35 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 763—770
 Iterative algorithms with errors for nonexpansive mappings in Banach spaces Jong Soo Jung MSC numbers : 47J25, 47H09, 47H10, 49M05 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 771—790
 Discussion on the analytic solutions of the second-order iterated differential equation Han Ze Liu and Wen Rong Li MSC numbers : 39B12, 30D05 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 791—804
 Commutator length of solvable groups satisfying max-n Mehri Akhavan-Malayeri MSC numbers : 20F16, 20F12 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 805—812
 Stationarity and $\beta$-mixing property of a mixture AR-ARCH models Oesook Lee MSC numbers : 62M10, 60J10 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 813—820
 Degenerate Principal Series for Exceptional $p$-adic Groups of type $G_2$ Seungil Choi MSC numbers : 2.20E+51 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 821—829
 Boehmians on the torus Dennis Nemzer MSC numbers : 44A40, 46F12, 42B05 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 831—839
 PL fibrators among products of hopfian manifolds Changsik Jeoung and Yongkuk Kim MSC numbers : Primary 57N15; 57R65, Secondary 57M99 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 841—846
 Modified Ishikawa Iterative sequences with errors for asymptotically set-valued pseudocontractive mappings in Banach Spaces Jong Kyu Kim and Young Man Nam MSC numbers : 47H05, 47H10, 47H15 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 847—860
 A note on a Choquet-Deny-type theorem Marcia Sayuri Kashimoto and Joao Bosco Prolla MSC numbers : 41A65, 46A55 Bull. Korean Math. Soc. 2006 Vol. 43, No. 4, 861—868