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Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 897—1117
$L^2$-error analysis of fully discrete discontinuous Galerkin approximations for nonlinear Sobolev equations
Mi Ray Ohm and Hyun Young Lee
MSC numbers : 65M15, 65N30
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 897—915
Generalized derivations with annihilator conditions in prime rings
Yu Wang
MSC numbers : 16W25, 16N60, 16R50
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 917—922
Strong limit theorems for weighted sums of NOD sequence and exponential inequalities
Xuejun Wang, Shuhe Hu, and Andrei I. Volodin
MSC numbers : 60F15, 60E15
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 923—938
Matching theorems and simultaneous relation problems
Mircea Balaj and Lucian Coroianu
MSC numbers : 47H10, 49J53
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 939—949
A note on the Br\"{u}ck conjecture
Feng L\"{u}
MSC numbers : 30D35, 30D45
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 951—957
On the stability of bi-derivations in Banach algebras
Yong-Soo Jung and Kyoo-Hong Park
MSC numbers : 39B72, 39B52
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 959—967
Ranks of submatrices in a general solution to a quaternion system with applications
Hua-Sheng Zhang and Qing-Wen Wang
MSC numbers : 15A03, 15A09, 15A24, 11R52
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 969—990
An iteration schemes for nonexpansive mappings and variational inequalities
Hongjun Wang and Yisheng Song
MSC numbers : 47H06, 47J05, 47J25, 47H10, 47H17
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 991—1002
Convolutions of white noise operators
Un Cig Ji and Young Yi Kim
MSC numbers : Primary 60H40; Secondary 46F25
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 1003—1014
On fixed points on compact Riemann surfaces
Grzegorz Gromadzki
MSC numbers : Primary 30F10; Secondary 14H37, 14H55, 20B25
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 1015—1021
An Ekeland type variational principle on gauge spaces with applications to fixed point theory, drop theory and coercivity
Jong-Sook Bae, Seong-Hoon Cho, and Jeong-Jin Kim
MSC numbers : 54H25, 49J40, 49J45
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 1023—1032
Multiplicative set of idempotents in a semiperfect ring
Sangwon Park and Juncheol Han
MSC numbers : Primary 16L30; Secondary 16U60
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 1033—1039
A new kind of the law of the iterated logarithm for product of a certain partial sums
Qing-Pei Zang
MSC numbers : 60F15
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 1041—1046
Existence and uniqueness of positive solutions for second-order Sturm-Liouville and multi-point problems on time scales
Yanbin Sang, Zhongli Wei, and Wei Dong
MSC numbers : 34B15, 39A10
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 1047—1061
Approximation of cubic mappings with $n$-variables in $\beta$-normed left Banach modules on Banach algebras
Majid Eshaghi Gordji, Hamid Khodaei, and Abbas Najati
MSC numbers : 39B82, 39B52, 46H25
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 1063—1078
Convergence of the Newton's method for an optimal control problems for Navier-Stokes equations
Youngmi Choi, Sangdong Kim, and Hyung-Chun Lee
MSC numbers : 65N30, 49K20
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 1079—1092
Compact matrix operators between the spaces $m(\phi)$, $n(\phi)$ and $\ell_{p}$
Eberhard Malkowsky and Mohammad Mursaleen
MSC numbers : Primary 46B15; Secondary 46B45
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 1093—1103
Approximation and interpolation in the space of continuous functions vanishing at infinity
M\'arcia Kashimoto
MSC numbers : Primary 41A65; Secondary 41A05
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 1105—1109
Radial symmetry of topological solutions in the self-dual Maxwell-Chern-Simons gauged $O(3)$ sigma model
Kyungwoo Song
MSC numbers : 81T13, 35B40, 35J61
Bull. Korean Math. Soc. 2011 Vol. 48, No. 5, 1111—1117

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