Journal of the Chungcheong Mathematical Society

Volume 29, No. 1, February 2016

CONTENTS


Asymptotic property for nonlinear perturbed functional differential systems
Dong Man Im and Yoon Hoe Goo
1
Double $(r,s)(u,v)$-preopen sets
Eun Pyo Lee and Seung On Lee
13
Characterizations of flows near closed sets
Ki Shik Koo
23
On solution set for convex optimization problem with convex integrable objective function and geometric constraint set
Gue Myung Lee and Jae Hyoung Lee
29
On generalized derivations of $BCH$-algebras
Kyung Ho Kim
37
Almost periodicity in differential equations
Sung Kyu Choi, Youn Hee Kim, and Namjip Koo
49
A weighted global generalized cross validation for Gl-CGLS regularization
Seiyoung Chung, SunJoo Kwon, and SeYoung Oh
59
Some umbral characteristics of the actuarial polynomials
Eun Woo Kim and Yu Seon Jang
73
Generalized quadratic functional equation with several variables and its Hyers-Ulam stability
Hark-Mahn Kim and Hong Mei Liang
83
An approximation for the queue length distribution in a multi-server retrial queue
Jeongsim Kim
95
Stability of an additive functional inequality in Banach spaces
Sang-Cho Chung
103
On Henstock-Stieltjes integrals of interval-valued functions on time scales
Ju Han Yoon
109
On the ratio of relative congruence zeta functions of cyclotomic function fields
Jaehyun Ahn
117
The transforms of Pythagorean and quadratic means of weighted shifts
Sang Hoon Lee
123
Completions of Hankel partial contractions of size $% 5\times 5$ non-extremal case
Sang Hoon Lee
137
Continuum-wise expansive homeomorphisms with shadowing
Keonhee Lee and Seunghee Lee
151
On $C$-delta integral of Banach space valued functions on time scales
Ju Han Yoon
157
A short remark on control systems
Hahng-Yun Chu, Se-Hyun Ku, and Seung Ki Yoo
165
Shadowing property on multi-valued dynamical systems
Hahng-Yun Chu, Se-Hyun Ku, and Jong-Suh Park
171
Principal fibrations and generalized $H$-spaces
Yeon Soo Yoon
177