Journal of the Chungcheong Mathematical Society

Volume 27, No. 2, May 2014

CONTENTS


Characterizations of the gamma distribution by independence property of random variables
Hyun-Woo Jin and Min-Young Lee		 157
Rado's and Poponov's inequalities of probability measures for positive real numbers
Hosoo Lee and Sejong Kim 		165
Frequently convergent solutions of a difference equation
Hui Li, Fanqiang Bu, and Yuanhong Tao		 173
On continued fractions, fundamental units and class numbers of real quadratic function fields
Pyung-Lyun Kang		 183
Galois structures of defining fields of families of elliptic curves with cyclic torsion
Daeyeol Jeon		 205
A note on surfaces in the normal bundle of a curve
Doohann Lee and HeungSu Yi		 211
An optimal consumption and investment problem with labor income and regime switching
Yong Hyun Shin		 219
On generalized derivations of $BE$-algebras
Kyung Ho Kim		 227
Pricing multi-asset derivatives with regime-switching volatilities
Kum-Hwan Roh		 237
On characterizations of Pareto and Weibull distributions by considering conditional expectations of upper record values
Hyun-Woo Jin and Min-Young Lee		 243
Relationship between the Wiener integral and the analytic Feynman integral of cylinder function
Byoung Soo Kim		 249
The generalized Hyers-Ulam stability of quadratic functional equation with an involution in non-Archimedean spaces
Chang Il Kim and Chang Hyeob Shin		 261
A note on a regularized gap function of QVI in Banach spaces
Sangho Kum		 271
The pentagonal fuzzy numbers
Bongju Lee and Yong Sik Yun		 277
Representations of the automorphism group of a supersingular K3 surface of Artin-invariant 1 over odd characteristic
Junmyeong Jang		 287
Some properties of derivations on $CI$-algebras
Yong Hoon Lee and Min Surp Rhee		 297
Chemical hyperstructures for vanadium
Sang-Cho Chung		 309
Chemical hyperstructures of chemical reactions for iron and indium
Kang Moon Chun		 319
The Riemann delta integral on time scales
Jae Myung Park, Deok Ho Lee, Ju Han Yoon, Young Kuk Kim, and Jong Tae Lim		 327
Boundedness in nonlinear perturbed functional differential systems
Sang Il Choi, Dong Man Im, and Yoon Hoe Goo		 335