Journal of the Chungcheong Mathematical Society

Volume 29, No. 2, May 2016

CONTENTS


Existence of three solutions of non-homogeneous BVPs for singular differential systems with Laplacian operators
Xiaohui Yang and Yuji Liu
187
Half $b$ - connectedness in topological spaces
Takashi Noiri and Shyamapada Modak
221
Some generalizations of weakly $M$-semi-continuous and weakly $M$-precontinuous functions
Takashi Noiri and Valeriu Popa
229
On delta alpha derivative on time scales
Dafang Zhao, Xuexiao You, and Jian Cheng
255
Multi-degree reduction of B\'ezier curves with constraints of endpoints using Lagrange multipliers
Hasik Sunwoo
267
On the recurrence formula of the Euler zeta functions
Joonhyung Kim
283
The general solution and approximations of a decic type functional equation in various normed spaces
Mohan Arunkumar, Abasalt Bodaghi, John Michael Rassias, and Elumalai Sathya
287
Portfolio selection with income risk: a new approach
Byung Hwa Lim
329
Stochastic differential equation for white noise functionals
Un Cig Ji
337
Boundedness in functional differential systems via $t_{\infty}$-similarity
Yoon Hoe Goo
347
A remark on Fano manifolds of Picard number one and index greater than one
Nam-Hoon Lee
361
Pairwise semiopen and semiclosed mappings in intuitionistic smooth bitopological spaces
Jin Tae Kim and Seok Jong Lee
367
Optimal consumption, portfolio, and life insurance with borrowing constraint and risk aversion change
Ho-Seok Lee
375