Journal of the Chungcheong Mathematical Society

Volume 31, No. 2, May 2018

CONTENTS


General solution and Ulam-Hyers stability of viginti functional equations in multi-Banach spaces
Ramdoss Murali, Abasalt Bodaghi, and Aruldass Antony Raj
199
On Hardy and P\'olya-Knopp's Inequalities
Ern Gun Kwon and Min Ju Jo
231
Weak co-$T$-cofibrations and homology decompositions
Yeon Soo Yoon
239
On symmetric bi-multipliers of subtraction algebras
Kyung Ho Kim
247
Existence of even number of positive solutions to system of fractional order boundary value problems
B. M. B. Krushna and K. R. Prasad
255
Self-dual codes and antiorthogonal matrices over Galois rings
Sunghyu Han
269