Journal of the Chungcheong Mathematical Society

Volume 33, No. 4, November 2020

CONTENTS


Symmetries on Trans-Sasakian Space Forms
Sibsankar Panda, Arindam Bhattacharya, Kalyan Halder
375
FIXED POINTS FOR SOME CONTRACTIVE MAPPING IN PARTIAL METRIC SPACES
Chang Il Kim, Giljun Han
387
Fuzzy ε-subalgebras (ideals) in BCI-algebras
Young Bae Jun, Kyoung Ja Lee
395
Some properties of Closure-Sequential Approach Spaces
Hyeikyung Lee
405
Zero commuting matrix with Pascal matrix
Eunmi Choi
413
Various centroids of quadrilaterals without symmetry
Incheon Kim, Dong-Soo Kim
429
Asymptotic stabilization for a dispersive-dissipative equation with time-dependent damping terms
Su-Cheol Yi
445
Chemical Hyperstructures for Stratospheric Ozone Depletion
Sang-Cho Chung, Kang Moon Chun
469
Note on a class of integral operators of Szeg\"o type
Jongho Yang
489
Approximate identity of convolution Banach algebras
Hyuk Han
497
Multi-parameter Tikhonov regularization problem with multiple right hand sides
SeYoung Oh, SunJoo Kwon
505