2015
4
COMMUNICATIONS OF THE KOREAN MATHEMATICAL SOCIETY
30
VOL. 30, No. 4
October 2015
ISSN 1225-1763(Print)
ISSN 2234-3024(Online)
COMMUNICATIONS OF THE KOREAN MATHEMATICAL SOCIETY
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© Korean Mathematical Society, 2015
Published by the Korean Mathematical Society
Printed in Korea, October 2015
This work was supported by the Korean Federation of Science and Technology Societies
grant funded by the Korea government.
Continued from back cover
Topology
Ahmad Al-Omari, Takashi Noiri, and Mohd. Salmi Md. Noorani
Weak and strong forms of sT -continuous functions· · · · · · · · · · · · · · · · · · 493
Applied Mathematics
Kishor Chintanamrao Deshmukh and Yusuf Iqbal Quazi
Thermal stresses in a semi-infinite solid cylinder subjected to internal
heat generation · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 505
COMMUNICATIONS OF THE KOREAN MATHEMATICAL SOCIETY
VOLUME 30, NUMBER 4
October 2015
CONTENTS
Algebra and Number Theory
Young Bae Jun and Kyoung Ja Lee
A soft transfer and soft algebraic extension of int-soft subalgebras
and ideals in BCK/BCI-algebras · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
Ketsarin Jendana and Ratana Srithus
Coregularity of order-preserving self-mapping semigroups of fences · ·
Ahmad Moussavi and Kamal Paykan
Zero divisor graphs of skew generalized power series rings · · · · · · · · · · ·
Daeyeol Jeon
Weierstrass points on hyperelliptic modular curves· · · · · · · · · · · · · · · · · ·
Hashem Bordbar and Mohammad Mehdi Zahedi
Semi-prime closure operations on BCK-algebra · · · · · · · · · · · · · · · · · · · · ·
339
349
363
379
385
Analysis
Praveen Agarwal, Junesang Choi, and Shilpi Jain
Extended hypergeometric functions of two and three variables · · · · · ·
Sang Il Choi and Yoon Hoe Goo
Boundedness in the nonlinear functional differential systems · · · · · · · ·
Rehana Khan and Subuhi Khan
Operational calculus associated with certain families of generating
functions· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
Junesang Choi and Arjun Kumar Rathie
Certain summation formulas for Humbert’s double hypergeometric
series Ψ2 and Φ2 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
Min Feng Chen and Zong Sheng Gao
Entire solutions of differential-difference equation and Fermat type
q-difference differential equations · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
403
415
429
439
447
Geometry
Ji-Eun Lee
Pseudohermitian Legendre surfaces of Sasakian space forms· · · · · · · · · 457
Ahmed Mohammed Cherif, Mustapha Djaa, and Kaddour Zegga
Stable f -harmonic maps on sphere · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 471
Jong Ryul Kim
Volume ratios of a hypersurface relative to the FLRW space-time · · · 481
Continued on inside back cover