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 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 143—337Download front and back covers
 Hesitant fuzzy bi-ideals in semigroups Young Bae Jun, Kyoung Ja Lee, and Seok-Zun Song MSC numbers : 20M12, 20M99, 08A72 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 143—154
 Filters of residuated lattices based on soft set theory Young Bae Jun, Kyoung Ja Lee, Chul Hwan Park, and Eun Hwan Roh MSC numbers : 06F35, 03G25, 06D72 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 155—168
 Numerical range and SOT-convergency Abdolaziz Abdollahi and Mohammad Taghi Heydari MSC numbers : Primary 47A12; Secondary 47B33, 30H10 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 169—176
 Convergence theorems for a pair of asymptotically and multivalued nonexpansive mapping in CAT(0) spaces Naknimit Akkasriworn and Kritsana Sokhuma MSC numbers : 47H09, 47H10 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 177—189
 Certain new generating relations for products of two Laguerre polynomials Junesang Choi and Arjun Kumar Rathie MSC numbers : Primary 33B20, 33C20; Secondary 33B15, 33C05 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 191—200
 Remarks on nonlinear Dirac equations in one space dimension Hyungjin Huh MSC numbers : 35L03, 35L40, 35Q40, 35F25 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 201—208
 Strong and $\Delta$-convergence of a faster iteration process in hyperbolic space Sezgin Akbulut and Birol Gunduz MSC numbers : Primary 47H09, 47H10, 49M05 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 209—219
 Spectral classes and the parameter distribution set In-Soo Baek MSC numbers : Primary 28A78; Secondary 28A80 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 221—226
 $\pi$ and other formulae implied by hypergeometric summation theorems Yong Sup Kim, Arjun Kumar Rathie, and Xiaoxia Wang MSC numbers : 33C15, 33C20 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 227—237
 Some $\tau$-extensions of Lauricella functions of several variables Shyam Lal Kalla, Rakesh Kumar Parmar, and Sunil Dutt Purohit MSC numbers : Primary 33C05, 33C15, 33C20; Secondary 33C65, 33C99 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 239—252
 On differential invariants of hyperplane systems on nondegenerate equivariant embeddings of homogeneous spaces Jaehyun Hong MSC numbers : Primary 32Mxx, 53Cxx Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 253—267
 A remark on the conjugation in the Steenrod algebra Ne\c{s}et Den\.{I}z Turgay MSC numbers : Primary 55S10, 16T05, 57T05 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 269—276
 On maximal, minimal open and closed sets Ajoy Mukharjee MSC numbers : 54A05, 54D05 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 277—282
 Extremal atom-bond connectivity index of cactus graphs Ali Reza Ashrafi, Tayebeh Dehghan-Zadeh, and Nader Habibi MSC numbers : 05C07, 05C35 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 283—295
 Robust and accurate method for the Black--Scholes equations with payoff-consistent extrapolation Yongho Choi, Darae Jeong, Junseok Kim, Young Rock Kim, Seunggyu Lee, Seungsuk Seo, and Minhyun Yoo MSC numbers : Primary 91G60, 65N06 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 297—311
 $H$-$V$-super magic decomposition of complete bipartite graphs Solomon Stalin Kumar and Gurusamy Thevar Marimuthu MSC numbers : $05C78$, $05C70$ Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 313—325
 Optimality conditions for optimal control governed by Belousov-Zhabotinskii reaction model Sang-Uk Ryu MSC numbers : Primary 49K20 Commun. Korean Math. Soc. 2015 Vol. 30, No. 3, 327—337