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 << Previous Issue Bulletin of the Korean Mathematical Society (Vol. 58, No. 2)
 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 269—535Download front and back covers
 Stability of partially pexiderized exponential-radical functional equation Chang-Kwon Choi MSC numbers : 39B82 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 269—275
 Rough maximal singular integral and maximal operators supported by subvarieties Daiqing Zhang MSC numbers : 42B20, 42B25, 42B15, 47G10 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 277—303
 Some inverse results of sumsets Min Tang, Yun Xing MSC numbers : 11B13 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 305—313
 Unified Apostol-Korobov type polynomials and related polynomials Burak Kurt MSC numbers : Primary 11B68, 11B83, 11S30, 05A19, 05A40 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 315—326
 H-Toeplitz operators on the Bergman space Anuradha Gupta, Shivam Kumar Singh MSC numbers : Primary 47B35; Secondary 46E20 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 327—347
 Optimal surrender time for a variable annuity with a fixed insurance fee Junkee Jeon, Kyunghyun Park MSC numbers : Primary 37H10, 35Q93, 91-08 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 349—364
 Dualities of variable anisotropic Hardy spaces and boundedness of singular integral operators Wenhua Wang MSC numbers : Primary 42B20; Secondary 42B30, 46E30 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 365—384
 On nonlinear elliptic equations with singular lower order term Amine Marah, Hicham Redwane MSC numbers : Primary 35J62, 35J75 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 385—401
 On the mixed radial-angular integrability of Littlewood-Paley functions Xiao Zhang MSC numbers : Primary 42B25, 42B20 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 403—417
 The infinite growth of solutions of second order linear complex differential equations with completely regular growth coefficient Guowei Zhang MSC numbers : 30D35, 34M10, 37F10 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 419—431
 Random chord in a circle and Bertrand's paradox: New generation method, extreme behaviour and length moments Zoran Vidovi\'c MSC numbers : Primary 60D05, 60G70 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 433—444
 Relative self-closeness numbers Toshihiro Yamaguchi MSC numbers : 55P10, 55P62, 55Q05, 55R05 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 445—449
 Remarks on the infinity wave equation Hyungjin Huh MSC numbers : 35L80, 35L72, 34A05 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 451—459
 Invertibility of generalized Bessel multipliers in Hilbert $C^{*}$-modules Gholamreza Abbaspour Tabadkan, Hessam Hosseinnezhad MSC numbers : Primary 42C15, 46L08 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 461—479
 Bergman spaces, Bloch spaces and integral means of $p$-harmonic functions Xi Fu, Jinjing Qiao MSC numbers : Primary 32A18, 31B05, 30C65 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 481—495
 Gorenstein projective dimensions of complexes under base change with respect to a semidualizing module Chunxia Zhang MSC numbers : Primary 13D25, 16E65 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 497—505
 A note on vector-valued Eisenstein series of weight $3/2$ Ran Xiong MSC numbers : 11E41, 11F37, 11F30 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 507—514
 Boolean multiplicative convolution and Cauchy-Stieltjes kernel families Raouf Fakhfakh MSC numbers : 60E10, 46L54 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 515—526
 Algebraic ranks of the fundamental groups of high dimensional graph manifolds Raeyong Kim MSC numbers : Primary 20F65, 20E08; Secondary 20F67 Bull. Korean Math. Soc. 2021 Vol. 58, No. 2, 527—535