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 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 1—276Download front and back covers
 The fractional weak discrepancy of $(M, 2)$-free posets Jeong-Ok Choi MSC numbers : Primary 06A07, 05C78 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 1—12
 On fully filial torsion rings Ryszard Romuald Andruszkiewicz, Karol Pryszczepko MSC numbers : 16D25, 13C05 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 23—29
 Trees with equal strong Roman domination number and Roman domination number Xue-Gang Chen, Moo Young Sohn MSC numbers : 05C69, 05C38 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 31—44
 Meromorphic functions sharing 1CM+1IM concerning periodicities and shifts Xiao-Hua Cai, Jun-Fan Chen MSC numbers : 30D35, 30D30 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 45—56
 Extremal configurations of three or four symmetries on a Riemann surface Ewa Koz\l owska-Walania MSC numbers : Primary 30F99, 14H37; Secondary 20F Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 73—82
 A generalization of multiplication modules Jaime Castro Perez, Jos\'{e} R\'{\i}os Montes, Gustavo Tapia S\'{a}nchez MSC numbers : 16S90, 16D50, 16P50, 16P70 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 83—102
 A characterization of prime submodules of an injective module over a Noetherian ring Reza Nekooei, Zahra Pourshafiey MSC numbers : 13C11, 13C99 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 103—110
 New results on the pseudoredundancy Marcus Greferath, Zihui Liu, Xin-Wen Wu, Jens Zumbr\"agel MSC numbers : 94B05 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 111—130
 Repeated-root constacyclic codes of length $2p^s$ over Galois rings Chakkrid Klin-eam, Wateekorn Sriwirach MSC numbers : Primary 94B15, 94B05; Secondary 11T71 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 131—150
 Finding results for certain relatives of the Appell polynomials Mahvish Ali, Subuhi Khan MSC numbers : 33C45, 33C99, 33E20 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 151—167
 Nullity of the Levi-form and the associated subvarieties for pseudo-convex CR structures of hypersurface type Kuerak Chung, Chong-Kyu Han MSC numbers : Primary 32V05, 53A55; Secondary 32V25, 35N10 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 169—178
 A remark on QF rings Feng Feng, Liang Shen MSC numbers : Primary 16L60, 16D50 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 179—186
 Truncated Hankel operators and their matrices Bartosz {\L}anucha, Ma{\l}gorzata Michalska MSC numbers : 47B32, 47B35, 30H10 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 187—200
 Ricci curvature, circulants, and extended matching conditions Mehmet Da\v{g}l{\i}, Oktay Olmez, Jonathan D. H. Smith MSC numbers : 05C10, 05C81 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 201—217
 Semisymmetric properties of almost coK\"ahler 3-manifolds Uday Chand De, Pradip Majhi, Young Jin Suh MSC numbers : 53C15, 53C25 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 219—228
 Some integrations on null hypersurfaces in Lorentzian manifolds Fortun\'{e} Massamba, Samuel Ssekajja MSC numbers : Primary 53C50; Secondary 53C12, 53C40 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 229—243
 Curvature homogeneity and ball-homogeneity on almost coK\"{a}hler 3-manifolds Yaning Wang MSC numbers : Primary 53D15; Secondary 53C30, 53C25 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 253—263
 A nonlinear convex splitting Fourier spectral scheme for the Cahn--Hilliard equation with a logarithmic free energy Junseok Kim, Hyun Geun Lee MSC numbers : 35Q99, 65M70 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 265—276
 Second cohomology of $\mathfrak{aff}(1)$ acting on $n$-ary differential operators Imed Basdouri, Ammar Derbali, Soumaya Saidi MSC numbers : 17B56, 17B67, 53D55 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 13—22
 On clean and nil clean elements in skew t.u.p. monoid rings Ebrahim Hashemi, Marzieh Yazdanfar MSC numbers : 16U60, 06F05, 16S34, 16S35 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 57—71
 A note on boundary blow-up problem of $\Delta u=u^p$ Seick Kim MSC numbers : Primary 35J65; Secondary 35B05 Bull. Korean Math. Soc. 2019 Vol. 56, No. 1, 245—251