Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, : 1053—1314
Complete spacelike hypersurfaces with CMC in Lorentz Einstein manifolds
Jiancheng Liu, Xun Xie
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1053—1068
Some results on 1-absorbing primary and weakly 1-absorbing primary ideals of commutative rings
Reza Nikandish, Mohammad Javad Nikmehr, Ali Yassine
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1069—1078
New congruences with the generalized Catalan numbers and harmonic numbers
Laid Elkhiri, Sibel Koparal, Ne\c{s}e \"{O}m\"{u}r
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1079—1095
A note on stabilization heights of fiber surfaces and the Hopf invariants
Keiji Tagami
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1097—1107
Long-time behavior of a family of incompressible three-dimensional Leray-$\alpha$-like models
Cung The Anh, Le Thi Thuy, Le Tran Tinh
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1109—1127
A note on the finite-dimensional odd Contact superalgebra over a field of prime characteristic
Weidong Hong, Xiaoning Xu
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1129—1147
New bounds for fundamental units and class numbers of real quadratic fields
Sevcan I\c{s}ikay, Ayten Pek{$\dot{\textsc i}$}n
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1149—1161
MacWilliams identity for linear codes over finite chain rings with respect to homogeneous weight
Mina Moeini, Rashid Rezaei, Karim Samei
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1163—1173
Meromorphic function partially shares small functions or values with its linear $c$-shift operator
Abhijit Banerjee, Sayantan Maity
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1175—1192
Characterization of Lie type derivation on von Neumann algebra with local actions
Mohammad Ashraf, Aisha Jabeen
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1193—1208
$(\sigma, \sigma)$-derivation and $(\sigma, \tau)$-weak amenability of Beurling algebra
Lin Chen, Jianhua Zhang
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1209—1219
Commutative rings and modules that are $r$-Noetherian
Adam Anebri, Najib Mahdou, \"{U}nsal Tekir
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1221—1233
A remark on $L^2$ extension theorems
Dano Kim
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1235—1245
On barycentric transformations of Fano polytopes
DongSeon Hwang, Yeonsu Kim
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1247—1260
Duality of weighted sum formulas of alternating multiple $T$-values
Ce Xu
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1261—1278
On Erd\H os chains in the plane
Jonathan Passant
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1279—1300
On the geometry of the crossed product of groups
F\i rat Ate\c{s}, Ahmet Sinan \c{C}evik, Eylem G\"{u}zel Karpuz
Bull. Korean Math. Soc. 2021 Vol. 58, No. 5, 1301—1314

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