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Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 537—794
Curvature estimates for gradient expanding Ricci solitons
Liangdi Zhang
MSC numbers : Primary 53C21, 53C25
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 537—557
Invariant mean value property and $\mathcal M$-harmonicity on the half-space
Boo Rim Choe, Kyesook Nam
MSC numbers : Primary 31B05; Secondary 31B10, 30D45, 30D55
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 559—572
Polynomiality of the equivariant Gromov-Witten theory of $\mathbb P^{r-1}$
Hyenho Lho
MSC numbers : 14D23
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 573—591
Fourier coefficients of weight 2 modular forms of prime level
Yan-Bin Li
MSC numbers : 11F30, 11D45, 11E41, 11F11
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 593—602
Multiplicative functions which are additive on triangular numbers
Poo-Sung Park
MSC numbers : 11P32, 11A25
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 603—608
Fermat's equation over 2-by-2 matrices
Mao-Ting Chien, Jie Meng
MSC numbers : Primary 15A24, 11D41
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 609—616
Linear automorphisms of smooth hypersurfaces giving Galois points
Taro Hayashi
MSC numbers : Primary 14J70; Secondary 12F10
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 617—635
Decomposition of the Kronecker sums of matrices into a direct sum of irreducible matrices
Caixing Gu, Jaehui Park, Chase Peak, Jordan Rowley
MSC numbers : Primary 47A15, 15A21; Secondary 47L40, 15A69
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 637—657
Additive maps of semiprime rings satisfying an Engel condition
Tsiu-Kwen Lee, Yu Li, Gaohua Tang
MSC numbers : Primary 16R60, 16N60
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 659—668
Admissible inertial manifolds for infinite delay evolution equations
Le Anh Minh
MSC numbers : Primary 34K30, 35B40, 35K58, 37L25
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 669—688
On artinianness of general local cohomology modules
Nguyen Minh Tri
MSC numbers : Primary 13D45, 13E10
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 689—698
On ampliation quasiaffine transforms of operators
Eungil Ko
MSC numbers : Primary 47A11; Secondary 47A10, 47B20
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 699—710
Some results of monomial ideals on regular sequences
Reza Naghipour, Somayeh Vosughian
MSC numbers : 13A15, 13E05
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 711—720
The convex hull of three boundary points in complex hyperbolic space
Youngju Kim
MSC numbers : Primary 30C65, 20H10; Secondary 51M10, 22E40, 32G07
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 721—727
Global axisymmetric solutions to the 3D Navier--Stokes--Poisson--Nernst--Planck system in the exterior of a cylinder
Jihong Zhao
MSC numbers : Primary 35B07, 35D35, 35K55, 76W05
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 729—744
Real-variable characterizations of variable Hardy spaces on Lipschitz domains of ${{{\mathbb R}^n}}$
Xiong Liu
MSC numbers : Primary 42B30; Secondary 42B25, 46A20, 42B35, 46E30
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 745—765
Schatten-Herz class Toeplitz operators on weighted Bergman spaces induced by doubling weights
Juntao Du, Songxiao Li
MSC numbers : Primary 30H20, 47B35
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 767—779
A bound on H\"older regularity for $\overline \partial$-equation on pseudoconvex domains in $\mathbb C^n$ with some comparable eigenvalues of the Levi-form
Sanghyun Cho
MSC numbers : Primary 32W05, 32T25, 32F18
Bull. Korean Math. Soc. 2021 Vol. 58, No. 3, 781—794

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