# Bulletin of theKorean Mathematical SocietyBKMS

ISSN(Print) 1015-8634 ISSN(Online) 2234-3016

## Editorial Board

HOME ABOUT THE JKMS Editorial Board

#### EDITOR-IN-CHIEF

Seonja Kim Department of Electronics Engineering, Chungwoon University, Incheon 22100, Korea; E-mail: sjkim@chungwoon.ac.kr

#### MANAGING EDITORS

Bo-Hae Im Number Theory Department of Mathematical Sciences, KAIST, Daejeon 34141, Korea; E-mail: bhim@kaist.ac.kr Complex Analysis and Probability School of Mathematics, KIAS, Seoul 02455, Korea; E-mail: namgyu@kias.re.kr Partial Differential Equations Department of Mathematics, Sogang University, Seoul 04107, Korea; E-mail: kimh@sogang.ac.kr Geometry and Dynamics Department of Mathematical Sciences, Seoul National University, Seoul 08826, Korea; E-mail: slim@snu.ac.kr

#### EDITORS

Myoungjean Bae Partial Differential Equations Department of Mathematical Sciences, KAIST, Daejeon 34141, Korea; E-mail: mjbae@kaist.ac.kr Algebraic combinatorics, Spectral graph theory Department of Mathematics, Yeungnam University, Gyeongbuk 38541, Korea; E-mail: sjbang@ynu.ac.kr Analysis (Partial Differential Equation) Department of Mathematics and Institute of Pure and Applied Mathematics, Chonbuk National University, Jeonju 54896, Korea; E-mail: changocho@jbnu.ac.kr Algebraic Geometry Department of Mathematics, Konkuk University, Seoul 05029, Korea; E-mail: ischoe@konkuk.ac.kr Operator Theory, Analysis Mathematics Department, University of California, Santa Cruz, CA-95064, USA; E-mail: bkms.ehrhardt@gmail.com Complex Analysis of One Variable Department of Physics and Mathematics, University of Eastern Finland, Finland; E-mail: janne.heittokangas@uef.fi Harmonic Analysis Department of Mathematics, Chosun University, Gwangju 61452, Korea; E-mail: skhong@chosun.ac.kr Differential Geometry Department of Mathematics, Chung-Ang University, Seoul 06974, Korea; E-mail: seungsu@cau.ac.kr Algebraic Geometry Department of Mathematical Sciences, Seoul National University, Seoul 08826, Korea; E-mail: dhyeon@snu.ac.kr Mathematical Image Processing, Scientific Computing Department of Mathematics, Hankuk University of Foreign Studies, Yongin 17035, Korea; E-mail: mjung@hufs.ac.kr Complex Geometry, Algebraic Geometry, Several Complex Variables Department of Mathematical Sciences, Seoul National University, Seoul 08826, Korea; E-mail: kimdano@snu.ac.kr Ergodic Theory and Dynamical System, Metric Number Theory Department of Mathematics Education, Dongguk University, Seoul 04620, Korea; E-mail: kim2010@dgu.ac.kr Associative Rings and Algebras School of Basic Sciences, Hanbat National University, Daejeon 34158, Korea; E-mail: nkkim@hanbat.ac.kr Graph Theory, Combinatorics Department of Mathematics Education, Konkuk University, Seoul 05029, Korea; E-mail: skim12@konkuk.ac.kr Group Theory Department of Mathematics, Pusan National University, Busan 46241, Korea; E-mail: donghi@pusan.ac.kr Integral Operators, Inverse Problems, Composite Materials Department of mathematics, Inha University, Incheon 22212, Korea; E-mail: hdlee@inha.ac.kr Number Theory Department of Mathematics, Ewha Womans University, Seoul 03760, Korea; E-mail: yoonjinl@ewha.ac.kr Commutative Algebra, Combinatorial Commutative Algebra Department of Mathematics, Texas State University, San Marcos, TX 78666, USA; E-mail: morey@txstate.edu Commutative Algebra, Algebraic Geometry Department of Mathematics, University of Tennessee, Knoxville, TN 37996, USA; E-mail: smulay@utk.edu Algebraic Geometry, Commutative Algebra Department of Mathematics, Korea University, Seoul 02841, Korea; E-mail: euisungpark@korea.ac.kr Several Complex Variables, Complex Analysis Department of Mathematics, Kyung Hee University, Seoul 02447, Korea; E-mail: mathjdpark@khu.ac.kr Algebraic Geometry Department of Algebraic Geometry, Steklov Mathematical Institute, Moscow 119991, Russia; E-mail: prokhoro@mi.ras.ru Differential Geometry Department of Mathematics, Sookmyung Women’s University, Seoul 04310, Korea; E-mail: kseo@sookmyung.ac.kr Mathematical Finance Department of Mathematics, Sookmyung Women’s University, Seoul 04310, Korea; E-mail: yhshin@sookmyung.ac.kr Complex Analysis Graduate School of Information Sciences, Tohoku University, Sendai 980-8579, Japan; E-mail: sugawa@math.is.tohoku.ac.jp Operator Algebras Department of Mathematics and Computer Science, University of Southern Denmark, 5230 Odense M, Denmark; E-mail: szymanski@imada.sdu.dk Contact and symplectic topology and geometry, Hamiltonian dynamics Department of Mathematical Sciences, Seoul National University, Seoul 08826, Korea; E-mail: okoert@snu.ac.kr Coding Theory, Number Theory, Algebraic Geometry, Combinatorial Design, Cryptography Division of Mathematical Sciences, Nanyang Technological University, 637371, Singapore; E-mail: xingcp@ntu.edu.sg Harmonic Analysis Department of Mathematics, Korea University, Seoul 02841, Korea; E-mail: cw_yang@korea.ac.kr Mathematical Physics Department of Applied Mathematics, Hankyong National University, Anseong 17579, Korea; E-mail: yoohj@hknu.ac.kr Low Dimensional Topology (Geometric Topology) Department of Mathematics, Sungshin Women's University, Seoul 02844, Korea; E-mail: kyun@sungshin.ac.kr

## Current Issue

• ### On the existence of Graham partitions with congruence conditions

Byungchan Kim, Ji Young Kim, Chong Gyu Lee, Sang June Lee, Poo-Sung Park

Bull. Korean Math. Soc. 2022; 59(1): 15-25
https://doi.org/10.4134/BKMS.b200730

• ### Admissible balanced pairs over formal triangular matrix rings

Lixin Mao

Bull. Korean Math. Soc. 2021; 58(6): 1387-1400
https://doi.org/10.4134/BKMS.b200924

• ### On weighted Browder spectrum

Preeti Dharmarha, Sarita Kumari

Bull. Korean Math. Soc. 2022; 59(1): 1-13
https://doi.org/10.4134/BKMS.b200328

• ### One-sided fattening of the graph in the real projective plane

Jaeyoo Choy, Hahng-Yun Chu

Bull. Korean Math. Soc. 2022; 59(1): 27-43
https://doi.org/10.4134/BKMS.b201080

• ### On weighted Browder spectrum

Preeti Dharmarha, Sarita Kumari

Bull. Korean Math. Soc. 2022; 59(1): 1-13
https://doi.org/10.4134/BKMS.b200328

• ### On the existence of Graham partitions with congruence conditions

Byungchan Kim, Ji Young Kim, Chong Gyu Lee, Sang June Lee, Poo-Sung Park

Bull. Korean Math. Soc. 2022; 59(1): 15-25
https://doi.org/10.4134/BKMS.b200730

• ### Sasakian 3-Metric as a $\ast$-Conformal Ricci Soliton Represents a Berger Sphere

Dibakar Dey

Bull. Korean Math. Soc. 2022; 59(1): 101-110
https://doi.org/10.4134/BKMS.b210125

• ### Entire solutions of differential-difference equations of Fermat type

Peichu Hu, Wenbo Wang, Linlin Wu

Bull. Korean Math. Soc. 2022; 59(1): 83-99
https://doi.org/10.4134/BKMS.b210099