Publications

논문 및 학술 발표

Preprints

Optimal b-colourings and fall colourings in H-free graphs
Jungho Ahn, Tala Eagling-Vose, Felicia Lucke, David Manlove, Fabricio Mendoza, and Daniël Paulusma
March 2026
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Unavoidable pivot-minors in graphs of large rank-depth
Jungho Ahn, Kevin Hendrey, O-joung Kwon, and Sang-il Oum
July 2025
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Finding d-cuts in claw-free graphs
Jungho Ahn, Tala Eagling-Vose, Felicia Lucke, Daniël Paulusma, and Siani Smith
May 2025
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Approximating maximum cut on interval graphs and split graphs beyond Goemans-Williamson
Jungho Ahn, Ian DeHaan, Eun Jung Kim, and Euiwoong Lee
July 2025
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A coarse Erdős-Pósa theorem
Jungho Ahn, Pascal Gollin, Tony Huynh, and O-joung Kwon
January 2025
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Twin-width one
Jungho Ahn, Hugo Jacob, Noleen Köhler, Christophe Paul, Amadeus Reinald, and Sebastian Wiederrecht
January 2025
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Spectral integral variation of signed graphs
Jungho Ahn, Cheolwon Heo, and Sunyo Moon
January 2024
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Accepted Journal Papers

Unified almost linear kernels for generalized covering and packing problems on nowhere dense classes
Jungho Ahn, Jinha Kim, and O-joung Kwon
Journal of Computer and System Sciences (JCSS)
August 2026
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The proper conflict-free k-coloring problem and the odd k-coloring problem are NP-complete on bipartite graphs
Jungho Ahn, Seonghyuk Im, and Sang-il Oum
Discrete Applied Mathematics (DAM)
December 2025
PDF
Twin-width of random graphs
Jungho Ahn, Debsoumya Chakraborti, Kevin Hendrey, Donggyu Kim, and Sang-il Oum
Random Structures & Algorithms (RSA)
June 2024
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A polynomial kernel for 3-lear power deletion
Jungho Ahn, Eduard Eiben, O-joung Kwon, and Sang-il Oum
Algorithmica
May 2023
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Bounds for the twin-width of graphs
Jungho Ahn, Kevin Hendrey, Donggyu Kim, and Sang-il Oum
SIAM Journal on Discrete Mathematics (SIDMA)
September 2022
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Well-partitioned chordal graphs
Jungho Ahn, Lars Jaffke, O-joung Kwon, and Paloma T. Lima
Discrete Mathematics (Discrete Math.)
May 2022
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Towards constant-factor approximation for chordal/distance-hereditary vertex deletion
Jungho Ahn, Eun Jung Kim, and Euiwoong Lee
Algorithmica
April 2022
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Twin-width of subdivisions of multigraphs
Jungho Ahn, Debsoumya Chakraborti, Kevin Hendrey, and Sang-il Oum
SIAM Journal on Discrete Mathematics (SIDMA)
April 2025
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Refereed Conference Papers

Finding d-cuts in claw-free graphs
Jungho Ahn, Tala Eagling-Vose, Felicia Lucke, Daniël, Paulusma, and Siani Smith
The 36th International Symposium on Algorithms and Computation (ISAAC 2025)
December 2025
PDF
Approximating maximum cut on interval and split graphs beyond Goemans-Williamson
Jungho Ahn, Ian DeHaan, Eun Jung Kim, and Euiwoong Lee
The 28th International Conference on Approximation Algorithms for Combinatorial Optimization Problems (APPROX 2025)
August 2025
PDF
Twin-width one
Jungho Ahn, Hugo Jacob, Noleen Köhler, Christophe Paul, Amadeus Reinald, and Sebastian Wiederrecht
The 42nd International Symposium on Theoretical Aspects of Computer Science (STACS 2025)
March 2025
PDF
A coarse Erdős-Pósa theorem
Jungho Ahn, Pascal Gollin, Tony Huynh, and O-joung Kwon
The 36th ACM-SIAM Symposium on Discrete Algorithms (SODA25)
January 2025
PDF
Unified almost linear kernels for generalized covering and packing problems on nowhere dense classes
Jungho Ahn, Jinha Kim, and O-joung Kwon
The 34th International Symposium on Algorithms and Computation (ISAAC 2023)
December 2023
PDF
Three problems on well-partitioned chordal graphs
Jungho Ahn, lars Jaffke, O-joung Kwon, and Paloma T. Lima
The 12th International Conference on Algorithms and Complexity (CIAC 2021)
May 2021
PDF
Towards constant-factor approximation for chordal/distance-hereditary vertex deletion
Jungho Ahn, Eun Jung Kim, and Euiwoong Lee
The 31st International Symposium on Algorithms and Computation (ISAAC 2020)
December 2020
PDF
A polynomial kernel for 3-leaf power deletion
Jungho Ahn, Eduard Eiben, O-joung Kwon, and Sang-il Oum
The 45th International Symposium on Mathematical Foundations of Computer Science (MFCS 2020)
August 2020
PDF
Well-partitioned chordal graphs: obstruction set and disjoint paths
Jungho Ahn, Lars Jaffke, O-joung Kwon, and Paloma T. Lima
The 46th Graph-Theoretic Concepts in Computer Science (WG 2020)
June 2020
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