Koyo Hayashi

According to our database, Koyo Hayashi authored at least 10 papers between 2018 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2026

On the size of two minimal linkages.

Koyo Hayashi, Ken-ichi Kawarabayashi, Daiki Kobayashi

J. Comb. Theory B, 2026

2025

Chasing Tripods to Obtain a Rooted Subdivision.

Koyo Hayashi, Ken-ichi Kawarabayashi, Youngho Yoo

SIAM J. Discret. Math., 2025

2024

Two Flags in a Semimodular Lattice Generate an Antimatroid.

Koyo Hayashi, Hiroshi Hirai

Order, August, 2024

Finding Hall Blockers by Matrix Scaling.

Koyo Hayashi, Hiroshi Hirai, Keiya Sakabe

Math. Oper. Res., 2024

2023

Rooted topological minors on four vertices.

Koyo Hayashi, Ken-ichi Kawarabayashi

J. Comb. Theory B, 2023

2022

Linking four vertices in graphs of large connectivity.

Koyo Hayashi

J. Comb. Theory B, 2022

Finding Hall blockers by matrix scaling.

Koyo Hayashi, Hiroshi Hirai

CoRR, 2022

2019

Correction to: Counting Minimum Weight Arborescences.

Koyo Hayashi, Satoru Iwata

Algorithmica, 2019

2018

Counting Minimum Weight Arborescences.

Koyo Hayashi, Satoru Iwata

Algorithmica, 2018

A Polynomial Time Algorithm to Compute Geodesics in CAT(0) Cubical Complexes.

Koyo Hayashi

Proceedings of the 45th International Colloquium on Automata, Languages, and Programming, 2018