Publications
17. Sho Kubota, Kiyoto Yoshino,
Circulant graphs with valency up to 4 that admit perfect state transfer in Grover walks.
Journal of Combinatorial Theory, Series A 216 106064 (2025). [arXiv]
16. Sho Kubota, Hiroto Sekido, Kiyoto Yoshino,
Regular graphs to induce even periodic Grover walks.
Discrete Mathematics 348(3), 114345 (2025). [arXiv]
15. Yusuke Higuchi, Sho Kubota, Etsuo Segawa,
On symmetric spectra of Hermitian adjacency matrices for non-bipartite mixed graphs.
Discrete Mathematics 347(5) 113911 (2024). [arXiv]
14. Takashi Komatsu, Norio Konno, Sho Kubota, Iwao Sato,
The trace formula with respect to the twisted Grover matrix of a mixed digraph.
Yokohama Mathematical Journal, 60 (2024). [arXiv]
13. Sho Kubota, Sho Suda, Akane Urano,
Mutually orthogonal Sudoku Latin squares and their graphs.
Graphs and Combinatorics 39(6) (2023). [arXiv]
12. Ayaka Ishikawa, Sho Kubota, Etsuo Segawa,
A convergence time of Grover walk on regular graph to stationary state.
Linear and Multilinear Algebra 1-12 (2023). [arXiv]
11. Sho Kubota,
Combinatorial necessary conditions for regular graphs to induce periodic quantum walks.
Linear Algebra and its Applications, Volume 673, Pages 259--279 (2023). [arXiv]
10. Sho Kubota,
Periodicity of Grover walks on bipartite regular graphs with at most five distinct eigenvalues,
Linear Algebra and its Applications, Volume 654, Pages 125--142 (2022). [arXiv]
9. Sho Kubota, Etsuo Segawa,
Perfect state transfer in Grover walks between states associated to vertices of a graph,
Linear Algebra and its Applications, Volume 646, Pages 238--251 (2022). [arXiv]
8. Sho Kubota, Kei Saito, Yusuke Yoshie,
A new type of spectral mapping theorem for quantum walks with a moving shift on graphs,
Quantum Information Processing volume 21, Article number: 159 (2022). [arXiv]
7. Sho Kubota, Hiroto Sekido, Harunobu Yata,
Periodicity of quantum walks defined by mixed paths and mixed cycles,
Linear Algebra and its Applications, Volume 630, Pages 15--38, (2021). [arXiv]
6. Sho Kubota, Etsuo Segawa, Tetsuji Taniguchi,
Quantum walks defined by digraphs and generalized Hermitian adjacency matrices,
Quantum Information Processing volume 20, Article number: 95 (2021). [arXiv]
5. Sho Kubota, Tetsuji Taniguchi, Kiyoto Yoshino,
On Graphs with the Smallest Eigenvalue at Least $−1−\sqrt{2}$, part III,
Ars Mathematica Contemporanea, 17, 555--579, (2019).
4. Sho Kubota, Etsuo Segawa, Tetsuji Taniguchi, Yusuke Yoshie,
A quantum walk induced by Hoffman graphs and its periodicity,
Linear Algebra and its Application, Volume 579, Pages 217--236, (2019).
3. Sho Kubota, Etsuo Segawa, Tetsuji Taniguchi, Yusuke Yoshie,
Periodicity of Grover walks on generalized Bethe trees,
Linear Algebra and its Application, Volume 554, Pages 371--391, (2018). [arXiv]
2. Sho Kubota,
Unification of graph products and compatibility with switching,
Graphs and Combinatorics, Volume 33, Issue 5, pp 1347--1355 (2017). [arXiv]
1. Sho Kubota,
Strongly regular graphs with the same parameters as the symplectic graph,
Siberian Electronic Mathematical Reports, 13, 1314--1338 (2016). [arXiv]
Preprints (submitted)
2. Sho Kubota, Hiroto Sekido, Harunobu Yata, Kiyoto Yoshino,
Strongly regular and strongly walk-regular graphs that admit perfect state transfer. [arXiv]
1. Michitaka Furuya, Sho Kubota, Tetsuji Taniguchi, Kiyoto Yoshino,
The uniqueness of covers for widely generalized line graphs. [arXiv]
Books
1. Yeong-Nan Yeh (Speaker), Yuhei Inoue, Sho Kubota (Writer),
Tutte polynomials,
数学レクチャーノートシリーズ, 東北大学大学院理学研究科/東北大学大学院情報科学研究科 (2016).