Research Output per year

## Fingerprint Dive into the research topics where Hiroshi Nishiyama is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

- 2 Similar Profiles

Hamiltonians
Engineering & Materials Science

Hamiltonian circuit
Mathematics

Parity
Mathematics

Covering Graph
Mathematics

Directed graphs
Engineering & Materials Science

Directed Graph
Mathematics

Graph in graph theory
Mathematics

Hamiltonicity
Mathematics

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Network
Recent external collaboration on country level. Dive into details by clicking on the dots.

## Research Output 2016 2018

### The parity Hamiltonian cycle problem

Nishiyama, H., Kobayashi, Y., Yamauchi, Y., Kijima, S. & Yamashita, M., Mar 2018, In : Discrete Mathematics. 341, 3, p. 606-626 21 p.Research output: Contribution to journal › Article

Hamiltonians

Hamiltonian circuit

Parity

Walk

Graph in graph theory

### Hamiltonian cycles in covering graphs of trees

Hell, P., Nishiyama, H. & Stacho, L., Jan 1 2017,*Combinatorial Optimization and Applications - 11th International Conference, COCOA 2017, Proceedings.*Gao, X., Du, H. & Han, M. (eds.). Springer Verlag, p. 261-275 15 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10628 LNCS).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Covering Graph

Hamiltonians

Hamiltonian circuit

Hamiltonicity

Assignment

1
Citation
(Scopus)

### The parity hamiltonian cycle problem in directed graphs

Nishiyama, H., Yamauchi, Y., Kijima, S. & Yamashita, M., Jan 1 2016,*Combinatorial Optimization - 4th International Symposium, ISCO 2016, Revised Selected Papers.*Fujishige, S., Mahjoub, R. A. & Cerulli, R. (eds.). Springer Verlag, p. 50-58 9 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9849 LNCS).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hamiltonians

Hamiltonian circuit

Directed graphs

Directed Graph

Parity