# Hiroyuki Tsutsumi

> Ph.D. Kyushu University 2004

**Wikidata**: [Q102430457](https://www.wikidata.org/wiki/Q102430457)  
**Source**: https://4ort.xyz/entity/hiroyuki-tsutsumi-q102430457


## References

1. Mathematics Genealogy Project
2. Virtual International Authority File
3. CiNii Research
4. KAKEN