Hiroyuki Tagawa

According to our database, Hiroyuki Tagawa authored at least 4 papers between 2003 and 2023.

Collaborative distances:

• Dijkstra number of six.
• Erdős number of four.

2023

Jeśmanowicz' conjecture for non-primitive Pythagorean triples.

Hidetaka Kitayama, Hiroyuki Tagawa, Keiichi Urahashi

Period. Math. Hung., June, 2023

2013

Pfaffian decomposition and a Pfaffian analogue of q-Catalan Hankel determinants.

Masao Ishikawa, Hiroyuki Tagawa, Jiang Zeng

J. Comb. Theory, Ser. A, 2013

2006

Generalizations of Cauchy's determinant and Schur's Pfaffian.

Masao Ishikawa, Soichi Okada, Hiroyuki Tagawa, Jiang Zeng

Adv. Appl. Math., 2006

2003

Generalized (P, w)-partitions and generating functions for trees.

Isao Arima, Hiroyuki Tagawa

J. Comb. Theory, Ser. A, 2003