-
[文献書誌] 長宗雄,古谷正,伊藤益生: "Riemann-Hilbertproblem for characteristic functions of p-hyponoromal operators"Acta Sci. Math. (Szeged). 64. 271-279 (1998)
-
[文献書誌] 長宗雄,古谷正,B.P.Duggal: "Corrigendum to "On the spctrum of p-hyponormal operators"."Acta Sci. Math. (Szeged). 64. 739-740 (1998)
-
[文献書誌] 長宗雄,永野興彦: "Simple proof of p-hyponormality of the Aluthge Trnsformations"Integr. Equat. Oper Th.. 33. 248 (1999)
-
[文献書誌] 長宗雄,古谷正: "Putnam's inequality for p-hyponormal n-tuples"Glasgow Math.J.. 41. 13-17 (1999)
-
[文献書誌] 長宗雄,棚橋浩太郎: "Spectral properties of log-hyponormal operators"SCM. 2. 223-230 (1999)
-
[文献書誌] 長宗雄: "Relations between the Taylor spectrum and the Xia spectrum"Proc. Amer. Math. Soc..