Fujii, Masatoshi; Nakamoto, Ritsuo Ando-Hiai inequality: extensions and applications. (English) Zbl 07678097 Aron, Richard M. (ed.) et al., Operator and norm inequalities and related topics. Cham: Birkhäuser. Trends Math., 41-67 (2022). MSC: 47A30 47A50 47A63 46B20 47B35 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{R. Nakamoto}, in: Operator and norm inequalities and related topics. Cham: Birkhäuser. 41--67 (2022; Zbl 07678097) Full Text: DOI
Najafi, Hamed; Moslehian, Mohammad Sal; Fujii, Masatoshi; Nakamoto, Ritsuo Estimates of operator convex and operator monotone functions on bounded intervals. (English) Zbl 1372.47027 Hokkaido Math. J. 45, No. 3, 325-336 (2016). Reviewer: K. C. Sivakumar (Chennai) MSC: 47A63 47B10 47A30 PDFBibTeX XMLCite \textit{H. Najafi} et al., Hokkaido Math. J. 45, No. 3, 325--336 (2016; Zbl 1372.47027) Full Text: DOI arXiv Euclid
Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki; Zuo, Hongliang Recent developments of matrix versions of the arithmetic-geometric mean inequality. (English) Zbl 1357.47017 Ann. Funct. Anal. 7, No. 1, 102-117 (2016). Reviewer: Minghua Lin (Shanghai) MSC: 47A63 15A18 15A42 47A30 PDFBibTeX XMLCite \textit{J. I. Fujii} et al., Ann. Funct. Anal. 7, No. 1, 102--117 (2016; Zbl 1357.47017) Full Text: DOI Euclid
Fujii, M.; Moslehian, M. S.; Nakamoto, R.; Tominaga, M. An investigation of unitarily invariant norm inequalities of Löwner-Heinz type. (English) Zbl 1385.47005 Sci. Math. Jpn. 78, No. 3, 229-234 (2015). Reviewer: Jaspal Singh Aujla (Jalandhar) MSC: 47A30 47A63 47B10 47B15 PDFBibTeX XMLCite \textit{M. Fujii} et al., Sci. Math. Jpn. 78, No. 3, 229--234 (2015; Zbl 1385.47005) Full Text: Link Link
Aldaz, J. M.; Barza, S.; Fujii, M.; Moslehian, M. S. Advances in operator Cauchy-Schwarz inequalities and their reverses. (English) Zbl 1312.47022 Ann. Funct. Anal. 6, No. 3, 275-295 (2015). MSC: 47A63 46L08 47A30 26D15 47-02 PDFBibTeX XMLCite \textit{J. M. Aldaz} et al., Ann. Funct. Anal. 6, No. 3, 275--295 (2015; Zbl 1312.47022) Full Text: DOI Euclid
Zuo, Hongliang; Seo, Yuki; Fujii, Masatoshi Further refinements of Zhan’s inequality for unitarily invariant norms. (English) Zbl 1391.15079 Ann. Funct. Anal. 6, No. 2, 234-241 (2015). MSC: 15A60 47A63 47A30 PDFBibTeX XMLCite \textit{H. Zuo} et al., Ann. Funct. Anal. 6, No. 2, 234--241 (2015; Zbl 1391.15079) Full Text: DOI Euclid Link
Fujii, Masatoshi; Seo, Yuki; Zuo, Hongliang Zhan’s inequality on A-G mean inequalities. (English) Zbl 1307.15027 Linear Algebra Appl. 470, 241-251 (2015). MSC: 15A60 47A63 47A30 PDFBibTeX XMLCite \textit{M. Fujii} et al., Linear Algebra Appl. 470, 241--251 (2015; Zbl 1307.15027) Full Text: DOI
Zuo, Hongliang; Fujii, Masatoshi; Fujii, Jun Ichi; Seo, Yuki Upper bound for spectra of Jensen operator and its application to reverse arithmetic-geometric means. (English) Zbl 1321.47019 Math. Inequal. Appl. 17, No. 2, 641-648 (2014). Reviewer: Mohammad Sal Moslehian (Karlstad) MSC: 47A30 47A63 PDFBibTeX XMLCite \textit{H. Zuo} et al., Math. Inequal. Appl. 17, No. 2, 641--648 (2014; Zbl 1321.47019) Full Text: DOI Link
Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki Operator inequalities on Hilbert \(C^{\ast}\)-modules via the Cauchy-Schwarz inequality. (English) Zbl 1295.46039 Math. Inequal. Appl. 17, No. 1, 295-315 (2014). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 46L08 47A30 47A63 47A64 PDFBibTeX XMLCite \textit{J. I. Fujii} et al., Math. Inequal. Appl. 17, No. 1, 295--315 (2014; Zbl 1295.46039) Full Text: DOI
Fujii, Jun-Ichi; Fujii, Masatoshi; Moslehian, Mohammad Sal; Pečarić, Josip E.; Seo, Yuki Reverse Cauchy-Schwarz type inequalities in pre-inner product \(C^{*}\)-modules. (English) Zbl 1267.46074 Hokkaido Math. J. 40, No. 3, 393-409 (2011). MSC: 46L08 26D15 46L05 47A30 47A63 PDFBibTeX XMLCite \textit{J.-I. Fujii} et al., Hokkaido Math. J. 40, No. 3, 393--409 (2011; Zbl 1267.46074) Full Text: DOI Euclid
Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki The Golden-Thompson-Segal type inequalities related to the weighted geometric mean due to Lawson-Lim. (English) Zbl 1201.47012 J. Math. Inequal. 3, No. 4, 511-518 (2009). Reviewer: Jiangtao Yuan (Henan) MSC: 47A30 47A63 47A64 47B15 PDFBibTeX XMLCite \textit{J. I. Fujii} et al., J. Math. Inequal. 3, No. 4, 511--518 (2009; Zbl 1201.47012) Full Text: DOI Link
Matsumoto, Akemi; Fujii, Masatoshi Generalizations of reverse Bebiano-Lemos-Providência inequality. (English) Zbl 1162.47018 Linear Algebra Appl. 430, No. 5-6, 1544-1549 (2009). Reviewer: Takeaki Yamazaki (Yokohama) MSC: 47A63 PDFBibTeX XMLCite \textit{A. Matsumoto} and \textit{M. Fujii}, Linear Algebra Appl. 430, No. 5--6, 1544--1549 (2009; Zbl 1162.47018) Full Text: DOI
Fujii, Masatoshi; Nakamoto, Ritsuo; Tominaga, Masaru Generalized Bebiano-Lemos-Providência inequalities and their reverses. (English) Zbl 1127.47018 Linear Algebra Appl. 426, No. 1, 33-39 (2007). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 47A63 15A45 PDFBibTeX XMLCite \textit{M. Fujii} et al., Linear Algebra Appl. 426, No. 1, 33--39 (2007; Zbl 1127.47018) Full Text: DOI
Fujii, Masatoshi; Seo, Yuki Reverse inequalities of Araki, Cordes and Löwner–Heinz inequalities. (English) Zbl 1111.47011 Nihonkai Math. J. 16, No. 2, 145-154 (2005). Reviewer: Takeaki Yamazaki (Yokohama) MSC: 47A30 47A63 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{Y. Seo}, Nihonkai Math. J. 16, No. 2, 145--154 (2005; Zbl 1111.47011)
Fujii, Masatoshi; Mićić, Jadranka; Pečarić, Josip; Seo, Yuki Reverse inequalities on chaotically geometric mean via Specht ratio. II. (English) Zbl 1057.47020 JIPAM, J. Inequal. Pure Appl. Math. 4, No. 2, Paper No. 40, 8 p. (2003). Reviewer: Omar Hirzallah (Zarqa) MSC: 47A63 47A30 47A64 PDFBibTeX XMLCite \textit{M. Fujii} et al., JIPAM, J. Inequal. Pure Appl. Math. 4, No. 2, Paper No. 40, 8 p. (2003; Zbl 1057.47020) Full Text: EuDML
Fujii, Masatoshi; Lee, Sang Hun; Seo, Yuki; Jung, Dongick Reverse inequalities on chaotically geometric mean via Specht ratio. (English) Zbl 1057.47019 Math. Inequal. Appl. 6, No. 3, 509-519 (2003). Reviewer: Omar Hirzallah (Zarqa) MSC: 47A63 47A30 47A64 PDFBibTeX XMLCite \textit{M. Fujii} et al., Math. Inequal. Appl. 6, No. 3, 509--519 (2003; Zbl 1057.47019) Full Text: DOI
Fujii, Masatoshi; Kim, Young Ok; Seo, Yuki Further extensions of Wielandt type Heinz-Kato-Furuta inequalities via Furuta inequality. (English) Zbl 1045.47011 Arch. Inequal. Appl. 1, No. 2, 275-283 (2003). Reviewer: Takeaki Yamazaki (Yokohama) MSC: 47A30 47A63 PDFBibTeX XMLCite \textit{M. Fujii} et al., Arch. Inequal. Appl. 1, No. 2, 275--283 (2003; Zbl 1045.47011)
Fujii, Masatoshi; Kim, Young Ok A characterization of chaotic order by Furuta type operator inequalities via operator convexity. (English) Zbl 1030.47010 J. Nonlinear Convex Anal. 4, No. 2, 215-222 (2003). Reviewer: Takeaki Yamazaki (Yokohama) MSC: 47A63 47A30 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{Y. O. Kim}, J. Nonlinear Convex Anal. 4, No. 2, 215--222 (2003; Zbl 1030.47010)
Fujii, Masatoshi; Kim, Young Ok; Tominaga, Masaru Extensions of the Heinz-Kato-Furuta inequality by using operator monotone functions. (English) Zbl 1044.47007 Far East J. Math. Sci. (FJMS) 6, No. 3, 225-238 (2002). Reviewer: Omar Hirzallah (Zarqa) MSC: 47A30 47A63 PDFBibTeX XMLCite \textit{M. Fujii} et al., Far East J. Math. Sci. (FJMS) 6, No. 3, 225--238 (2002; Zbl 1044.47007)
Fujii, Masatoshi; Kamei, Eizaburo On an extension of the grand Furuta inequality. (English) Zbl 1024.47004 Sci. Math. Jpn. 56, No. 3, 501-504 (2002). Reviewer: Yang Dachun (Beijing) MSC: 47A30 47A63 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{E. Kamei}, Sci. Math. Jpn. 56, No. 3, 501--504 (2002; Zbl 1024.47004)
Fujii, Masatoshi; Seo, Yuki Wielandt type extensions of the Heinz-Kato-Furuta inequality. (English) Zbl 1003.47011 Kérchy, László (ed.) et al., Recent advances in operator theory and related topics. The Béla Szőkefalvi-Nagy memorial volume. Proceedings of the memorial conference, Szeged, Hungary, August 2-6, 1999. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 127, 267-277 (2001). MSC: 47A63 47A30 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{Y. Seo}, in: Recent advances in operator theory and related topics. The Béla Szőkefalvi-Nagy memorial volume. Proceedings of the memorial conference, Szeged, Hungary, August 2--6, 1999. Basel: Birkhäuser. 267--277 (2001; Zbl 1003.47011)
Fujii, Masatoshi; Lin, Chia-Shiang An application of a characterization of operator order to \(p\)-hyponormal operators. (English) Zbl 0966.47005 Sci. Math. 3, No. 3, 419-425 (2000). MSC: 47A63 47B20 47A30 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{C.-S. Lin}, Sci. Math. 3, No. 3, 419--425 (2000; Zbl 0966.47005)
Fujii, Masatoshi; Hashimoto, Masashi; Seo, Yuki; Yanagida, Masahiro Characterizations of usual and chaotic order via Furuta and Kantorovich inequalities. (English) Zbl 0976.47013 Sci. Math. 3, No. 3, 405-417 (2000). MSC: 47A63 47A30 PDFBibTeX XMLCite \textit{M. Fujii} et al., Sci. Math. 3, No. 3, 405--417 (2000; Zbl 0976.47013)
Fujii, Masatoshi; Kamei, Eizaburo; Seo, Yuki Kantorovich type operator inequalities via grand Furuta inequality. (English) Zbl 0967.47007 Sci. Math. 3, No. 2, 263-272 (2000). MSC: 47A63 47A30 PDFBibTeX XMLCite \textit{M. Fujii} et al., Sci. Math. 3, No. 2, 263--272 (2000; Zbl 0967.47007)
Fujii, Masatoshi; Lin, Chia-Shiang; Nakamoto, Ritsuo Bessel type extension of the Bernstein inequality. (English) Zbl 0959.47004 Sci. Math. 3, No. 1, 95-98 (2000). Reviewer: P.C.Sinha (Patna) MSC: 47A30 47A63 PDFBibTeX XMLCite \textit{M. Fujii} et al., Sci. Math. 3, No. 1, 95--98 (2000; Zbl 0959.47004)
Fujii, Masatoshi; Nakamoto, Ritsuo Extensions of Heinz-Kato-Furuta inequality. (English) Zbl 0937.47022 Proc. Am. Math. Soc. 128, No. 1, 223-228 (2000). MSC: 47A63 47A30 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{R. Nakamoto}, Proc. Am. Math. Soc. 128, No. 1, 223--228 (2000; Zbl 0937.47022) Full Text: DOI
Fujii, Masatoshi; Lin, Chia-Shiang; Nakamoto, Ritsuo Alternative extensions of Heinz-Kato-Furuta inequality. (English) Zbl 0961.47006 Sci. Math. 2, No. 2, 215-221 (1999). MSC: 47A63 47A30 PDFBibTeX XMLCite \textit{M. Fujii} et al., Sci. Math. 2, No. 2, 215--221 (1999; Zbl 0961.47006)
Fujii, Masatoshi; Nakamura, Masahiro Bonsall’s construction of spectral measures and operator means. (English) Zbl 0960.47011 Sci. Math. 2, No. 2, 145-146 (1999). MSC: 47A64 47A63 47A30 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{M. Nakamura}, Sci. Math. 2, No. 2, 145--146 (1999; Zbl 0960.47011)
Fujii, Masatoshi; Matsumoto, Akemi; Nakamoto, Ritsuo A short proof of the best possibility for the grand Furuta inequality. (English) Zbl 0949.47015 J. Inequal. Appl. 4, No. 4, 339-344 (1999). MSC: 47A63 47A30 PDFBibTeX XMLCite \textit{M. Fujii} et al., J. Inequal. Appl. 4, No. 4, 339--344 (1999; Zbl 0949.47015) Full Text: DOI EuDML
Fujii, Jun Ichi; Fujii, Masatoshi Bhatia-Kittaneh’s operator norm inequality. (English) Zbl 0948.47006 Math. Jap. 49, No. 1, 91-92 (1999). Reviewer: Anatoliy Aleksandrovich Kilbas (Minsk) MSC: 47A30 47A63 PDFBibTeX XMLCite \textit{J. I. Fujii} and \textit{M. Fujii}, Math. Japon. 49, No. 1, 91--92 (1999; Zbl 0948.47006)
Fujii, Masatoshi; Nakamoto, Ritsuo; Nakamura, Masahiro Spectral order and operator means. (English) Zbl 0955.47014 Sci. Math. 1, No. 2, 149-152 (1998). MSC: 47A64 47B65 47A30 47A63 47A10 PDFBibTeX XMLCite \textit{M. Fujii} et al., Sci. Math. 1, No. 2, 149--152 (1998; Zbl 0955.47014)
Fujii, Masatoshi; Kamei, Eizaburo; Matumoto, Akemi Complementary inequalities of the Furuta inequality. (English) Zbl 0937.47018 Sci. Math. 1, No. 3, 311-317 (1998). Reviewer: Constantin Niculescu (Craiova) MSC: 47A63 47B15 47A30 PDFBibTeX XMLCite \textit{M. Fujii} et al., Sci. Math. 1, No. 3, 311--317 (1998; Zbl 0937.47018)
Fujii, Masatoshi; Kamei, Eizaburo Monotone properties of parametrized Furuta inequality. (English) Zbl 0939.47012 Sci. Math. 1, No. 3, 277-282 (1998). Reviewer: S.Platonov (Petrozavodsk) MSC: 47A63 47A30 47B15 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{E. Kamei}, Sci. Math. 1, No. 3, 277--282 (1998; Zbl 0939.47012)
Jiang, J. F.; Kamei, E.; Fujii, M. Operator functions associated with the grand Furuta inequality. (English) Zbl 0912.47006 Math. Inequal. Appl. 1, No. 2, 267-277 (1998). MSC: 47A30 47A63 47B15 PDFBibTeX XMLCite \textit{J. F. Jiang} et al., Math. Inequal. Appl. 1, No. 2, 267--277 (1998; Zbl 0912.47006) Full Text: DOI
Fujii, Masatoshi; Furuta, Takayuki; Kamei, Eizabro Complements to the Furuta inequality. III. (English) Zbl 0887.47017 Math. Jap. 45, No. 1, 25-32 (1997). MSC: 47A63 47A30 47B15 PDFBibTeX XMLCite \textit{M. Fujii} et al., Math. Japon. 45, No. 1, 25--32 (1997; Zbl 0887.47017)
Fujii, Masatoshi; Nakamoto, Ritsuo; Seo, Yuki Covariance in Bernstein’s inequality for operators. (English) Zbl 0997.47501 Nihonkai Math. J. 8, No. 1, 1-6 (1997). MSC: 47A30 47A63 PDFBibTeX XMLCite \textit{M. Fujii} et al., Nihonkai Math. J. 8, No. 1, 1--6 (1997; Zbl 0997.47501)
Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizabro Complements to the Furuta inequality. IV. (English) Zbl 0909.47012 Math. Jap. 45, No. 3, 511-518 (1997). MSC: 47A63 47A30 47B15 PDFBibTeX XMLCite \textit{M. Fujii} et al., Math. Japon. 45, No. 3, 511--518 (1997; Zbl 0909.47012)
Fujii, Masatoshi; Nakamura, Masahiro An application of operator means arising from a study on Wazan. (English) Zbl 0902.47015 Math. Jap. 46, No. 3, 385-386 (1997). MSC: 47A63 47A30 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{M. Nakamura}, Math. Japon. 46, No. 3, 385--386 (1997; Zbl 0902.47015)
Jiang, Jian Fei; Kamei, Eizabro; Fujii, Masatoshi The monotonicity of operator functions associated with the Furuta inequality. (English) Zbl 0902.47016 Math. Jap. 46, No. 2, 337-343 (1997). MSC: 47A63 47A30 47B15 PDFBibTeX XMLCite \textit{J. F. Jiang} et al., Math. Japon. 46, No. 2, 337--343 (1997; Zbl 0902.47016)
Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo; Takahasi, Sin-Ei Operator inequalities and covariance in noncommutative probability. (English) Zbl 0902.47014 Math. Jap. 46, No. 2, 317-320 (1997). MSC: 47A63 47A30 46L51 46L53 46L54 PDFBibTeX XMLCite \textit{M. Fujii} et al., Math. Japon. 46, No. 2, 317--320 (1997; Zbl 0902.47014)
Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo Norm inequalities in the Corach-Porta-Recht theory and operator means. (English) Zbl 0927.47012 Ill. J. Math. 40, No. 4, 527-534 (1996). Reviewer: Frank Hansen (MR 97i:47026) MSC: 47A63 47A30 47B15 PDFBibTeX XMLCite \textit{M. Fujii} et al., Ill. J. Math. 40, No. 4, 527--534 (1996; Zbl 0927.47012)
Fujii, Masatoshi; Nakamoto, Ritsuo Rota’s theorem and Heinz inequalities. (English) Zbl 0818.47008 Linear Algebra Appl. 214, 271-275 (1995). MSC: 47A30 47A63 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{R. Nakamoto}, Linear Algebra Appl. 214, 271--275 (1995; Zbl 0818.47008) Full Text: DOI
Fujii, Masatoshi; Nakamoto, Ritsuo; Watanabe, Hideharu The Heinz-Kato-Furuta inequality and hyponormal operators. (English) Zbl 0817.47022 Math. Jap. 40, No. 3, 469-472 (1994). MSC: 47A63 47B20 47A30 PDFBibTeX XMLCite \textit{M. Fujii} et al., Math. Japon. 40, No. 3, 469--472 (1994; Zbl 0817.47022)
Fujii, Masatoshi; Izumino, Saichi Sunder’s theorem for compact operators. (English) Zbl 0817.47011 Math. Jap. 40, No. 3, 465-467 (1994). MSC: 47A30 47B15 47B07 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{S. Izumino}, Math. Japon. 40, No. 3, 465--467 (1994; Zbl 0817.47011)
Fujii, Masatoshi; Kamei, Eizaburo; Kotari, Chikako; Yamada, Hideo Furuta’s determinant type generalizations of Heinz-Kato inequality. (English) Zbl 0805.47014 Math. Jap. 40, No. 2, 259-267 (1994). MSC: 47A63 47A30 47B15 PDFBibTeX XMLCite \textit{M. Fujii} et al., Math. Japon. 40, No. 2, 259--267 (1994; Zbl 0805.47014)
Fujii, Masatoshi; Himeji, Chikako; Matsumoto, Akemi Theorems of Ando and Saito for \(p\)-hyponormal operators. (English) Zbl 0815.47025 Math. Jap. 39, No. 3, 595-598 (1994). MSC: 47B20 47A63 47A30 PDFBibTeX XMLCite \textit{M. Fujii} et al., Math. Japon. 39, No. 3, 595--598 (1994; Zbl 0815.47025)
Fujii, Masatoshi; Izumino, Saichi; Nakamoto, Ritsuo Classes of operators determined by the Heinz-Kato-Furuta inequality and the Hölder-McCarthy inequality. (English) Zbl 0957.47501 Nihonkai Math. J. 5, No. 1, 61-67 (1994). MSC: 47B20 47A30 47A63 PDFBibTeX XMLCite \textit{M. Fujii} et al., Nihonkai Math. J. 5, No. 1, 61--67 (1994; Zbl 0957.47501)
Fujii, Masatoshi; Nakamoto, Ritsuo An enlarging of spectra for Hilbert space operators. (English) Zbl 0798.47003 Math. Jap. 38, No. 6, 1081-1083 (1993). MSC: 47A10 47B20 47A30 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{R. Nakamoto}, Math. Japon. 38, No. 6, 1081--1083 (1993; Zbl 0798.47003)
Fujii, Jun Ichi; Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo Norm inequalities equivalent to Heinz inequality. (English) Zbl 0783.47008 Proc. Am. Math. Soc. 118, No. 3, 827-830 (1993). Reviewer: P.Zabrejko MSC: 47A30 47B15 47A63 PDFBibTeX XMLCite \textit{J. I. Fujii} et al., Proc. Am. Math. Soc. 118, No. 3, 827--830 (1993; Zbl 0783.47008) Full Text: DOI
Fujii, Masatoshi; Nakamoto, Ritsuo On certain norm inequalities. (English) Zbl 0784.47014 Math. Jap. 38, No. 1, 79-81 (1993). Reviewer: A.Martinón (La Laguna) MSC: 47A30 47A63 47B15 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{R. Nakamoto}, Math. Japon. 38, No. 1, 79--81 (1993; Zbl 0784.47014)
Fujii, Masatoshi; Furuta, Takayuki Löwner–Heinz, Cordes and Heinz–Kato inequalities. (English) Zbl 0784.47013 Math. Jap. 38, No. 1, 73-78 (1993). Reviewer: A.Martinón (La Laguna) MSC: 47A30 47A63 47B15 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{T. Furuta}, Math. Japon. 38, No. 1, 73--78 (1993; Zbl 0784.47013)
Fujii, Jun Ichi; Fujii, Masatoshi Theorems of Williams and Prasanna. (English) Zbl 0784.47012 Math. Jap. 38, No. 1, 35-37 (1993). Reviewer: A.Martinón (La Laguna) MSC: 47A30 47A63 PDFBibTeX XMLCite \textit{J. I. Fujii} and \textit{M. Fujii}, Math. Japon. 38, No. 1, 35--37 (1993; Zbl 0784.47012)
Fujii, Junichi; Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo Norm inequalities related to McIntosh type inequality. (English) Zbl 0956.47502 Nihonkai Math. J. 3, No. 1, 67-72 (1992). MSC: 47A63 47A30 47B15 47B20 PDFBibTeX XMLCite \textit{J. Fujii} et al., Nihonkai Math. J. 3, No. 1, 67--72 (1992; Zbl 0956.47502)
Fujii, Masatoshi Furuta’s inequality and its mean theoretic approach. (English) Zbl 0734.47008 J. Oper. Theory 23, No. 1, 67-72 (1990). Reviewer: J.L.R.Webb (Glasgow) MSC: 47A63 47A60 47A30 PDFBibTeX XMLCite \textit{M. Fujii}, J. Oper. Theory 23, No. 1, 67--72 (1990; Zbl 0734.47008)
Ando, Tsuyoshi (ed.) [Kubo, Fumio; Tanahashi, Kôtarô; Tomiyama, Jun; Izumino, Saichi; Yamamoto, Yutaka; Yanagi, Kenjiro; Kimura, Hidenori; Iwamoto, Seiichi; Takahashi, Wataru; Kosaki, Hideki; Ando, Tsuyoshi; Fujii, Junichi; Fujii, Masatoshi; Furuta, Takayuki] Operator theory and related topics. Proceedings of a symposium held at the Research Institute for Mathematical Sciences, Kyoto University, Kyoto (Japan), January 11-14, 1988. (Japanese, English) Zbl 0696.47001 RIMS Kokyuroku, 653. Kyoto: Kyoto University, Research Institute for Mathematical Sciences. II, 192 p. (1988). MSC: 47-06 00B25 PDFBibTeX XML
Fujii, Jun Ichi; Fujii, Masatoshi On operator inequalities due to Ando-Kittaneh-Kosaki. (English) Zbl 0658.47012 Publ. Res. Inst. Math. Sci. 24, No. 2, 295-300 (1988). Reviewer: Th.M.Rassias MSC: 47A30 PDFBibTeX XMLCite \textit{J. I. Fujii} and \textit{M. Fujii}, Publ. Res. Inst. Math. Sci. 24, No. 2, 295--300 (1988; Zbl 0658.47012) Full Text: DOI
Fujii, Masatoshi; Nakamoto, Ritsuo An estimation of the transcendental radius of an operator. (English) Zbl 0496.47005 Math. Jap. 27, 637-638 (1982). MSC: 47A10 47A12 47A30 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{R. Nakamoto}, Math. Japon. 27, 637--638 (1982; Zbl 0496.47005)
Fujii, Masatoshi; Prasanna, Shanti Translatable radii for operators. (English) Zbl 0487.47007 Math. Jap. 26, 653-657 (1981). MSC: 47A30 47A10 47A12 47B20 47B15 PDFBibTeX XMLCite \textit{M. Fujii} and \textit{S. Prasanna}, Math. Japon. 26, 653--657 (1981; Zbl 0487.47007)