Edit Profile (opens in new tab) Fujii, Masatoshi Co-Author Distance Author ID: fujii.masatoshi Published as: Fujii, Masatoshi; Fujii, M. External Links: ResearchGate Documents Indexed: 211 Publications since 1971, including 1 Book 1 Contribution as Editor · 2 Further Contributions Co-Authors: 67 Co-Authors with 195 Joint Publications 909 Co-Co-Authors all top 5 Co-Authors 18 single-authored 57 Nakamoto, Ritsuo 42 Kamei, Eizaburo 33 Fujii, Jun Ichi 33 Seo, Yuki 16 Furuta, Takayuki 16 Nakamura, Masahiro 12 Matsumoto, Akemi 9 Jiang, Jianfei 9 Tominaga, Masaru 9 Watatani, Yasuo 8 Enomoto, Masatoshi 8 Zuo, Hongliang 7 Izumino, Saichi 7 Moslehian, Mohammad Sal 6 Kim, Youngok 6 Kubo, Fumio 5 Lin, Chia-Shiang 5 Sasaoka, Hiromitsu 4 Pečarić, Josip 4 Takehana, Hiroaki 3 Kato, Yoshinobu 3 Mićić, Jadranka 3 Tanahashi, Kôtarô 2 Ando, Tsuyoshi 2 Choda, Hisashi 2 Ito, Masatoshi 2 Jung, Dongick 2 Lee, Eun-Young 2 Lee, Sanghun 2 Takahasi, Sin-Ei 2 Tamaki, Kazuhiro 2 Yamada, Hideo 1 Aldaz, Jésus Munárriz 1 Barza, Sorina 1 Bhatia, Rajendra 1 Bourin, Jean-Christophe 1 Cheng, Pan 1 Chō, Muneo 1 Dadipour, Farzad 1 Furuichi, Shigeru 1 Goya, Eitoku 1 Hashimoto, Masashi 1 Himeji, Chikako 1 Hoshino, Akira 1 Ichihara, Ryo 1 Iwamoto, Seiichi 1 Kainuma, Daisuke 1 Kajiwara, Mitsuharu 1 Kasahara, Isamu 1 Katayama, Yoshikazu 1 Kato, Mikio 1 Kimura, Hidenori 1 Kitamura, Kazuo 1 Kosaki, Hideki 1 Kotari, Chikako 1 Kubo, Kyoko 1 Lee, Miyoung 1 Maeda, Osamu 1 Makimura, Kimi 1 Matsumoto, Kyoko 1 Miura, Takeshi 1 Najafi, Hamed 1 Nakamura, Yoshihiro 1 Nakatsu, Yasuhiko 1 Ôta, Schôichi 1 Otani, Shoici 1 Prasanna, Shanti 1 Ritsuo, Nakamoto 1 Saito, Kichisuke 1 Sano, Takashi 1 Shi, Guanghua 1 Sugiyama, Satiyo 1 Takagi, Hiroyuki 1 Takahashi, Katsutoshi 1 Takahashi, Wataru 1 Tamura, Takayuki 1 Tomiyama, Jun 1 Uchiyama, Mitsuru 1 Wang, Derming 1 Watanabe, Hideharu 1 Yamamoto, Yutaka 1 Yanagi, Kenjiro 1 Yanagida, Masahiro 1 Yonezawa, Keisuke 1 Yoshino, Takashi all top 5 Serials 71 Mathematica Japonica 17 Scientiae Mathematicae Japonicae 15 Nihonkai Mathematical Journal 13 Linear Algebra and its Applications 13 Proceedings of the Japan Academy 11 Scientiae Mathematicae 7 Proceedings of the American Mathematical Society 6 Mathematical Inequalities & Applications 6 RIMS Kokyuroku 5 Journal of Mathematical Inequalities 5 Annals of Functional Analysis 4 Journal of Inequalities and Applications 3 Banach Journal of Mathematical Analysis 3 RIMS Kokyuroku 2 Journal of Mathematical Analysis and Applications 2 Hokkaido Mathematical Journal 2 Operators and Matrices 2 Advances in Operator Theory 1 Linear and Multilinear Algebra 1 Illinois Journal of Mathematics 1 Kyungpook Mathematical Journal 1 Mathematical Journal of Okayama University 1 Proceedings of the Japan Academy. Series A 1 Publications of the Research Institute for Mathematical Sciences, Kyoto University 1 Journal of Operator Theory 1 Filomat 1 Far East Journal of Mathematical Sciences 1 JIPAM. Journal of Inequalities in Pure & Applied Mathematics 1 Journal of Nonlinear and Convex Analysis 1 Archives of Inequalities and Applications 1 Monographs in Inequalities all top 5 Fields 191 Operator theory (47-XX) 37 Functional analysis (46-XX) 17 Real functions (26-XX) 16 Linear and multilinear algebra; matrix theory (15-XX) 12 Combinatorics (05-XX) 3 General and overarching topics; collections (00-XX) 3 Information and communication theory, circuits (94-XX) 2 Approximations and expansions (41-XX) 1 History and biography (01-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Number theory (11-XX) 1 Associative rings and algebras (16-XX) 1 Potential theory (31-XX) 1 General topology (54-XX) 1 Algebraic topology (55-XX) 1 Numerical analysis (65-XX) 1 Quantum theory (81-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 136 Publications have been cited 761 times in 482 Documents Cited by ▼ Year ▼ Refined Young inequality with Kantorovich constant. Zbl 1242.47017 Zuo, Hongliang; Shi, Guanghua; Fujii, Masatoshi 59 2011 KMS states for gauge action on \(O_ A\). Zbl 0557.46039 Enomoto, Masatoshi; Fujii, Masatoshi; Watatani, Yasuo 35 1984 Furuta’s inequality and its application to Ando’s theorem. Zbl 0788.47012 Fujii, Masatoshi; Furuta, Takayuki; Kamei, Eizaburo 34 1993 Furuta’s inequality and its mean theoretic approach. Zbl 0734.47008 Fujii, Masatoshi 33 1990 Operator inequalities related to Cauchy-Schwarz and Hölder-McCarthy inequalities. Zbl 0997.47505 Fujii, Masatoshi; Izumino, Saichi; Nakamoto, Ritsuo; Seo, Yuki 27 1997 Buzano’s inequality and bounds for roots of algebraic equations. Zbl 0781.47013 Fujii, Masatoshi; Kubo, Fumio 23 1993 Norm inequalities equivalent to Heinz inequality. Zbl 0783.47008 Fujii, Jun Ichi; Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo 21 1993 Recent developments of Mond-Pečarić method in operator inequalities. Inequalities for bounded selfadjoint operators on a Hilbert space. II. Zbl 1277.47001 Fujii, Masatoshi; Mićić Hot, Jadranka; Pečarić, Josip; Seo, Yuki 21 2012 A matrix reverse Hölder inequality. Zbl 1179.15021 Bourin, Jean-Christophe; Lee, Eun-Young; Fujii, Masatoshi; Seo, Yuki 19 2009 A reverse inequality for the weighted geometric mean due to Lawson–Lim. Zbl 1132.47016 Fujii, Jun Ichi; Fujii, Masatoshi; Nakamura, Masahiro; Pečarić, Josip; Seo, Yuki 16 2007 Mean theoretic approach to the grand Furuta inequality. Zbl 0859.47012 Fujii, Masatoshi; Kamei, Eizaburo 15 1996 Advances in operator Cauchy-Schwarz inequalities and their reverses. Zbl 1312.47022 Aldaz, J. M.; Barza, S.; Fujii, M.; Moslehian, M. S. 15 2015 Ando-Hiai inequality and Furuta inequality. Zbl 1110.47011 Fujii, Masatoshi; Kamei, Eizaburo 14 2006 Operator norms as bounds for roots of algebraic equations. Zbl 0331.15020 Fujii, Masatoshi; Kubo, Fumio 13 1973 An extension of the Kubo-Ando theory: Solidarities. Zbl 0703.47013 Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 13 1990 Löwner–Heinz, Cordes and Heinz–Kato inequalities. Zbl 0784.47013 Fujii, Masatoshi; Furuta, Takayuki 13 1993 Some classes of operators related to paranormal and log-hyponormal operators. Zbl 0963.47018 Fujii, Masatoshi; Jung, Dongick; Lee, Sang Hun; Lee, Mi Young; Nakamoto, Ritsuo 11 2000 Cauchy-Schwarz inequality in semi-inner product \(C^{\ast}\)-modules via polar decomposition. Zbl 1257.46026 Fujii, J. I.; Fujii, M.; Moslehian, M. S.; Seo, Y. 11 2012 Extensions of Heinz-Kato-Furuta inequality. Zbl 0937.47022 Fujii, Masatoshi; Nakamoto, Ritsuo 10 2000 Classes of operators determined by the Heinz-Kato-Furuta inequality and the Hölder-McCarthy inequality. Zbl 0957.47501 Fujii, Masatoshi; Izumino, Saichi; Nakamoto, Ritsuo 9 1994 A short proof of the best possibility for the grand Furuta inequality. Zbl 0949.47015 Fujii, Masatoshi; Matsumoto, Akemi; Nakamoto, Ritsuo 9 1999 Reverse inequalities of Araki, Cordes and Löwner–Heinz inequalities. Zbl 1111.47011 Fujii, Masatoshi; Seo, Yuki 9 2005 Adjacency operators of infinite directed graphs. Zbl 0715.05032 Fujii, Masatoshi; Sasaoka, Hiromitsu; Watatani, Yasuo 9 1989 Extensions of Heinz-Kato-Furuta inequality. II. Zbl 0937.47019 Fujii, Masatoshi; Nakamoto, Ritsuo 7 1999 On some examples of non-normal operators. Zbl 0236.47002 Fujii, Masatoshi 7 1971 A remark on the spectral order of operators. Zbl 0255.47035 Fujii, Masatoshi; Kasahara, Isamu 7 1971 \(K_ 0-\)groups and classifications of Cuntz-Krieger algebras. Zbl 0476.46049 Enomoto, Masatoshi; Fujii, Masatoshi; Watatani, Yasuo 6 1981 Alternative extensions of Heinz-Kato-Furuta inequality. Zbl 0961.47006 Fujii, Masatoshi; Lin, Chia-Shiang; Nakamoto, Ritsuo 6 1999 The Golden-Thompson-Segal type inequalities related to the weighted geometric mean due to Lawson-Lim. Zbl 1201.47012 Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 6 2009 Characterization of chaotic order and its application to Furuta inequality. Zbl 0889.47014 Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizaburo 6 1997 Operator inequalities and covariance in noncommutative probability. Zbl 0902.47014 Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo; Takahasi, Sin-Ei 6 1997 On normal approximate spectrum. Zbl 0251.47002 Enomoto, Masatoshi; Fujii, Masatoshi; Tamaki, Kazuhiro 6 1972 Operator functions associated with Furuta’s inequality. Zbl 0725.47023 Fujii, Masatoshi; Furuta, Takayuki; Kamei, Eizaburo 6 1991 Furuta’s determinant type generalizations of Heinz-Kato inequality. Zbl 0805.47014 Fujii, Masatoshi; Kamei, Eizaburo; Kotari, Chikako; Yamada, Hideo 6 1994 Refinements of Hölder-McCarthy inequality and Young inequality. Zbl 1368.47018 Fujii, Masatoshi; Nakamoto, Ritsuo 6 2016 Generalized Bebiano-Lemos-Providência inequalities and their reverses. Zbl 1127.47018 Fujii, Masatoshi; Nakamoto, Ritsuo; Tominaga, Masaru 5 2007 Furuta inequality and its related topics. Zbl 1244.47019 Fujii, M. 5 2010 A difference counterpart to a matrix Hölder inequality. Zbl 1189.15028 Fujii, Masatoshi; Lee, Eun-Young; Seo, Yuki 5 2010 Simultaneous extensions of Selberg inequality and Heinz-Kato-Furuta inequality. Zbl 1023.47013 Fujii, Masatoshi; Nakamoto, Ritsuo 5 1998 Operator inequalities related to Ando-Hiai inequality. Zbl 1189.47017 Fujii, Masatoshi; Ito, Masatoshi; Kamei, Eizaburo; Matsumoto, Akemi 5 2009 Extensions of the Heinz-Kato-Furuta inequality by using operator monotone functions. Zbl 1044.47007 Fujii, Masatoshi; Kim, Young Ok; Tominaga, Masaru 5 2002 Further extensions of Wielandt type Heinz-Kato-Furuta inequalities via Furuta inequality. Zbl 1045.47011 Fujii, Masatoshi; Kim, Young Ok; Seo, Yuki 5 2003 On subclasses of hyponormal operators. Zbl 0326.47029 Fujii, Masatoshi; Nakatsu, Yasuhiko 5 1975 Furuta’s inequality and a generalization of Ando’s theorem. Zbl 0779.47014 Fujii, Masatoshi; Kamei, Eizaburo 5 1992 Theorems of Ando and Saito for \(p\)-hyponormal operators. Zbl 0815.47025 Fujii, Masatoshi; Himeji, Chikako; Matsumoto, Akemi 5 1994 Recent developments of matrix versions of the arithmetic-geometric mean inequality. Zbl 1357.47017 Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki; Zuo, Hongliang 5 2016 A geometric mean in the Furuta inequality. Zbl 1020.47014 Fujii, Masatoshi; Nakamoto, Ritsuo 5 2002 Operator inequalities on Hilbert \(C^{\ast}\)-modules via the Cauchy-Schwarz inequality. Zbl 1295.46039 Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 5 2014 Dunkl-Williams inequality for operators associated with \(p\)-angular distance. Zbl 1225.47020 Dadipour, Farzad; Fujii, Masatoshi; Moslehian, Mohammad Sal 4 2010 Riccati equation and positivity of operator matrices. Zbl 1186.47011 Fujii, Jun Ichi; Fujii, Masatoshi; Ritsuo, Nakamoto 4 2009 A characterization of chaotic order and a problem. Zbl 0910.47013 Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizaburo; Tanahashi, Kotaro 4 1998 Reverse Cauchy-Schwarz type inequalities in pre-inner product \(C^{*}\)-modules. Zbl 1267.46074 Fujii, Jun-Ichi; Fujii, Masatoshi; Moslehian, Mohammad Sal; Pečarić, Josip E.; Seo, Yuki 4 2011 Characterizations of usual and chaotic order via Furuta and Kantorovich inequalities. Zbl 0976.47013 Fujii, Masatoshi; Hashimoto, Masashi; Seo, Yuki; Yanagida, Masahiro 4 2000 Matrix order in Bohr inequality for operators. Zbl 1186.47012 Fujii, Masatoshi; Zuo, Hongliang 4 2010 The Heinz-Kato-Furuta inequality and hyponormal operators. Zbl 0817.47022 Fujii, Masatoshi; Nakamoto, Ritsuo; Watanabe, Hideharu 4 1994 On normal approximate spectrum. II. Zbl 0258.47003 Fujii, Masatoshi; Nakamoto, Ritsuo 4 1972 On normal approximate spectrum. III. Zbl 0258.47004 Fujii, Masatoshi; Tamaki, Kazuhiro 4 1972 Furuta’s inequality for the chaotic order. Zbl 0758.47014 Fujii, Masatoshi; Kamei, Eizaburo 4 1991 The spectrum of an infinite directed graph. Zbl 0754.47004 Fujii, Jun Ichi; Fujii, Masatoshi; Sasaoka, Hiromitsu; Watatani, Yasuo 4 1991 Norm inequalities in the Corach-Porta-Recht theory and operator means. Zbl 0927.47012 Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo 4 1996 Some remarks on operator means. Zbl 0435.47030 Fujii, Jun Ichi; Fujii, Masatoshi 4 1979 Cuntz-Krieger algebras associated with adjoint graphs. Zbl 0455.46054 Fujii, Masatoshi; Watatani, Yasuo 4 1980 Estimations of Heron means for positive operators. Zbl 1385.47009 Fujii, Masatoshi; Furuichi, Shigeru; Nakamoto, Ritsuo 4 2016 A characterization of convex functions and its application to operator monotone functions. Zbl 1304.47024 Fujii, Masatoshi; Kim, Young Ok; Nakamoto, Ritsuo 4 2014 Continuously differentiable means. Zbl 1133.26323 Fujii, Jun Ichi; Fujii, Masatoshi; Miura, Takeshi; Takagi, Hiroyuki; Takahasi, Sin-Ei 3 2006 Antinormal operators and theorems of Izumino. Zbl 0479.47018 Fujii, Masatoshi; Nakamoto, Ritsuo 3 1979 An estimation of the transcendental radius of an operator. Zbl 0496.47005 Fujii, Masatoshi; Nakamoto, Ritsuo 3 1982 Generalizations of the Wielandt theorem. Zbl 0928.47011 Fujii, Masatoshi; Katayama, Yoshikazu; Nakamoto, Ritsuo 3 1999 An analysis on the internal structure of the celebrated Furuta inequality via operator mean. Zbl 1104.47018 Fujii, Masatoshi; Kamei, Eizaburo; Nakamoto, Ritsuo 3 2005 The numerical radius of an infinite directed graph. Zbl 0715.05031 Fujii, Masatoshi; Sasaoka, Hiromitsu; Watatani, Yasuo 3 1990 A norm inequality for operator monotone functions. Zbl 0719.47010 Fujii, Jun Ichi; Fujii, Masatoshi 3 1990 An inequality for some nonnormal operators – extension to normal approximate eigenvalues. Zbl 0783.47027 Fujii, Masatoshi; Furuta, Takayuki; Seo, Yuki 3 1993 Golden-Thompson type inequalities related to a geometric mean via Specht’s ratio. Zbl 1017.47015 Fujii, Masatoshi; Seo, Yuki; Tominaga, Masaru 3 2002 Sharp mean triangle inequality. Zbl 1208.46021 Fujii, Masatoshi; Kato, Mikio; Saito, Kichi-Suke; Tamura, Takayuki 3 2010 Matrix trace inequalities related to the Tsallis relative entropies of real order. Zbl 1459.81013 Fujii, Masatoshi; Seo, Yuki 3 2021 Grand Furuta inequality and its variant. Zbl 1145.47013 Fujii, Masatoshi; Kamei, Eizaburo; Nakamoto, Ritsuo 2 2007 Reverse of the grand Furuta inequality and its applications. Zbl 1160.47014 Fujii, Masatoshi; Nakamoto, Ritsuo; Tominaga, Masaru 2 2008 Non-commutative Liapounoff’s theorem. Zbl 0529.46048 Choda, Hisashi; Enomoto, Masatoshi; Fujii, Masatoshi 2 1983 On generalized Kantorovich inequalities. Zbl 1125.47012 Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki; Tominaga, Masaru 2 2004 Kantorovich type operator inequalities via grand Furuta inequality. Zbl 0967.47007 Fujii, Masatoshi; Kamei, Eizaburo; Seo, Yuki 2 2000 Norm inequalities related to McIntosh type inequality. Zbl 0956.47502 Fujii, Junichi; Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo 2 1992 Covariance in Bernstein’s inequality for operators. Zbl 0997.47501 Fujii, Masatoshi; Nakamoto, Ritsuo; Seo, Yuki 2 1997 Tensor algebra on the sub-Fock space associated with \(O_ A\). Zbl 0467.46044 Enomoto, Masatoshi; Fujii, Masatoshi; Watatani, Yasuo 2 1981 Spectral order and operator means. Zbl 0955.47014 Fujii, Masatoshi; Nakamoto, Ritsuo; Nakamura, Masahiro 2 1998 Kolmogorov’s complexity for positive definite matrices. Zbl 0996.15017 Fujii, Jun Ichi; Fujii, Masatoshi 2 2002 Reverse inequalities on chaotically geometric mean via Specht ratio. Zbl 1057.47019 Fujii, Masatoshi; Lee, Sang Hun; Seo, Yuki; Jung, Dongick 2 2003 Reverse inequalities on chaotically geometric mean via Specht ratio. II. Zbl 1057.47020 Fujii, Masatoshi; Mićić, Jadranka; Pečarić, Josip; Seo, Yuki 2 2003 On normal approximate spectrum. IV. Zbl 0273.47002 Fujii, Masatoshi; Nakamoto, Ritsuo 2 1973 Variants of Ando–Hiai inequality. Zbl 1156.47022 Fujii, Masatoshi; Kamei, Eizaburo 2 2009 Jensen’s inequalities of any interval for operators. Zbl 1080.47018 Fujii, Jun Ichi; Fujii, Masatoshi 2 2004 A graph theoretical observation on the Selberg inequality. Zbl 0709.47005 Fujii, Masatoshi; Kubo, Kyoko; Otani, Shoici 2 1990 The index of an infinite directed graph. Zbl 0715.05030 Fujii, Masatoshi; Sano, Takashi; Sasaoka, Hiromitsu 2 1990 Jensen inequality is a complement to Kantorovich inequality. Zbl 1099.47018 Fujii, Masatoshi; Nakamura, Masahiro 2 2005 Strang’s inequality. Zbl 0772.47004 Fujii, Jun Ichi; Fujii, Masatoshi; Izumino, Saichi; Kubo, Fumio; Nakamoto, Ritsuo 2 1992 An application of the Furuta inequality to operator inequalities on chaotic orders. Zbl 0815.47013 Fujii, Masatoshi; Furuta, Takayuki; Wang, Derming 2 1994 Zhan’s inequality on A-G mean inequalities. Zbl 1307.15027 Fujii, Masatoshi; Seo, Yuki; Zuo, Hongliang 2 2015 Upper estimations on integral operator means. Zbl 1292.47011 Fujii, Jun Ichi; Fujii, Masatoshi 2 2012 Extensions of Ando-Hiai inequality with negative power. Zbl 07351086 Fujii, Masatoshi; Nakamoto, Ritsuo 2 2020 A satellite of the grand Furuta inequality and its application. Zbl 1270.47016 Fujii, Masatoshi; Nakamoto, Ritsuo; Yonezawa, Keisuke 2 2013 Cauchy-Schwarz inequality and Riccati equation for positive semidefinite matrices. Zbl 1448.15024 Fujii, Masatoshi 2 2019 Further generalizations of Bebiano-Lemos-Providência inequality. Zbl 1503.47021 Fujii, Masatoshi; Matsumoto, Akemi; Nakamoto, Ritsuo 1 2022 Matrix trace inequalities related to the Tsallis relative entropies of real order. Zbl 1459.81013 Fujii, Masatoshi; Seo, Yuki 3 2021 Extensions of Ando-Hiai inequality with negative power. Zbl 07351086 Fujii, Masatoshi; Nakamoto, Ritsuo 2 2020 Cauchy-Schwarz inequality and Riccati equation for positive semidefinite matrices. Zbl 1448.15024 Fujii, Masatoshi 2 2019 Refinements of Hölder-McCarthy inequality and Young inequality. Zbl 1368.47018 Fujii, Masatoshi; Nakamoto, Ritsuo 6 2016 Recent developments of matrix versions of the arithmetic-geometric mean inequality. Zbl 1357.47017 Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki; Zuo, Hongliang 5 2016 Estimations of Heron means for positive operators. Zbl 1385.47009 Fujii, Masatoshi; Furuichi, Shigeru; Nakamoto, Ritsuo 4 2016 Estimates of operator convex and operator monotone functions on bounded intervals. Zbl 1372.47027 Najafi, Hamed; Moslehian, Mohammad Sal; Fujii, Masatoshi; Nakamoto, Ritsuo 1 2016 Singular value inequalities related to the Audenaert-Zhan inequality. Zbl 1350.15008 Zuo, Hongliang; Fujii, Masatoshi; Fujii, Junichi; Seo, Yuki 1 2016 A refinement of the grand Furuta inequality. Zbl 1507.47038 Fujii, Masatoshi; Nakamoto, Ritsuo 1 2016 Advances in operator Cauchy-Schwarz inequalities and their reverses. Zbl 1312.47022 Aldaz, J. M.; Barza, S.; Fujii, M.; Moslehian, M. S. 15 2015 Zhan’s inequality on A-G mean inequalities. Zbl 1307.15027 Fujii, Masatoshi; Seo, Yuki; Zuo, Hongliang 2 2015 Buzano inequality in inner product \(C^*\)-modules via the operator geometric mean. Zbl 1459.46052 Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 1 2015 An investigation of unitarily invariant norm inequalities of Löwner-Heinz type. Zbl 1385.47005 Fujii, M.; Moslehian, M. S.; Nakamoto, R.; Tominaga, M. 1 2015 Further refinements of Zhan’s inequality for unitarily invariant norms. Zbl 1391.15079 Zuo, Hongliang; Seo, Yuki; Fujii, Masatoshi 1 2015 Operator inequalities on Hilbert \(C^{\ast}\)-modules via the Cauchy-Schwarz inequality. Zbl 1295.46039 Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 5 2014 A characterization of convex functions and its application to operator monotone functions. Zbl 1304.47024 Fujii, Masatoshi; Kim, Young Ok; Nakamoto, Ritsuo 4 2014 Upper bound for spectra of Jensen operator and its application to reverse arithmetic-geometric means. Zbl 1321.47019 Zuo, Hongliang; Fujii, Masatoshi; Fujii, Jun Ichi; Seo, Yuki 1 2014 An operator inequality implying the usual and chaotic orders. Zbl 1408.47005 Fujii, Jun Ichi; Fujii, Masatoshi; Nakamoto, Ritsuo 1 2014 A satellite of the grand Furuta inequality and its application. Zbl 1270.47016 Fujii, Masatoshi; Nakamoto, Ritsuo; Yonezawa, Keisuke 2 2013 Recent developments of Mond-Pečarić method in operator inequalities. Inequalities for bounded selfadjoint operators on a Hilbert space. II. Zbl 1277.47001 Fujii, Masatoshi; Mićić Hot, Jadranka; Pečarić, Josip; Seo, Yuki 21 2012 Cauchy-Schwarz inequality in semi-inner product \(C^{\ast}\)-modules via polar decomposition. Zbl 1257.46026 Fujii, J. I.; Fujii, M.; Moslehian, M. S.; Seo, Y. 11 2012 Upper estimations on integral operator means. Zbl 1292.47011 Fujii, Jun Ichi; Fujii, Masatoshi 2 2012 Bohr’s inequality revisited. Zbl 1262.47027 Fujii, Masatoshi; Moslehian, Mohammad Sal; Mićić, Jadranka 1 2012 On Yuan-Gao’s “complete form” of Furuta inequality. Zbl 1270.47015 Fujii, Masatoshi; Ito, Masatoshi; Kamei, Eizaburo; Nakamoto, Ritsuo 1 2012 Refined Young inequality with Kantorovich constant. Zbl 1242.47017 Zuo, Hongliang; Shi, Guanghua; Fujii, Masatoshi 59 2011 Reverse Cauchy-Schwarz type inequalities in pre-inner product \(C^{*}\)-modules. Zbl 1267.46074 Fujii, Jun-Ichi; Fujii, Masatoshi; Moslehian, Mohammad Sal; Pečarić, Josip E.; Seo, Yuki 4 2011 Furuta inequality and its related topics. Zbl 1244.47019 Fujii, M. 5 2010 A difference counterpart to a matrix Hölder inequality. Zbl 1189.15028 Fujii, Masatoshi; Lee, Eun-Young; Seo, Yuki 5 2010 Dunkl-Williams inequality for operators associated with \(p\)-angular distance. Zbl 1225.47020 Dadipour, Farzad; Fujii, Masatoshi; Moslehian, Mohammad Sal 4 2010 Matrix order in Bohr inequality for operators. Zbl 1186.47012 Fujii, Masatoshi; Zuo, Hongliang 4 2010 Sharp mean triangle inequality. Zbl 1208.46021 Fujii, Masatoshi; Kato, Mikio; Saito, Kichi-Suke; Tamura, Takayuki 3 2010 Kantorovich type inequalities for the difference with two negative parameters. Zbl 1222.47023 Kim, Young Ok; Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 1 2010 A matrix reverse Hölder inequality. Zbl 1179.15021 Bourin, Jean-Christophe; Lee, Eun-Young; Fujii, Masatoshi; Seo, Yuki 19 2009 The Golden-Thompson-Segal type inequalities related to the weighted geometric mean due to Lawson-Lim. Zbl 1201.47012 Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 6 2009 Operator inequalities related to Ando-Hiai inequality. Zbl 1189.47017 Fujii, Masatoshi; Ito, Masatoshi; Kamei, Eizaburo; Matsumoto, Akemi 5 2009 Riccati equation and positivity of operator matrices. Zbl 1186.47011 Fujii, Jun Ichi; Fujii, Masatoshi; Ritsuo, Nakamoto 4 2009 Variants of Ando–Hiai inequality. Zbl 1156.47022 Fujii, Masatoshi; Kamei, Eizaburo 2 2009 Generalizations of reverse Bebiano-Lemos-Providência inequality. Zbl 1162.47018 Matsumoto, Akemi; Fujii, Masatoshi 1 2009 Operator inequalities of Ando-Hiai type and their applications. Zbl 1180.47016 Fujii, Masatoshi; Kamei, Eizaburo 1 2009 Reverse of the grand Furuta inequality and its applications. Zbl 1160.47014 Fujii, Masatoshi; Nakamoto, Ritsuo; Tominaga, Masaru 2 2008 A reverse inequality for the weighted geometric mean due to Lawson–Lim. Zbl 1132.47016 Fujii, Jun Ichi; Fujii, Masatoshi; Nakamura, Masahiro; Pečarić, Josip; Seo, Yuki 16 2007 Generalized Bebiano-Lemos-Providência inequalities and their reverses. Zbl 1127.47018 Fujii, Masatoshi; Nakamoto, Ritsuo; Tominaga, Masaru 5 2007 Grand Furuta inequality and its variant. Zbl 1145.47013 Fujii, Masatoshi; Kamei, Eizaburo; Nakamoto, Ritsuo 2 2007 Ando-Hiai inequality and Furuta inequality. Zbl 1110.47011 Fujii, Masatoshi; Kamei, Eizaburo 14 2006 Continuously differentiable means. Zbl 1133.26323 Fujii, Jun Ichi; Fujii, Masatoshi; Miura, Takeshi; Takagi, Hiroyuki; Takahasi, Sin-Ei 3 2006 Kadison’s Schwarz inequality and noncommutative Kantorovich inequality. Zbl 1198.47030 Fujii, Masatoshi; Nakamura, Masahiro 1 2006 Reverse inequalities of Araki, Cordes and Löwner–Heinz inequalities. Zbl 1111.47011 Fujii, Masatoshi; Seo, Yuki 9 2005 An analysis on the internal structure of the celebrated Furuta inequality via operator mean. Zbl 1104.47018 Fujii, Masatoshi; Kamei, Eizaburo; Nakamoto, Ritsuo 3 2005 Jensen inequality is a complement to Kantorovich inequality. Zbl 1099.47018 Fujii, Masatoshi; Nakamura, Masahiro 2 2005 On generalized Kantorovich inequalities. Zbl 1125.47012 Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki; Tominaga, Masaru 2 2004 Jensen’s inequalities of any interval for operators. Zbl 1080.47018 Fujii, Jun Ichi; Fujii, Masatoshi 2 2004 Further extensions of Wielandt type Heinz-Kato-Furuta inequalities via Furuta inequality. Zbl 1045.47011 Fujii, Masatoshi; Kim, Young Ok; Seo, Yuki 5 2003 Reverse inequalities on chaotically geometric mean via Specht ratio. Zbl 1057.47019 Fujii, Masatoshi; Lee, Sang Hun; Seo, Yuki; Jung, Dongick 2 2003 Reverse inequalities on chaotically geometric mean via Specht ratio. II. Zbl 1057.47020 Fujii, Masatoshi; Mićić, Jadranka; Pečarić, Josip; Seo, Yuki 2 2003 On a question of Furuta on chaotic order. II. Zbl 1068.47024 Fujii, Masatoshi; Kamei, Eizaburo; Nakamoto, Ritsuo 1 2003 Extensions of the Heinz-Kato-Furuta inequality by using operator monotone functions. Zbl 1044.47007 Fujii, Masatoshi; Kim, Young Ok; Tominaga, Masaru 5 2002 A geometric mean in the Furuta inequality. Zbl 1020.47014 Fujii, Masatoshi; Nakamoto, Ritsuo 5 2002 Golden-Thompson type inequalities related to a geometric mean via Specht’s ratio. Zbl 1017.47015 Fujii, Masatoshi; Seo, Yuki; Tominaga, Masaru 3 2002 Kolmogorov’s complexity for positive definite matrices. Zbl 0996.15017 Fujii, Jun Ichi; Fujii, Masatoshi 2 2002 Some classes of operators related to paranormal and log-hyponormal operators. Zbl 0963.47018 Fujii, Masatoshi; Jung, Dongick; Lee, Sang Hun; Lee, Mi Young; Nakamoto, Ritsuo 11 2000 Extensions of Heinz-Kato-Furuta inequality. Zbl 0937.47022 Fujii, Masatoshi; Nakamoto, Ritsuo 10 2000 Characterizations of usual and chaotic order via Furuta and Kantorovich inequalities. Zbl 0976.47013 Fujii, Masatoshi; Hashimoto, Masashi; Seo, Yuki; Yanagida, Masahiro 4 2000 Kantorovich type operator inequalities via grand Furuta inequality. Zbl 0967.47007 Fujii, Masatoshi; Kamei, Eizaburo; Seo, Yuki 2 2000 Some classes of operators derived from Furuta inequality. Zbl 0963.47019 Fujii, Masatoshi; Nakamoto, Ritsuo 1 2000 Bessel type extension of the Bernstein inequality. Zbl 0959.47004 Fujii, Masatoshi; Lin, Chia-Shiang; Nakamoto, Ritsuo 1 2000 An application of a characterization of operator order to \(p\)-hyponormal operators. Zbl 0966.47005 Fujii, Masatoshi; Lin, Chia-Shiang 1 2000 A short proof of the best possibility for the grand Furuta inequality. Zbl 0949.47015 Fujii, Masatoshi; Matsumoto, Akemi; Nakamoto, Ritsuo 9 1999 Extensions of Heinz-Kato-Furuta inequality. II. Zbl 0937.47019 Fujii, Masatoshi; Nakamoto, Ritsuo 7 1999 Alternative extensions of Heinz-Kato-Furuta inequality. Zbl 0961.47006 Fujii, Masatoshi; Lin, Chia-Shiang; Nakamoto, Ritsuo 6 1999 Generalizations of the Wielandt theorem. Zbl 0928.47011 Fujii, Masatoshi; Katayama, Yoshikazu; Nakamoto, Ritsuo 3 1999 Simultaneous extensions of Selberg inequality and Heinz-Kato-Furuta inequality. Zbl 1023.47013 Fujii, Masatoshi; Nakamoto, Ritsuo 5 1998 A characterization of chaotic order and a problem. Zbl 0910.47013 Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizaburo; Tanahashi, Kotaro 4 1998 Spectral order and operator means. Zbl 0955.47014 Fujii, Masatoshi; Nakamoto, Ritsuo; Nakamura, Masahiro 2 1998 Characterization of chaotic order and its applications to Furuta’s type operator inequalities. Zbl 0908.47014 Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizaburo 1 1998 Operator functions associated with the grand Furuta inequality. Zbl 0912.47006 Jiang, J. F.; Kamei, E.; Fujii, M. 1 1998 Operator inequalities related to Cauchy-Schwarz and Hölder-McCarthy inequalities. Zbl 0997.47505 Fujii, Masatoshi; Izumino, Saichi; Nakamoto, Ritsuo; Seo, Yuki 27 1997 Characterization of chaotic order and its application to Furuta inequality. Zbl 0889.47014 Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizaburo 6 1997 Operator inequalities and covariance in noncommutative probability. Zbl 0902.47014 Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo; Takahasi, Sin-Ei 6 1997 Covariance in Bernstein’s inequality for operators. Zbl 0997.47501 Fujii, Masatoshi; Nakamoto, Ritsuo; Seo, Yuki 2 1997 Complements to the Furuta inequality. IV. Zbl 0909.47012 Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizabro 1 1997 Complements to the Furuta inequality. III. Zbl 0887.47017 Fujii, Masatoshi; Furuta, Takayuki; Kamei, Eizabro 1 1997 Mean theoretic approach to the grand Furuta inequality. Zbl 0859.47012 Fujii, Masatoshi; Kamei, Eizaburo 15 1996 Norm inequalities in the Corach-Porta-Recht theory and operator means. Zbl 0927.47012 Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo 4 1996 Graphs and Kolmogorov’s complexity. Zbl 0882.94011 Fujii, Masatoshi; Nakamura, Masahiro; Seo, Yuki; Watatani, Yasuo 1 1996 Rota’s theorem and Heinz inequalities. Zbl 0818.47008 Fujii, Masatoshi; Nakamoto, Ritsuo 1 1995 Parameterized Kantorovich inequality for positive operators. Zbl 0997.47503 Fujii, Masatoshi; Kamei, Eizaburo; Matsumoto, Akemi 1 1995 Classes of operators determined by the Heinz-Kato-Furuta inequality and the Hölder-McCarthy inequality. Zbl 0957.47501 Fujii, Masatoshi; Izumino, Saichi; Nakamoto, Ritsuo 9 1994 Furuta’s determinant type generalizations of Heinz-Kato inequality. Zbl 0805.47014 Fujii, Masatoshi; Kamei, Eizaburo; Kotari, Chikako; Yamada, Hideo 6 1994 Theorems of Ando and Saito for \(p\)-hyponormal operators. Zbl 0815.47025 Fujii, Masatoshi; Himeji, Chikako; Matsumoto, Akemi 5 1994 The Heinz-Kato-Furuta inequality and hyponormal operators. Zbl 0817.47022 Fujii, Masatoshi; Nakamoto, Ritsuo; Watanabe, Hideharu 4 1994 An application of the Furuta inequality to operator inequalities on chaotic orders. Zbl 0815.47013 Fujii, Masatoshi; Furuta, Takayuki; Wang, Derming 2 1994 Complements to the Furuta inequality. Zbl 0818.47012 Fujii, Masatoshi; Furuta, Takayuki; Kamei, Eizaburo 1 1994 Furuta’s inequality and its application to Ando’s theorem. Zbl 0788.47012 Fujii, Masatoshi; Furuta, Takayuki; Kamei, Eizaburo 34 1993 Buzano’s inequality and bounds for roots of algebraic equations. Zbl 0781.47013 Fujii, Masatoshi; Kubo, Fumio 23 1993 Norm inequalities equivalent to Heinz inequality. Zbl 0783.47008 Fujii, Jun Ichi; Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo 21 1993 Löwner–Heinz, Cordes and Heinz–Kato inequalities. Zbl 0784.47013 Fujii, Masatoshi; Furuta, Takayuki 13 1993 An inequality for some nonnormal operators – extension to normal approximate eigenvalues. Zbl 0783.47027 Fujii, Masatoshi; Furuta, Takayuki; Seo, Yuki 3 1993 Uchiyama’s commutativity theorem on positive operators. Zbl 0809.47021 Fujii, Masatoshi; Nakamoto, Ritsuo; Nakamura, Masahiro 1 1993 On certain norm inequalities. Zbl 0784.47014 Fujii, Masatoshi; Nakamoto, Ritsuo 1 1993 ...and 36 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 411 Authors 32 Fujii, Masatoshi 29 Seo, Yuki 25 Dragomir, Sever Silvestru 25 Moslehian, Mohammad Sal 23 Furuta, Takayuki 18 Moradi, Hamid Reza 13 Fujii, Jun Ichi 13 Kamei, Eizaburo 13 Nakamoto, Ritsuo 12 Furuichi, Shigeru 12 Kittaneh, Fuad 12 Sababheh, Mohamad Suboh 12 Yamazaki, Takeaki 11 Pečarić, Josip 10 Sims, Aidan 9 Omidvar, Mohsen Erfanian 9 Rashid, Mohammad Hussein Mohammad 8 Bakherad, Mojtaba 8 Bhunia, Pintu 8 Paul, Kallol 8 Raeburn, Iain 8 Wu, Junliang 8 Yang, Changsen 7 an Huef, Astrid 7 Conde, Cristian M. 7 Laca, Marcelo 7 Mićić, Jadranka 7 Tominaga, Masaru 7 Uchiyama, Mitsuru 7 Zhao, Jianguo 6 Gumus, Ibrahim Halil 6 Kian, Mohsen 6 Lim, Yongdo 5 Bag, Santanu 5 Hiai, Fumio 5 Ito, Masatoshi 5 Jung, Il Bong 5 Matsumoto, Kengo 5 Nasiri, Leila 5 Saito, Kichisuke 4 Cevher, Volkan 4 Lee, Eun-Young 4 Lee, Hosoo 4 Liao, Wenshi 4 Lin, Junhong 4 Minculete, Nicusor 4 Nakamura, Masahiro 4 Otachel, Zdzisław 4 Seddik, Ameur 4 Shebrawi, Khalid 4 Wada, Shuhei 4 Yuan, Jiangtao 3 Aujla, Jaspal Singh 3 Bourin, Jean-Christophe 3 Chandra, Harish 3 Chavan, Sameer Laxman 3 Duggal, Bhagwati Prashad 3 Exner, George R. 3 Ghazanfari, Amir Ghasem 3 Heydarbeygi, Zahra 3 Jocić, Danko R. 3 Kaleibary, Venus 3 Khanehgir, Mahnaz 3 Kim, Sejong 3 Kumar, Dilip 3 Larsen, Nadia S. 3 Lemos, Rute 3 Matharu, Jagjit Singh 3 Matsumoto, Akemi 3 Mizuguchi, Hiroyasu 3 Płaneta, Artur 3 Raïssouli, Mustapha 3 Rawla, Mandeep Singh 3 Ren, Yonghui 3 Shi, Jian 3 Stochel, Jan 3 Tian, Jingfeng 3 Tohyama, Hiroaki 3 Watanabe, Masayuki 3 Yanagida, Masahiro 2 Afsar, Zahra 2 Akhbari, Mohammad Hadi 2 Amyari, Maryam 2 Anand, Akash 2 Arambašić, Ljiljana 2 Bani-Domi, Watheq 2 Bebiano, Natália Isabel Quadros 2 Bhatia, Rajendra 2 Bottazzi, Tamara 2 Chien, Mao-Ting 2 Chō, Muneo 2 Cho, Yeol Je 2 Choi, Daeshik 2 Corach, Gustavo 2 Dadkhah, Ali 2 Das, Namita 2 Dinh Trung Hoa 2 Farsi, Carla 2 Fujimoto, Masayuki 2 Gao, Zongsheng ...and 311 more Authors all top 5 Cited in 127 Serials 94 Linear Algebra and its Applications 29 Linear and Multilinear Algebra 23 Journal of Mathematical Analysis and Applications 20 Proceedings of the American Mathematical Society 18 Journal of Inequalities and Applications 15 Journal of Mathematical Inequalities 15 Advances in Operator Theory 13 Integral Equations and Operator Theory 10 Journal of Functional Analysis 10 Proceedings of the Japan Academy 9 Operators and Matrices 8 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. 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The Electronic Journal of Linear Algebra 1 Journal of Mathematical Chemistry 1 Mathematical Problems in Engineering 1 Nonlinear Dynamics 1 Algebras and Representation Theory ...and 27 more Serials all top 5 Cited in 34 Fields 342 Operator theory (47-XX) 129 Linear and multilinear algebra; matrix theory (15-XX) 109 Functional analysis (46-XX) 87 Real functions (26-XX) 12 Combinatorics (05-XX) 12 Functions of a complex variable (30-XX) 12 Quantum theory (81-XX) 11 Dynamical systems and ergodic theory (37-XX) 10 Information and communication theory, circuits (94-XX) 8 Numerical analysis (65-XX) 7 Computer science (68-XX) 6 Difference and functional equations (39-XX) 6 Probability theory and stochastic processes (60-XX) 6 Statistics (62-XX) 5 Statistical mechanics, structure of matter (82-XX) 4 Partial differential equations (35-XX) 4 Geometry (51-XX) 4 Differential geometry (53-XX) 3 Field theory and polynomials (12-XX) 3 Global analysis, analysis on manifolds (58-XX) 2 Order, lattices, ordered algebraic structures (06-XX) 2 Nonassociative rings and algebras (17-XX) 2 Integral transforms, operational calculus (44-XX) 2 Convex and discrete geometry (52-XX) 2 Operations research, mathematical programming (90-XX) 2 Systems theory; control (93-XX) 1 History and biography (01-XX) 1 \(K\)-theory (19-XX) 1 Topological groups, Lie groups (22-XX) 1 Measure and integration (28-XX) 1 Approximations and expansions (41-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 General topology (54-XX) 1 Biology and other natural sciences (92-XX) Citations by Year