Edit Profile (opens in new tab) Fujii, Masatoshi Compute Distance To: Compute Author ID: fujii.masatoshi Published as: Fujii, Masatoshi; Fujii, M. External Links: ResearchGate Documents Indexed: 210 Publications since 1971, including 1 Book 1 Contribution as Editor · 2 Further Contributions Co-Authors: 67 Co-Authors with 194 Joint Publications 865 Co-Co-Authors all top 5 Co-Authors 18 single-authored 56 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, Sang Hun 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 190 Operator theory (47-XX) 36 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 132 Publications have been cited 686 times in 439 Documents Cited by ▼ Year ▼ Refined Young inequality with Kantorovich constant. Zbl 1242.47017Zuo, Hongliang; Shi, Guanghua; Fujii, Masatoshi 47 2011 KMS states for gauge action on \(O_ A\). Zbl 0557.46039Enomoto, Masatoshi; Fujii, Masatoshi; Watatani, Yasuo 35 1984 Furuta’s inequality and its mean theoretic approach. Zbl 0734.47008Fujii, Masatoshi 31 1990 Furuta’s inequality and its application to Ando’s theorem. Zbl 0788.47012Fujii, Masatoshi; Furuta, Takayuki; Kamei, Eizaburo 30 1993 Operator inequalities related to Cauchy-Schwarz and Hölder-McCarthy inequalities. Zbl 0997.47505Fujii, Masatoshi; Izumino, Saichi; Nakamoto, Ritsuo; Seo, Yuki 28 1997 Buzano’s inequality and bounds for roots of algebraic equations. Zbl 0781.47013Fujii, Masatoshi; Kubo, Fumio 21 1993 A matrix reverse Hölder inequality. Zbl 1179.15021Bourin, Jean-Christophe; Lee, Eun-Young; Fujii, Masatoshi; Seo, Yuki 20 2009 Norm inequalities equivalent to Heinz inequality. Zbl 0783.47008Fujii, Jun Ichi; Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo 19 1993 Recent developments of Mond-Pečarić method in operator inequalities. Inequalities for bounded selfadjoint operators on a Hilbert space. II. Zbl 1277.47001Fujii, Masatoshi; Mićić Hot, Jadranka; Pečarić, Josip; Seo, Yuki 17 2012 A reverse inequality for the weighted geometric mean due to Lawson–Lim. Zbl 1132.47016Fujii, Jun Ichi; Fujii, Masatoshi; Nakamura, Masahiro; Pečarić, Josip; Seo, Yuki 15 2007 Mean theoretic approach to the grand Furuta inequality. Zbl 0859.47012Fujii, Masatoshi; Kamei, Eizaburo 14 1996 Advances in operator Cauchy-Schwarz inequalities and their reverses. Zbl 1312.47022Aldaz, J. M.; Barza, S.; Fujii, M.; Moslehian, M. S. 13 2015 Löwner–Heinz, Cordes and Heinz–Kato inequalities. Zbl 0784.47013Fujii, Masatoshi; Furuta, Takayuki 11 1993 An extension of the Kubo-Ando theory: Solidarities. Zbl 0703.47013Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 11 1990 Operator norms as bounds for roots of algebraic equations. Zbl 0331.15020Fujii, Masatoshi; Kubo, Fumio 10 1973 Some classes of operators related to paranormal and log-hyponormal operators. Zbl 0963.47018Fujii, Masatoshi; Jung, Dongick; Lee, Sang Hun; Lee, Mi Young; Nakamoto, Ritsuo 10 2000 Ando-Hiai inequality and Furuta inequality. Zbl 1110.47011Fujii, Masatoshi; Kamei, Eizaburo 10 2006 Cauchy-Schwarz inequality in semi-inner product \(C^{\ast}\)-modules via polar decomposition. Zbl 1257.46026Fujii, J. I.; Fujii, M.; Moslehian, M. S.; Seo, Y. 9 2012 Extensions of Heinz-Kato-Furuta inequality. Zbl 0937.47022Fujii, Masatoshi; Nakamoto, Ritsuo 9 2000 A short proof of the best possibility for the grand Furuta inequality. Zbl 0949.47015Fujii, Masatoshi; Matsumoto, Akemi; Nakamoto, Ritsuo 9 1999 Reverse inequalities of Araki, Cordes and Löwner–Heinz inequalities. Zbl 1111.47011Fujii, Masatoshi; Seo, Yuki 8 2005 Classes of operators determined by the Heinz-Kato-Furuta inequality and the Hölder-McCarthy inequality. Zbl 0957.47501Fujii, Masatoshi; Izumino, Saichi; Nakamoto, Ritsuo 8 1994 Adjacency operators of infinite directed graphs. Zbl 0715.05032Fujii, Masatoshi; Sasaoka, Hiromitsu; Watatani, Yasuo 7 1989 On some examples of non-normal operators. Zbl 0236.47002Fujii, Masatoshi 7 1971 A remark on the spectral order of operators. Zbl 0255.47035Fujii, Masatoshi; Kasahara, Isamu 7 1971 Operator functions associated with Furuta’s inequality. Zbl 0725.47023Fujii, Masatoshi; Furuta, Takayuki; Kamei, Eizaburo 6 1991 Recent developments of matrix versions of the arithmetic-geometric mean inequality. Zbl 1357.47017Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki; Zuo, Hongliang 6 2016 Extensions of Heinz-Kato-Furuta inequality. II. Zbl 0937.47019Fujii, Masatoshi; Nakamoto, Ritsuo 6 1999 Characterization of chaotic order and its application to Furuta inequality. Zbl 0889.47014Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizaburo 6 1997 Operator inequalities and covariance in noncommutative probability. Zbl 0902.47014Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo; Takahasi, Sin-Ei 6 1997 The Golden-Thompson-Segal type inequalities related to the weighted geometric mean due to Lawson-Lim. Zbl 1201.47012Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 6 2009 On normal approximate spectrum. Zbl 0251.47002Enomoto, Masatoshi; Fujii, Masatoshi; Tamaki, Kazuhiro 6 1972 \(K_ 0-\)groups and classifications of Cuntz-Krieger algebras. Zbl 0476.46049Enomoto, Masatoshi; Fujii, Masatoshi; Watatani, Yasuo 6 1981 On subclasses of hyponormal operators. Zbl 0326.47029Fujii, Masatoshi; Nakatsu, Yasuhiko 5 1975 Theorems of Ando and Saito for \(p\)-hyponormal operators. Zbl 0815.47025Fujii, Masatoshi; Himeji, Chikako; Matsumoto, Akemi 5 1994 Furuta’s determinant type generalizations of Heinz-Kato inequality. Zbl 0805.47014Fujii, Masatoshi; Kamei, Eizaburo; Kotari, Chikako; Yamada, Hideo 5 1994 A geometric mean in the Furuta inequality. Zbl 1020.47014Fujii, Masatoshi; Nakamoto, Ritsuo 5 2002 Alternative extensions of Heinz-Kato-Furuta inequality. Zbl 0961.47006Fujii, Masatoshi; Lin, Chia-Shiang; Nakamoto, Ritsuo 5 1999 Furuta’s inequality and a generalization of Ando’s theorem. Zbl 0779.47014Fujii, Masatoshi; Kamei, Eizaburo 5 1992 A difference counterpart to a matrix Hölder inequality. Zbl 1189.15028Fujii, Masatoshi; Lee, Eun-Young; Seo, Yuki 5 2010 Matrix order in Bohr inequality for operators. Zbl 1186.47012Fujii, Masatoshi; Zuo, Hongliang 5 2010 Extensions of the Heinz-Kato-Furuta inequality by using operator monotone functions. Zbl 1044.47007Fujii, Masatoshi; Kim, Young Ok; Tominaga, Masaru 4 2002 The Heinz-Kato-Furuta inequality and hyponormal operators. Zbl 0817.47022Fujii, Masatoshi; Nakamoto, Ritsuo; Watanabe, Hideharu 4 1994 Further extensions of Wielandt type Heinz-Kato-Furuta inequalities via Furuta inequality. Zbl 1045.47011Fujii, Masatoshi; Kim, Young Ok; Seo, Yuki 4 2003 Operator inequalities related to Ando-Hiai inequality. Zbl 1189.47017Fujii, Masatoshi; Ito, Masatoshi; Kamei, Eizaburo; Matsumoto, Akemi 4 2009 A characterization of convex functions and its application to operator monotone functions. Zbl 1304.47024Fujii, Masatoshi; Kim, Young Ok; Nakamoto, Ritsuo 4 2014 Estimations of Heron means for positive operators. Zbl 1385.47009Fujii, Masatoshi; Furuichi, Shigeru; Nakamoto, Ritsuo 4 2016 Norm inequalities in the Corach-Porta-Recht theory and operator means. Zbl 0927.47012Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo 4 1996 Refinements of Hölder-McCarthy inequality and Young inequality. Zbl 1368.47018Fujii, Masatoshi; Nakamoto, Ritsuo 4 2016 A characterization of chaotic order and a problem. Zbl 0910.47013Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizaburo; Tanahashi, Kotaro 4 1998 Simultaneous extensions of Selberg inequality and Heinz-Kato-Furuta inequality. Zbl 1023.47013Fujii, Masatoshi; Nakamoto, Ritsuo 4 1998 Characterizations of usual and chaotic order via Furuta and Kantorovich inequalities. Zbl 0976.47013Fujii, Masatoshi; Hashimoto, Masashi; Seo, Yuki; Yanagida, Masahiro 4 2000 Furuta inequality and its related topics. Zbl 1244.47019Fujii, M. 4 2010 Dunkl-Williams inequality for operators associated with \(p\)-angular distance. Zbl 1225.47020Dadipour, Farzad; Fujii, Masatoshi; Moslehian, Mohammad Sal 4 2010 Furuta’s inequality for the chaotic order. Zbl 0758.47014Fujii, Masatoshi; Kamei, Eizaburo 4 1991 The spectrum of an infinite directed graph. Zbl 0754.47004Fujii, Jun Ichi; Fujii, Masatoshi; Sasaoka, Hiromitsu; Watatani, Yasuo 4 1991 On normal approximate spectrum. II. Zbl 0258.47003Fujii, Masatoshi; Nakamoto, Ritsuo 4 1972 On normal approximate spectrum. III. Zbl 0258.47004Fujii, Masatoshi; Tamaki, Kazuhiro 4 1972 Some remarks on operator means. Zbl 0435.47030Fujii, Jun Ichi; Fujii, Masatoshi 4 1979 Cuntz-Krieger algebras associated with adjoint graphs. Zbl 0455.46054Fujii, Masatoshi; Watatani, Yasuo 4 1980 The numerical radius of an infinite directed graph. Zbl 0715.05031Fujii, Masatoshi; Sasaoka, Hiromitsu; Watatani, Yasuo 3 1990 Sharp mean triangle inequality. Zbl 1208.46021Fujii, Masatoshi; Kato, Mikio; Saito, Kichi-Suke; Tamura, Takayuki 3 2010 An inequality for some nonnormal operators – extension to normal approximate eigenvalues. Zbl 0783.47027Fujii, Masatoshi; Furuta, Takayuki; Seo, Yuki 3 1993 Generalized Bebiano-Lemos-Providência inequalities and their reverses. Zbl 1127.47018Fujii, Masatoshi; Nakamoto, Ritsuo; Tominaga, Masaru 3 2007 Continuously differentiable means. Zbl 1133.26323Fujii, Jun Ichi; Fujii, Masatoshi; Miura, Takeshi; Takagi, Hiroyuki; Takahasi, Sin-Ei 3 2006 Golden-Thompson type inequalities related to a geometric mean via Specht’s ratio. Zbl 1017.47015Fujii, Masatoshi; Seo, Yuki; Tominaga, Masaru 3 2002 Zhan’s inequality on A-G mean inequalities. Zbl 1307.15027Fujii, Masatoshi; Seo, Yuki; Zuo, Hongliang 3 2015 Generalizations of the Wielandt theorem. Zbl 0928.47011Fujii, Masatoshi; Katayama, Yoshikazu; Nakamoto, Ritsuo 3 1999 Antinormal operators and theorems of Izumino. Zbl 0479.47018Fujii, Masatoshi; Nakamoto, Ritsuo 3 1979 An estimation of the transcendental radius of an operator. Zbl 0496.47005Fujii, Masatoshi; Nakamoto, Ritsuo 3 1982 Reverse inequalities on chaotically geometric mean via Specht ratio. Zbl 1057.47019Fujii, Masatoshi; Lee, Sang Hun; Seo, Yuki; Jung, Dongick 2 2003 The index of an infinite directed graph. Zbl 0715.05030Fujii, Masatoshi; Sano, Takashi; Sasaoka, Hiromitsu 2 1990 On normal approximate spectrum. IV. Zbl 0273.47002Fujii, Masatoshi; Nakamoto, Ritsuo 2 1973 Non-commutative Liapounoff’s theorem. Zbl 0529.46048Choda, Hisashi; Enomoto, Masatoshi; Fujii, Masatoshi 2 1983 A norm inequality for operator monotone functions. Zbl 0719.47010Fujii, Jun Ichi; Fujii, Masatoshi 2 1990 Jensen inequality is a complement to Kantorovich inequality. Zbl 1099.47018Fujii, Masatoshi; Nakamura, Masahiro 2 2005 An analysis on the internal structure of the celebrated Furuta inequality via operator mean. Zbl 1104.47018Fujii, Masatoshi; Kamei, Eizaburo; Nakamoto, Ritsuo 2 2005 Kolmogorov’s complexity for positive definite matrices. Zbl 0996.15017Fujii, Jun Ichi; Fujii, Masatoshi 2 2002 An application of the Furuta inequality to operator inequalities on chaotic orders. Zbl 0815.47013Fujii, Masatoshi; Furuta, Takayuki; Wang, Derming 2 1994 Grand Furuta inequality and its variant. Zbl 1145.47013Fujii, Masatoshi; Kamei, Eizaburo; Nakamoto, Ritsuo 2 2007 A graph theoretical observation on the Selberg inequality. Zbl 0709.47005Fujii, Masatoshi; Kubo, Kyoko; Otani, Shoici 2 1990 Variants of Ando–Hiai inequality. Zbl 1156.47022Fujii, Masatoshi; Kamei, Eizaburo 2 2009 Reverse inequalities on chaotically geometric mean via Specht ratio. II. Zbl 1057.47020Fujii, Masatoshi; Mićić, Jadranka; Pečarić, Josip; Seo, Yuki 2 2003 Reverse of the grand Furuta inequality and its applications. Zbl 1160.47014Fujii, Masatoshi; Nakaoto, Ritsuo; Tominaga, Masaru 2 2008 Operator inequalities on Hilbert \(C^{\ast}\)-modules via the Cauchy-Schwarz inequality. Zbl 1295.46039Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 2 2014 Kantorovich type operator inequalities via grand Furuta inequality. Zbl 0967.47007Fujii, Masatoshi; Kamei, Eizaburo; Seo, Yuki 2 2000 A satellite of the grand Furuta inequality and its application. Zbl 1270.47016Fujii, Masatoshi; Nakamoto, Ritsuo; Yonezawa, Keisuke 2 2013 Strang’s inequality. Zbl 0772.47004Fujii, Jun Ichi; Fujii, Masatoshi; Izumino, Saichi; Kubo, Fumio; Nakamoto, Ritsuo 2 1992 Norm inequalities related to McIntosh type inequality. Zbl 0956.47502Fujii, Junichi; Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo 2 1992 Covariance in Bernstein’s inequality for operators. Zbl 0997.47501Fujii, Masatoshi; Nakamoto, Ritsuo; Seo, Yuki 2 1997 Upper estimations on integral operator means. Zbl 1292.47011Fujii, Jun Ichi; Fujii, Masatoshi 2 2012 Riccati equation and positivity of operator matrices. Zbl 1186.47011Fujii, Jun Ichi; Fujii, Masatoshi; Ritsuo, Nakamoto 2 2009 Jensen’s inequalities of any interval for operators. Zbl 1080.47018Fujii, Jun Ichi; Fujii, Masatoshi 2 2004 Tensor algebra on the sub-Fock space associated with \(O_ A\). Zbl 0467.46044Enomoto, Masatoshi; Fujii, Masatoshi; Watatani, Yasuo 2 1981 Reverse Cauchy-Schwarz type inequalities in pre-inner product \(C^{*}\)-modules. Zbl 1267.46074Fujii, Jun-Ichi; Fujii, Masatoshi; Moslehian, Mohammad Sal; Pečarić, Josip E.; Seo, Yuki 2 2011 Kadison’s Schwarz inequality and noncommutative Kantorovich inequality. Zbl 1198.47030Fujii, Masatoshi; Nakamura, Masahiro 1 2006 On normal approximate spectrum. V. Zbl 0273.47003Fujii, Masatoshi 1 1973 Operators similar to partial isometries. Zbl 0307.47003Fujii, Masatoshi 1 1974 Equivalences of operator representations of semigroups. Zbl 0349.47028Fujii, Masatoshi; Furuta, Takayuki; Matsumoto, Kyoko 1 1975 Kantorovich type inequalities for the difference with two negative parameters. Zbl 1222.47023Kim, Young Ok; Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 1 2010 Matrix trace inequalities related to the Tsallis relative entropies of real order. Zbl 1459.81013Fujii, Masatoshi; Seo, Yuki 1 2021 Extensions of Ando-Hiai inequality with negative power. Zbl 07351086Fujii, Masatoshi; Nakamoto, Ritsuo 1 2020 Recent developments of matrix versions of the arithmetic-geometric mean inequality. Zbl 1357.47017Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki; Zuo, Hongliang 6 2016 Estimations of Heron means for positive operators. Zbl 1385.47009Fujii, Masatoshi; Furuichi, Shigeru; Nakamoto, Ritsuo 4 2016 Refinements of Hölder-McCarthy inequality and Young inequality. Zbl 1368.47018Fujii, Masatoshi; Nakamoto, Ritsuo 4 2016 Singular value inequalities related to the Audenaert-Zhan inequality. Zbl 1350.15008Zuo, Hongliang; Fujii, Masatoshi; Fujii, Junichi; Seo, Yuki 1 2016 Estimates of operator convex and operator monotone functions on bounded intervals. Zbl 1372.47027Najafi, Hamed; Moslehian, Mohammad Sal; Fujii, Masatoshi; Nakamoto, Ritsuo 1 2016 A refinement of the grand Furuta inequality. Zbl 06820451Fujii, Masatoshi; Nakamoto, Ritsuo 1 2016 Advances in operator Cauchy-Schwarz inequalities and their reverses. Zbl 1312.47022Aldaz, J. M.; Barza, S.; Fujii, M.; Moslehian, M. S. 13 2015 Zhan’s inequality on A-G mean inequalities. Zbl 1307.15027Fujii, Masatoshi; Seo, Yuki; Zuo, Hongliang 3 2015 An investigation of unitarily invariant norm inequalities of Löwner-Heinz type. Zbl 1385.47005Fujii, M.; Moslehian, M. S.; Nakamoto, R.; Tominaga, M. 1 2015 Further refinements of Zhan’s inequality for unitarily invariant norms. Zbl 1391.15079Zuo, Hongliang; Seo, Yuki; Fujii, Masatoshi 1 2015 A characterization of convex functions and its application to operator monotone functions. Zbl 1304.47024Fujii, Masatoshi; Kim, Young Ok; Nakamoto, Ritsuo 4 2014 Operator inequalities on Hilbert \(C^{\ast}\)-modules via the Cauchy-Schwarz inequality. Zbl 1295.46039Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 2 2014 Upper bound for spectra of Jensen operator and its application to reverse arithmetic-geometric means. Zbl 1321.47019Zuo, Hongliang; Fujii, Masatoshi; Fujii, Jun Ichi; Seo, Yuki 1 2014 An operator inequality implying the usual and chaotic orders. Zbl 1408.47005Fujii, Jun Ichi; Fujii, Masatoshi; Nakamoto, Ritsuo 1 2014 A satellite of the grand Furuta inequality and its application. Zbl 1270.47016Fujii, 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 1277.47001Fujii, Masatoshi; Mićić Hot, Jadranka; Pečarić, Josip; Seo, Yuki 17 2012 Cauchy-Schwarz inequality in semi-inner product \(C^{\ast}\)-modules via polar decomposition. Zbl 1257.46026Fujii, J. I.; Fujii, M.; Moslehian, M. S.; Seo, Y. 9 2012 Upper estimations on integral operator means. Zbl 1292.47011Fujii, Jun Ichi; Fujii, Masatoshi 2 2012 Bohr’s inequality revisited. Zbl 1262.47027Fujii, Masatoshi; Moslehian, Mohammad Sal; Mićić, Jadranka 1 2012 On Yuan-Gao’s “complete form” of Furuta inequality. Zbl 1270.47015Fujii, Masatoshi; Ito, Masatoshi; Kamei, Eizaburo; Nakamoto, Ritsuo 1 2012 Refined Young inequality with Kantorovich constant. Zbl 1242.47017Zuo, Hongliang; Shi, Guanghua; Fujii, Masatoshi 47 2011 Reverse Cauchy-Schwarz type inequalities in pre-inner product \(C^{*}\)-modules. Zbl 1267.46074Fujii, Jun-Ichi; Fujii, Masatoshi; Moslehian, Mohammad Sal; Pečarić, Josip E.; Seo, Yuki 2 2011 A difference counterpart to a matrix Hölder inequality. Zbl 1189.15028Fujii, Masatoshi; Lee, Eun-Young; Seo, Yuki 5 2010 Matrix order in Bohr inequality for operators. Zbl 1186.47012Fujii, Masatoshi; Zuo, Hongliang 5 2010 Furuta inequality and its related topics. Zbl 1244.47019Fujii, M. 4 2010 Dunkl-Williams inequality for operators associated with \(p\)-angular distance. Zbl 1225.47020Dadipour, Farzad; Fujii, Masatoshi; Moslehian, Mohammad Sal 4 2010 Sharp mean triangle inequality. Zbl 1208.46021Fujii, Masatoshi; Kato, Mikio; Saito, Kichi-Suke; Tamura, Takayuki 3 2010 Kantorovich type inequalities for the difference with two negative parameters. Zbl 1222.47023Kim, Young Ok; Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 1 2010 A matrix reverse Hölder inequality. Zbl 1179.15021Bourin, Jean-Christophe; Lee, Eun-Young; Fujii, Masatoshi; Seo, Yuki 20 2009 The Golden-Thompson-Segal type inequalities related to the weighted geometric mean due to Lawson-Lim. Zbl 1201.47012Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki 6 2009 Operator inequalities related to Ando-Hiai inequality. Zbl 1189.47017Fujii, Masatoshi; Ito, Masatoshi; Kamei, Eizaburo; Matsumoto, Akemi 4 2009 Variants of Ando–Hiai inequality. Zbl 1156.47022Fujii, Masatoshi; Kamei, Eizaburo 2 2009 Riccati equation and positivity of operator matrices. Zbl 1186.47011Fujii, Jun Ichi; Fujii, Masatoshi; Ritsuo, Nakamoto 2 2009 Operator inequalities of Ando-Hiai type and their applications. Zbl 1180.47016Fujii, Masatoshi; Kamei, Eizaburo 1 2009 Reverse of the grand Furuta inequality and its applications. Zbl 1160.47014Fujii, Masatoshi; Nakaoto, Ritsuo; Tominaga, Masaru 2 2008 A reverse inequality for the weighted geometric mean due to Lawson–Lim. Zbl 1132.47016Fujii, Jun Ichi; Fujii, Masatoshi; Nakamura, Masahiro; Pečarić, Josip; Seo, Yuki 15 2007 Generalized Bebiano-Lemos-Providência inequalities and their reverses. Zbl 1127.47018Fujii, Masatoshi; Nakamoto, Ritsuo; Tominaga, Masaru 3 2007 Grand Furuta inequality and its variant. Zbl 1145.47013Fujii, Masatoshi; Kamei, Eizaburo; Nakamoto, Ritsuo 2 2007 Ando-Hiai inequality and Furuta inequality. Zbl 1110.47011Fujii, Masatoshi; Kamei, Eizaburo 10 2006 Continuously differentiable means. Zbl 1133.26323Fujii, Jun Ichi; Fujii, Masatoshi; Miura, Takeshi; Takagi, Hiroyuki; Takahasi, Sin-Ei 3 2006 Kadison’s Schwarz inequality and noncommutative Kantorovich inequality. Zbl 1198.47030Fujii, Masatoshi; Nakamura, Masahiro 1 2006 Reverse inequalities of Araki, Cordes and Löwner–Heinz inequalities. Zbl 1111.47011Fujii, Masatoshi; Seo, Yuki 8 2005 Jensen inequality is a complement to Kantorovich inequality. Zbl 1099.47018Fujii, Masatoshi; Nakamura, Masahiro 2 2005 An analysis on the internal structure of the celebrated Furuta inequality via operator mean. Zbl 1104.47018Fujii, Masatoshi; Kamei, Eizaburo; Nakamoto, Ritsuo 2 2005 Jensen’s inequalities of any interval for operators. Zbl 1080.47018Fujii, Jun Ichi; Fujii, Masatoshi 2 2004 On generalized Kantorovich inequalities. Zbl 1125.47012Fujii, Jun Ichi; Fujii, Masatoshi; Seo, Yuki; Tominaga, Masaru 1 2004 Further extensions of Wielandt type Heinz-Kato-Furuta inequalities via Furuta inequality. Zbl 1045.47011Fujii, Masatoshi; Kim, Young Ok; Seo, Yuki 4 2003 Reverse inequalities on chaotically geometric mean via Specht ratio. Zbl 1057.47019Fujii, Masatoshi; Lee, Sang Hun; Seo, Yuki; Jung, Dongick 2 2003 Reverse inequalities on chaotically geometric mean via Specht ratio. II. Zbl 1057.47020Fujii, Masatoshi; Mićić, Jadranka; Pečarić, Josip; Seo, Yuki 2 2003 On a question of Furuta on chaotic order. II. Zbl 1068.47024Fujii, Masatoshi; Kamei, Eizaburo; Nakamoto, Ritsuo 1 2003 A geometric mean in the Furuta inequality. Zbl 1020.47014Fujii, Masatoshi; Nakamoto, Ritsuo 5 2002 Extensions of the Heinz-Kato-Furuta inequality by using operator monotone functions. Zbl 1044.47007Fujii, Masatoshi; Kim, Young Ok; Tominaga, Masaru 4 2002 Golden-Thompson type inequalities related to a geometric mean via Specht’s ratio. Zbl 1017.47015Fujii, Masatoshi; Seo, Yuki; Tominaga, Masaru 3 2002 Kolmogorov’s complexity for positive definite matrices. Zbl 0996.15017Fujii, Jun Ichi; Fujii, Masatoshi 2 2002 Some classes of operators related to paranormal and log-hyponormal operators. Zbl 0963.47018Fujii, Masatoshi; Jung, Dongick; Lee, Sang Hun; Lee, Mi Young; Nakamoto, Ritsuo 10 2000 Extensions of Heinz-Kato-Furuta inequality. Zbl 0937.47022Fujii, Masatoshi; Nakamoto, Ritsuo 9 2000 Characterizations of usual and chaotic order via Furuta and Kantorovich inequalities. Zbl 0976.47013Fujii, Masatoshi; Hashimoto, Masashi; Seo, Yuki; Yanagida, Masahiro 4 2000 Kantorovich type operator inequalities via grand Furuta inequality. Zbl 0967.47007Fujii, Masatoshi; Kamei, Eizaburo; Seo, Yuki 2 2000 An application of a characterization of operator order to \(p\)-hyponormal operators. Zbl 0966.47005Fujii, Masatoshi; Lin, Chia-Shiang 1 2000 Some classes of operators derived from Furuta inequality. Zbl 0963.47019Fujii, Masatoshi; Nakamoto, Ritsuo 1 2000 Bessel type extension of the Bernstein inequality. Zbl 0959.47004Fujii, Masatoshi; Lin, Chia-Shiang; Nakamoto, Ritsuo 1 2000 A short proof of the best possibility for the grand Furuta inequality. Zbl 0949.47015Fujii, Masatoshi; Matsumoto, Akemi; Nakamoto, Ritsuo 9 1999 Extensions of Heinz-Kato-Furuta inequality. II. Zbl 0937.47019Fujii, Masatoshi; Nakamoto, Ritsuo 6 1999 Alternative extensions of Heinz-Kato-Furuta inequality. Zbl 0961.47006Fujii, Masatoshi; Lin, Chia-Shiang; Nakamoto, Ritsuo 5 1999 Generalizations of the Wielandt theorem. Zbl 0928.47011Fujii, Masatoshi; Katayama, Yoshikazu; Nakamoto, Ritsuo 3 1999 A characterization of chaotic order and a problem. Zbl 0910.47013Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizaburo; Tanahashi, Kotaro 4 1998 Simultaneous extensions of Selberg inequality and Heinz-Kato-Furuta inequality. Zbl 1023.47013Fujii, Masatoshi; Nakamoto, Ritsuo 4 1998 Characterization of chaotic order and its applications to Furuta’s type operator inequalities. Zbl 0908.47014Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizaburo 1 1998 Operator functions associated with the grand Furuta inequality. Zbl 0912.47006Jiang, J. F.; Kamei, E.; Fujii, M. 1 1998 Spectral order and operator means. Zbl 0955.47014Fujii, Masatoshi; Nakamoto, Ritsuo; Nakamura, Masahiro 1 1998 Operator inequalities related to Cauchy-Schwarz and Hölder-McCarthy inequalities. Zbl 0997.47505Fujii, Masatoshi; Izumino, Saichi; Nakamoto, Ritsuo; Seo, Yuki 28 1997 Characterization of chaotic order and its application to Furuta inequality. Zbl 0889.47014Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizaburo 6 1997 Operator inequalities and covariance in noncommutative probability. Zbl 0902.47014Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo; Takahasi, Sin-Ei 6 1997 Covariance in Bernstein’s inequality for operators. Zbl 0997.47501Fujii, Masatoshi; Nakamoto, Ritsuo; Seo, Yuki 2 1997 Complements to the Furuta inequality. III. Zbl 0887.47017Fujii, Masatoshi; Furuta, Takayuki; Kamei, Eizabro 1 1997 Complements to the Furuta inequality. IV. Zbl 0909.47012Fujii, Masatoshi; Jiang, Jian Fei; Kamei, Eizabro 1 1997 Mean theoretic approach to the grand Furuta inequality. Zbl 0859.47012Fujii, Masatoshi; Kamei, Eizaburo 14 1996 Norm inequalities in the Corach-Porta-Recht theory and operator means. Zbl 0927.47012Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo 4 1996 Graphs and Kolmogorov’s complexity. Zbl 0882.94011Fujii, Masatoshi; Nakamura, Masahiro; Seo, Yuki; Watatani, Yasuo 1 1996 Rota’s theorem and Heinz inequalities. Zbl 0818.47008Fujii, Masatoshi; Nakamoto, Ritsuo 1 1995 Parameterized Kantorovich inequality for positive operators. Zbl 0997.47503Fujii, Masatoshi; Kamei, Eizaburo; Matsumoto, Akemi 1 1995 Classes of operators determined by the Heinz-Kato-Furuta inequality and the Hölder-McCarthy inequality. Zbl 0957.47501Fujii, Masatoshi; Izumino, Saichi; Nakamoto, Ritsuo 8 1994 Theorems of Ando and Saito for \(p\)-hyponormal operators. Zbl 0815.47025Fujii, Masatoshi; Himeji, Chikako; Matsumoto, Akemi 5 1994 Furuta’s determinant type generalizations of Heinz-Kato inequality. Zbl 0805.47014Fujii, Masatoshi; Kamei, Eizaburo; Kotari, Chikako; Yamada, Hideo 5 1994 The Heinz-Kato-Furuta inequality and hyponormal operators. Zbl 0817.47022Fujii, Masatoshi; Nakamoto, Ritsuo; Watanabe, Hideharu 4 1994 An application of the Furuta inequality to operator inequalities on chaotic orders. Zbl 0815.47013Fujii, Masatoshi; Furuta, Takayuki; Wang, Derming 2 1994 Complements to the Furuta inequality. Zbl 0818.47012Fujii, Masatoshi; Furuta, Takayuki; Kamei, Eizaburo 1 1994 Furuta’s inequality and its application to Ando’s theorem. Zbl 0788.47012Fujii, Masatoshi; Furuta, Takayuki; Kamei, Eizaburo 30 1993 Buzano’s inequality and bounds for roots of algebraic equations. Zbl 0781.47013Fujii, Masatoshi; Kubo, Fumio 21 1993 Norm inequalities equivalent to Heinz inequality. Zbl 0783.47008Fujii, Jun Ichi; Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo 19 1993 Löwner–Heinz, Cordes and Heinz–Kato inequalities. Zbl 0784.47013Fujii, Masatoshi; Furuta, Takayuki 11 1993 An inequality for some nonnormal operators – extension to normal approximate eigenvalues. Zbl 0783.47027Fujii, Masatoshi; Furuta, Takayuki; Seo, Yuki 3 1993 Uchiyama’s commutativity theorem on positive operators. Zbl 0809.47021Fujii, Masatoshi; Nakamoto, Ritsuo; Nakamura, Masahiro 1 1993 On certain norm inequalities. Zbl 0784.47014Fujii, Masatoshi; Nakamoto, Ritsuo 1 1993 Furuta’s inequality and a generalization of Ando’s theorem. Zbl 0779.47014Fujii, Masatoshi; Kamei, Eizaburo 5 1992 Strang’s inequality. Zbl 0772.47004Fujii, Jun Ichi; Fujii, Masatoshi; Izumino, Saichi; Kubo, Fumio; Nakamoto, Ritsuo 2 1992 Norm inequalities related to McIntosh type inequality. Zbl 0956.47502Fujii, Junichi; Fujii, Masatoshi; Furuta, Takayuki; Nakamoto, Ritsuo 2 1992 Operator functions associated with Furuta’s inequality. Zbl 0725.47023Fujii, Masatoshi; Furuta, Takayuki; Kamei, Eizaburo 6 1991 ...and 32 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 376 Authors 30 Fujii, Masatoshi 28 Seo, Yuki 25 Moslehian, Mohammad Sal 23 Furuta, Takayuki 20 Dragomir, Sever Silvestru 15 Moradi, Hamid Reza 12 Fujii, Jun Ichi 12 Furuichi, Shigeru 12 Nakamoto, Ritsuo 12 Yamazaki, Takeaki 11 Kamei, Eizaburo 10 Pečarić, Josip 10 Sims, Aidan 9 Kittaneh, Fuad 9 Omidvar, Mohsen Erfanian 9 Sababheh, Mohamad Suboh 8 Bakherad, Mojtaba 8 Raeburn, Iain 8 Wu, Junliang 8 Yang, Changsen 7 an Huef, Astrid 7 Bhunia, Pintu 7 Laca, Marcelo 7 Mićić, Jadranka 7 Paul, Kallol 7 Rashid, Mohammad Hussein Mohammad 6 Conde, Cristian M. 6 Kian, Mohsen 6 Lim, Yongdo 6 Tominaga, Masaru 6 Uchiyama, Mitsuru 6 Zhao, Jianguo 5 Bag, Santanu 5 Gumus, Ibrahim Halil 5 Hiai, Fumio 5 Ito, Masatoshi 5 Matsumoto, Kengo 5 Nasiri, Leila 5 Saito, Kichisuke 4 Cevher, Volkan 4 Jung, Il Bong 4 Lee, Hosoo 4 Liao, Wenshi 4 Lin, Junhong 4 Nakamura, Masahiro 4 Otachel, Zdzisław 4 Shebrawi, Khalid 4 Yuan, Jiangtao 3 Aujla, Jaspal Singh 3 Bourin, Jean-Christophe 3 Chandra, Harish 3 Chavan, Sameer Laxman 3 Duggal, Bhagwati Prashad 3 Heydarbeygi, Zahra 3 Kaleibary, Venus 3 Khanehgir, Mahnaz 3 Kim, Sejong 3 Kumar, Dilip 3 Larsen, Nadia S. 3 Lee, Eun-Young 3 Matharu, Jagjit Singh 3 Matsumoto, Akemi 3 Mizuguchi, Hiroyasu 3 Raïssouli, Mustapha 3 Seddik, Ameur 3 Singh, Mandeep 3 Stochel, Jan 3 Thomsen, Klaus E. 3 Tian, Jingfeng 3 Wada, Shuhei 3 Yanagida, Masahiro 2 Afsar, Zahra 2 Akhbari, Mohammad Hadi 2 Amyari, Maryam 2 Anand, Akash 2 Arambašić, Ljiljana 2 Bhatia, Rajendra 2 Bottazzi, Tamara 2 Chien, Mao-Ting 2 Cho, Yeol Je 2 Choi, Daeshik 2 Corach, Gustavo 2 Dadkhah, Ali 2 Dinh Trung Hoa 2 Exner, George R. 2 Farsi, Carla 2 Fujimoto, Masayuki 2 Gao, Zongsheng 2 Ghazanfari, Amir Ghasem 2 Goffeng, Magnus 2 Hajmohamadi, Monire 2 Hamhalter, Jan 2 Hansen, Frank-Peter 2 Jabłoński, Zenon Jan 2 Jiang, Jianfei 2 Joardar, Soumalya 2 Jocić, Danko R. 2 Jung, Changdo 2 Kakariadis, Evgenios T. A. 2 Kang, Eun Ji ...and 276 more Authors all top 5 Cited in 117 Serials 94 Linear Algebra and its Applications 24 Linear and Multilinear Algebra 23 Journal of Mathematical Analysis and Applications 20 Proceedings of the American Mathematical Society 18 Journal of Inequalities and Applications 13 Integral Equations and Operator Theory 11 Journal of Mathematical Inequalities 11 Advances in Operator Theory 10 Journal of Functional Analysis 10 Proceedings of the Japan Academy 8 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. 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Académie des Sciences, Paris 1 Journal of Applied Mathematics and Computing 1 Thai Journal of Mathematics ...and 17 more Serials all top 5 Cited in 33 Fields 308 Operator theory (47-XX) 121 Linear and multilinear algebra; matrix theory (15-XX) 99 Functional analysis (46-XX) 77 Real functions (26-XX) 12 Quantum theory (81-XX) 11 Functions of a complex variable (30-XX) 11 Dynamical systems and ergodic theory (37-XX) 10 Combinatorics (05-XX) 9 Information and communication theory, circuits (94-XX) 7 Numerical analysis (65-XX) 5 Difference and functional equations (39-XX) 5 Probability theory and stochastic processes (60-XX) 5 Computer science (68-XX) 5 Statistical mechanics, structure of matter (82-XX) 4 Partial differential equations (35-XX) 4 Geometry (51-XX) 4 Differential geometry (53-XX) 4 Statistics (62-XX) 3 Field theory and polynomials (12-XX) 3 Global analysis, analysis on manifolds (58-XX) 2 Nonassociative rings and algebras (17-XX) 2 Integral transforms, operational calculus (44-XX) 2 Convex and discrete geometry (52-XX) 2 Systems theory; control (93-XX) 1 History and biography (01-XX) 1 Order, lattices, ordered algebraic structures (06-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 Harmonic analysis on Euclidean spaces (42-XX) 1 Operations research, mathematical programming (90-XX) 1 Biology and other natural sciences (92-XX) Citations by Year