Shuhei Wada

Profile Information

Affiliation: Department of Information and Computer Engineering, Kisarazu National College of Technology

Degree: (BLANK)

J-GLOBAL ID: 200901079697672838
researchmap Member ID: 1000140623

Research Interests

Operator Theory

Papers

Pusz–Woronowicz Functional Calculus and Extended Operator Convex Perspectives

Fumio Hiai, Yoshimichi Ueda, Shuhei Wada

Integr. Equ. Oper. Theory, 94(1) 1-66, Apr, 2022 Peer-reviewed
Geometric convexity of an operator mean

WADA Shuhei

Positivity, 24(3) 615-629, Jun, 2020 Peer-reviewed
Functions preserving operator means

Trung Hoa, Dinh, Hiroyuki Osaka, Shuhei Wada

Annals of Functional Analysis, 11 1203-1219, Jun, 2020 Peer-reviewed
Ando-Hiai-type inequalities for operator means and operator perspectives.

Hiai, Fumio, Seo, Yuki, Wada, Shuhei

International Journal of Mathematics, Vol. 31(No. 01) 1-44, Jun, 2020 Peer-reviewed
Ando–Hiai type inequalities for multivariate operator means

Fumio Hiai, Yuki Seo, Shuhei Wada

Linear and Multilinear Algebra, 67 2253-2281, Jun, 2019 Peer-reviewed
Characterization of operator convex functions by certain operator inequalities

Hiroyuki, Tsurumi, Yukihiro, Wada, Shuhei

Math. Inequal. Appl., 22(2) 565-575, Apr, 2019 Peer-reviewed
Generalized reverse Cauchy inequality and applications to operator means

Osaka, Hiroyuki, Tsurumi, Yukihiro, Wada, Shuhei

Journal of Mathematical Inequalities, 12(4) 1029-1039, Dec, 2018 Peer-reviewed
When does Ando–Hiai inequality hold?

Shuhei Wada

Linear Algebra and Its Applications, 540 234-243, Mar 1, 2018 Peer-reviewed
Unexpected relations which characterize operator means.

Osaka, Hiroyuki, Wada, Shuhei

Proc. Amer. Math. Soc. Ser. B, 3 9-17, Dec, 2016 Peer-reviewed
Equivalence relations among some inequalities on operator means

Wada, Shuhei, Yamazaki, Takeaki

Nihonkai Mathematical Journal, 27(1-2) 1-15, Dec, 2016 Peer-reviewed
Operator monotonicity of some functions

Masaru Nagisa, Shuhei Wada

LINEAR ALGEBRA AND ITS APPLICATIONS, 486 389-408, Dec, 2015 Peer-reviewed
On a family of operator means involving the power difference means

Yoichi Udagawa, Shuhei Wada, Takeaki Yamazaki, Masahiro Yanagida

LINEAR ALGEBRA AND ITS APPLICATIONS, 485 124-131, Nov, 2015 Peer-reviewed
Some ways of constructing Furuta-type inequalities

Shuhei Wada

LINEAR ALGEBRA AND ITS APPLICATIONS, 457 276-286, Sep, 2014 Peer-reviewed
Barbour path of operator monotone functions.

Kubo, Fumio, Nakamura, Noboru, Ohno, Koji, Wada, Shuhei

Far East J. Math. Sci. (FJMS) 57 (2011), no. 2, 181–192., 57(2) 181-192, Aug, 2011 Peer-reviewed
A GENERAL HLAWKA INEQUALITY AND ITS REVERSE INEQUALITY

Yasuji Takahashi, Sin-Ei Takahasi, Shuhei Wada

MATHEMATICAL INEQUALITIES & APPLICATIONS, 12(1) 1-10, Jan, 2009 Peer-reviewed
Commutativity induced from some operator identities.

Nagisa, Masaru, Ueda, Makoto, Wada, Shuhei

Applied functional analysis,, 1-6, 2007
On some refinement of the Cauchy-Schwarz inequality

Shuhei Wada

LINEAR ALGEBRA AND ITS APPLICATIONS, 420(2-3) 433-440, Jan, 2007 Peer-reviewed
Commutativity of operators.

Nagisa, Masaru, Ueda, Makoto, Wada, Shuhei

Nihonkai Math. J., 17(1) 1-8, 2006 Peer-reviewed
On Wirtinger-Beesack type integral inequalities.

Tsukada, M, Miura, T, Wada, S, Takahashi, Y, Takahasi, S.-E

Nonlinear analysis and convex analysis, 541-549, 2004
Some convexity constants related to Hlawka type inequalities in Banach spaces

Y Takahashi, SE Takahasi, S Wada

JOURNAL OF INEQUALITIES AND APPLICATIONS, 7(1) 125-141, Feb, 2002 Peer-reviewed

Books and Other Publications

Operator and norm inequalities and related topics

(Role: Contributor)

Birkhauser, Aug, 2022 (ISBN: 9783031021046)

Presentations

作用素のべき乗に対するOperator perspective mapの振る舞いについて

和田州平

作用素論・作用素環論研究集会(2019), Dec, 2019
Ando-Hiai type inequalities for multivariate operator means and operator perspectives

Fumio, Hiai, Yuki,Seo, Shuhei Wada

Research on structure of operators by order and related topics, Oct, 2019
Ando-Hiai type inequalities for operator means and operator perspectives

WADA Shuhei

The Fifteenth Workshop on Numerical Ranges and Numerical Radii, Jun 22, 2019
安藤-日合不等式が成り立つための条件

和田州平

日本数学会年会, Mar 20, 2018

Research Projects

Related topics on Operator Theory and Operator Algebras

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2003 - 2005

NAGISA Masaru, ISHIMURA Ryuichi, MATUI Hiroki, ITOH Takashi, WADA Shuhei
エルゴード理論の作用素論的考察
An Operator Theoretic Approach to Ergodic Theory

Profile Information

Research Interests

Papers

Books and Other Publications

Presentations

Research Projects

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