Researcher Database

MIZUGUCHI HIROYASU

Department / Course

Title / Position Assistant Professor

Papers
1.	2023	A lower bound for the constant A₁(X) in normed linear spaces │ Beitr. Algebra Geom. │ 64 (3),pp.535-543 (Sole-authored)
2.	2021	The von Neumann–Jordan and another constants in Radon planes │ Monatsh. Math. │ 195 (2),pp.307-322 (Sole-authored)
3.	2020	The James constant in Radon planes │ Aequationes Math. │ 94 (2),pp.201-217 (Sole-authored)
4.	2018	Measurement of the difference between two orthogonality types in Banach spaces │ J. Nonlinear Convex Anal. │ 19 (9),pp.1579-1586 (Sole-authored)
5.	2017	The differences between Birkhoff and isosceles orthogonalities in Radon planes │ Extracta Math. │ 32 (2),pp.173-208 (Sole-authored)
6.	2016	On the upper bound of some geometric constants of absolute normalized norms on R² │ Mediterr. J. Math. │ 13 (1),pp.309-322 (Co-authored)
7.	2016	The constants related to isosceles orthogonality in normed spaces and its dual │ Nihonkai Math. J. │ 27,pp.41-58 (Sole-authored)
8.	2016	The constants to measure the differences between Birkhoff and isosceles orthogonalities │ Filomat │ 30 (10),pp.2761-2770 (Sole-authored)
9.	2015	Some geometric constants and the extreme points of the unit ball of Banach spaces │ Rev. Roumaine Math. Pures Appl. │ 60 (1),pp.59-70 (Sole-authored)
10.	2014	On the Dunkl-Williams constant of normed linear spaces │ Banach and function spaces IV (ISBFS 2012) │ ,pp.343-351 (Co-authored)
11.	2014	The Dunkl-Williams constant of symmetric octagonal norms on R² II │ Nihonkai Math. J. │ 25 (2),pp.151-172 (Sole-authored)
12.	2013	On the calculation of the Dunkl-Williams constant of normed linear spaces │ Cent. Eur. J. Math. │ 11 (7),pp.1212-1227 (Co-authored)
13.	2012	The Dunkl-Williams constant of symmetric octagonal norms on R² │ Nihonkai Math. J. │ 23 (2),pp.93-113 (Co-authored)
14.	2011	Another aspect of triangle inequality │ (Co-authored)
15.	2011	Some geometric constants of absolute normalized norms on R² │ 2 (2),pp.22-33 (Co-authored)
16.	2010	A note on Clarkson's inequality in the real case │ J. Math. Inequal. │ 4 (1),pp.129-132 (Co-authored)