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