Research Output per year

## Fingerprint Dive into the research topics where Noboru Nakamura is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

Operator Monotone Function
Mathematics

Geometric mean
Mathematics

Positive Operator
Mathematics

Mathematical operators
Engineering & Materials Science

Operator Mean
Mathematics

Operator
Mathematics

Path
Mathematics

Distance Matrix
Mathematics

## Research Output 2004 2013

- 20 Citations
- 3 h-Index
- 6 Article

1
Citation
(Scopus)

## Barbour path functions and related operator means

Nakamura, N., Oct 15 2013, In : Linear Algebra and Its Applications. 439, 8, p. 2434-2441 8 p.Research output: Contribution to journal › Article

Operator Mean

Mathematical operators

Path

Integral Means

Order Relation

## Barbour path of operator monotone functions

Kubo, F., Nakamura, N., Ohno, K. & Wada, S., Oct 2011, In : Far East Journal of Mathematical Sciences. 57, 2, p. 181-192 12 p.Research output: Contribution to journal › Article

Operator Monotone Function

Continuous Function

Path

Form

## Weighted geometric means of positive operators

Izumino, S. & Nakamura, N., Jul 2010, In : Kyungpook Mathematical Journal. 50, 2, p. 213-228 16 p.Research output: Contribution to journal › Article

Geometric mean

Positive Operator

Invariance

Permutation

Reverse Inequality

## Geometric means of positive operators

Nakamura, N., Jul 2009, In : Kyungpook Mathematical Journal. 49, 1, p. 167-181 15 p.Research output: Contribution to journal › Article

Geometric mean

Positive Operator

Operator

Cubic equation

Invertible

## Maximization of quadratic forms expressed by distance matrices

Izumino, S. & Nakamura, N., Jan 1 2006, In : Hokkaido Mathematical Journal. 35, 3, p. 641-658 18 p.Research output: Contribution to journal › Article

Distance Matrix

Quadratic form