Department of Business and Commerce

Research Output 1989 2019

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Article
2014
7 Citations (Scopus)

On reflectionless nature of self-consistent multi-soliton solutions in Bogoliubov-de gennes and chiral Gross-Neveu models

Takahashi, D. A. & Nitta, M., 2014, In : Journal of Low Temperature Physics. 175, 1-2, p. 250-257 8 p.

Research output: Contribution to journalArticle

High energy physics
Solitons
solitary waves
physics
energy
17 Citations (Scopus)
Dermaptera
sexual selection
male genitalia
coevolution
terminology
5 Citations (Scopus)

Quantum exact non-abelian vortices in non-relativistic theories

Nitta, M., Uchino, S. & Vinci, W., 2014, In : Journal of High Energy Physics. 2014, 9, 98.

Research output: Contribution to journalArticle

vortices
symmetry
relativistic theory
liquids
Bose-Einstein condensates
8 Citations (Scopus)
Yang-Mills theory
symmetry
tuning
continuums
polygons
23 Citations (Scopus)

Torus knots as Hopfions

Kobayashi, M. & Nitta, M., 2014, In : Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 728, 1, p. 314-318 5 p.

Research output: Contribution to journalArticle

cycles
domain wall
strings

Verbal expressions of risk communication: A case study after the 3.11 crisis

Okamoto, S. & Kikkawa, T., 2014 Sep 1, In : Journal of Disaster Research. 9, p. 644-652 9 p.

Research output: Contribution to journalArticle

Linguistics
Earthquakes
Accidents
Communication
9 Citations (Scopus)

Vortex molecules in Bose-Einstein condensates

Nitta, M., Eto, M. & Cipriani, M., 2014, In : Journal of Low Temperature Physics. 175, 1-2, p. 177-188 12 p.

Research output: Contribution to journalArticle

Bose-Einstein condensates
Vortex flow
vortices
Molecules
molecules
10 Citations (Scopus)

Vortex polygons and their stabilities in Bose-Einstein condensates and field theory

Kobayashi, M. & Nitta, M., 2014, In : Journal of Low Temperature Physics. 175, 1-2, p. 208-215 8 p.

Research output: Contribution to journalArticle

polygons
Bose-Einstein condensates
Vortex flow
vortices
High energy physics
44 Citations (Scopus)

Vortices and other topological solitons in dense quark matter

Eto, M., Hirono, Y., Nitta, M. & Yasui, S., 2014 Jan, In : Progress of Theoretical and Experimental Physics. 2014, 1, 012D01.

Research output: Contribution to journalArticle

solitary waves
quarks
vortices
color
domain wall
2013
5 Citations (Scopus)

All exact solutions of non-Abelian vortices from Yang-Mills instantons

Eto, M., Fujimori, T., Nitta, M. & Ohashi, K., 2013, In : Journal of High Energy Physics. 2013, 7, 034.

Research output: Contribution to journalArticle

instantons
vortices
gauge theory
curvature
scalars
4 Citations (Scopus)

A longitudinal case study of target cost management implementation at a shipbuilding company

Yasukata, K., Yoshida, E., Yamada, I. & Oura, K., 2013, In : Journal of Accounting and Organizational Change. 9, 4, p. 448-470 23 p., 17098442.

Research output: Contribution to journalArticle

Target cost
Shipbuilding
Longitudinal case study
Cost management
Diffusion of innovation
10 Citations (Scopus)

Are trade creditors relationship lenders?

Uchida, H., Udell, G. F. & Watanabe, W., 2013 Jan, In : Japan and the World Economy. 25-26, p. 24-38 15 p.

Research output: Contribution to journalArticle

creditor
supplier
credit
bargaining power
lending
2 Citations (Scopus)

Brane realization of Nambu monopoles and electroweak strings

Eto, M., Konishi, K., Nitta, M. & Ookouchi, Y., 2013 Feb 11, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 87, 4, 045006.

Research output: Contribution to journalArticle

monopoles
strings
configurations
minimal surfaces
Higgs bosons
1 Citation (Scopus)

Can a regional trade agreement benefit a nonmember country without compensating it?

Endoh, M., Hamada, K. & Shimomura, K., 2013 Nov, In : Review of International Economics. 21, 5, p. 912-922 11 p.

Research output: Contribution to journalArticle

regional trade
trade agreement
concession
welfare
equilibrium model
41 Citations (Scopus)
domain wall
metal spinning
38 Citations (Scopus)

Crossover between integer and fractional vortex lattices in coherently coupled two-component bose-einstein condensates

Cipriani, M. & Nitta, M., 2013 Oct 21, In : Physical Review Letters. 111, 17, 170401.

Research output: Contribution to journalArticle

Bose-Einstein condensates
integers
crossovers
vortices
dimers
13 Citations (Scopus)

D-brane solitons and boojums in field theory and Bose-Einstein condensates

Kasamatsu, K., Takeuchi, H. & Nitta, M., 2013 Oct 9, In : Journal of Physics Condensed Matter. 25, 40, 404213.

Research output: Contribution to journalArticle

Solitons
Bose-Einstein condensates
Theoretical Models
solitary waves
composite materials
2 Citations (Scopus)

Do Peers Affect Determination of Work Hours? Evidence Based on Unique Employee Data from Global Japanese Firms in Europe

Kuroda, S. & Yamamoto, I., 2013 Sep, In : Journal of Labor Research. 34, 3, p. 359-388 30 p.

Research output: Contribution to journalArticle

Personnel
Industry
Peers
Japanese firms
Hours of work
8 Citations (Scopus)

Dynamics of entering politically risky foreign markets

Alcantara, L. L. & Mitsuhashi, H., 2013 May, In : Management Research Review. 36, 6, p. 580-595 16 p.

Research output: Contribution to journalArticle

Multimarket contact
Host country
Political risk
Research design
Home country
low temperature physics
Domain walls
Bose-Einstein condensates
domain wall
Vortex flow
32 Citations (Scopus)

Exchange rate pass-through and inflation: A nonlinear time series analysis

Shintani, M., Terada-Hagiwara, A. & Yabu, T., 2013, In : Journal of International Money and Finance. 32, 1, p. 512-527 16 p.

Research output: Contribution to journalArticle

Time series analysis
Inflation
Nonlinear time series
Exchange rate pass-through
Smooth transition
8 Citations (Scopus)

Firms' demand for work hours: Evidence from matched firm-worker data in Japan

Kuroda, S. & Yamamoto, I., 2013 Sep, In : Journal of the Japanese and International Economies. 29, p. 57-73 17 p.

Research output: Contribution to journalArticle

Japan
firm
worker
demand
evidence
8 Citations (Scopus)

Forbidden subgraphs for hamiltonicity of 3-connected claw-free graphs

Fujisawa, J., 2013 Jun, In : Journal of Graph Theory. 73, 2, p. 146-160 15 p.

Research output: Contribution to journalArticle

Forbidden Subgraph
Hamiltonicity
Claw-free Graphs
Connected graph
Graph in graph theory
5 Citations (Scopus)

Forbidden subgraphs generating a finite set

Fujisawa, J., Plummer, M. D. & Saito, A., 2013, In : Discrete Mathematics. 313, 19, p. 1835-1842 8 p.

Research output: Contribution to journalArticle

Forbidden Subgraph
Stars
Finite Set
Graph in graph theory
Induced Subgraph
13 Citations (Scopus)

Founders' experiences for startups' fast break-even

Oe, A. & Mitsuhashi, H., 2013 Nov, In : Journal of Business Research. 66, 11, p. 2193-2201 9 p.

Research output: Contribution to journalArticle

Start-ups
Resources
Work experience
Industry
Assets
19 Citations (Scopus)

Fractional vortex molecules and vortex polygons in a baby Skyrme model

Kobayashi, M. & Nitta, M., 2013 Jun 7, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 87, 12, 125013.

Research output: Contribution to journalArticle

polygons
vortices
molecules
subgroups
configurations
9 Citations (Scopus)

Global liquidity trap

Fujiwara, I., Nakajima, T., Sudo, N. & Teranishi, Y., 2013 Nov, In : Journal of Monetary Economics. 60, 8, p. 936-949 14 p.

Research output: Contribution to journalArticle

Liquidity trap
Optimal monetary policy
Interest rate rules
Price index
Monetary policy
32 Citations (Scopus)

Greener pastures: Outside options and strategic alliance withdrawal

Greve, H. R., Mitsuhashi, H. & Baum, J. A. C., 2013 Jan, In : Organization Science. 24, 1, p. 79-98 20 p.

Research output: Contribution to journalArticle

Freight transportation
Availability
Industry
Strategic alliances
Outside options
3 Citations (Scopus)

Hamiltonian cycles in bipartite toroidal graphs with a partite set of degree four vertices

Fujisawa, J., Nakamoto, A. & Ozeki, K., 2013 Jan, In : Journal of Combinatorial Theory. Series B. 103, 1, p. 46-60 15 p.

Research output: Contribution to journalArticle

Hamiltonians
Hamiltonian circuit
Bipartite Graph
Connected graph
Torus
11 Citations (Scopus)

Instantons confined by monopole strings

Nitta, M., 2013 Mar 25, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 87, 6, 066008.

Research output: Contribution to journalArticle

instantons
monopoles
strings
vortices
vortex sheets
12 Citations (Scopus)

Intercultural communication skills: What Japanese businesses today need

Yoshida, T., Yashiro, K. & Suzuki, Y., 2013 Jan, In : International Journal of Intercultural Relations. 37, 1, p. 72-85 14 p.

Research output: Contribution to journalArticle

intercultural communication
communication skills
Communication
Interviews
Focus Groups
14 Citations (Scopus)

Isolation and characterization of a single-stranded RNA virus that infects the marine planktonic diatom Chaetoceros sp. (SS08-C03)

Tomaru, Y., Toyoda, K., Kimura, K., Takao, Y., Sakurada, K., Nakayama, N. & Nagasaki, K., 2013 Jan, In : Phycological Research. 61, 1, p. 27-36 10 p.

Research output: Contribution to journalArticle

Diatoms
Chaetoceros
Bacillariophyceae
RNA Viruses
RNA

Kaoru Osanai and the impact of Edward Gordon Craig's theatrical ideals on Japan's shingeki (new theatre) movement

Oya, R., 2013 Dec 1, In : Shakespeare. 9, 4, p. 418-427 10 p.

Research output: Contribution to journalArticle

Edward Gordon Craig
Ideal
Japan
Stage Director
Artist
2 Citations (Scopus)

Knotted instantons from annihilations of monopole-instanton complex

Nitta, M., 2013 Dec 30, In : International Journal of Modern Physics A. 28, 32, 1350172.

Research output: Contribution to journalArticle

instantons
monopoles
strings
solitary waves
membranes

Localization of risk communication tools

Kikkawa, T. & Suzuki, S., 2013 Feb, In : Journal of Disaster Research. 8, 1, p. 181-182 2 p.

Research output: Contribution to journalArticle

Communication
Developing countries
Waste management
Curricula
Education

Localization of risk communication tools: Two case studies

Kikkawa, T. & Suzuki, S., 2013 Feb, In : Journal of Disaster Research. 8, 1, p. 90-94 5 p.

Research output: Contribution to journalArticle

Communication
Developing countries
Education
Waste management
9 Citations (Scopus)

Manufacturing plants' use of temporary workers: An analysis using census microdata

Ono, Y. & Sullivan, D., 2013 Apr, In : Industrial Relations. 52, 2, p. 419-443 25 p.

Research output: Contribution to journalArticle

Wages
Personnel
Costs
Uncertainty
Manufacturing
6 Citations (Scopus)

Markov processes on the adeles and chebyshev function

Yasuda, K., 2013 Jan, In : Statistics and Probability Letters. 83, 1, p. 238-244 7 p.

Research output: Contribution to journalArticle

Chebyshev
Markov Process
First Exit Time
P-adic Fields
Direct Product
37 Citations (Scopus)

Matryoshka skyrmions

Nitta, M., 2013 Jul 1, In : Nuclear Physics B. 872, 1, p. 62-71 10 p.

Research output: Contribution to journalArticle

domain wall
13 Citations (Scopus)

Non-Abelian quasigapless modes localized on mass vortices in superfluid He3-B

Nitta, M., Shifman, M. & Vinci, W., 2013 Apr 25, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 87, 8, 081702.

Research output: Contribution to journalArticle

vortices
excitation
Kelvin waves
condensed matter physics
strings
7 Citations (Scopus)

Non-Abelian statistics of vortices with non-Abelian Dirac fermions

Yasui, S., Hirono, Y., Itakura, K. & Nitta, M., 2013 May 30, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 87, 5, 052142.

Research output: Contribution to journalArticle

Paul Adrien Maurice Dirac
Fermions
Vortex
fermions
statistics
17 Citations (Scopus)

Production linkage of Asia and Europe via central and eastern Europe

Andou, M. & Kimura, F., 2013 Jun, In : Journal of Economic Integration. 28, 2, p. 204-240 37 p.

Research output: Contribution to journalArticle

Linkage
Central Europe
Asia
Eastern Europe
Production networks
25 Citations (Scopus)

Self-consistent multiple complex-kink solutions in bogoliubov-de gennes and chiral gross-neveu systems

Takahashi, D. A. & Nitta, M., 2013 Mar 28, In : Physical Review Letters. 110, 13, 131601.

Research output: Contribution to journalArticle

phase shift
solitary waves
condensates
boundary conditions
shift
33 Citations (Scopus)

Sine-Gordon kinks on a domain wall ring

Kobayashi, M. & Nitta, M., 2013 Apr 1, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 87, 8, 085003.

Research output: Contribution to journalArticle

beads
domain wall
rings
7 Citations (Scopus)

Tachyon condensation and brane annihilation in bose-einstein condensates: Spontaneous symmetry breaking in restricted lower-dimensional subspace

Takeuchi, H., Kasamatsu, K., Tsubota, M. & Nitta, M., 2013, In : Journal of Low Temperature Physics. 171, 3-4, p. 443-454 12 p.

Research output: Contribution to journalArticle

Domain walls
Bose-Einstein condensates
Condensation
broken symmetry
Vortex flow
9 Citations (Scopus)

The great intervention and massive money injection: The Japanese experience 2003-2004

Watanabe, T. & Yabu, T., 2013, In : Journal of International Money and Finance. 32, 1, p. 428-443 16 p.

Research output: Contribution to journalArticle

Injection
Government
Payment
Liquidity trap
Japan
2 Citations (Scopus)

The Plurilingual Lounge: Creating new worldviews through social interaction

Kurokawa, I., Yoshida, T., Lewis, C. H., Igarashi, R. & Kuradate, K., 2013 Jan, In : International Journal of Intercultural Relations. 37, 1, p. 113-126 14 p.

Research output: Contribution to journalArticle

Interpersonal Relations
worldview
Language
Students
Focus Groups
6 Citations (Scopus)

Two cohort and three independent anonymous twin projects at the Keio Twin Research Center (KoTReC)

Andou, J., Fujisawa, K., Shikishima, C., Hiraishi, K., Nozaki, M., Yamagata, S., Takahashi, Y., Ozaki, K., Suzuki, K., Deno, M., Sasaki, S., Toda, T., Kobayashi, K., Sugimoto, Y., Okada, M., Kijima, N., Ono, Y., Yoshimura, K., Kakihana, S., Maekawa, H. & 4 others, Kamakura, T., Nonaka, K., Kato, N. & Ooki, S., 2013 Feb, In : Twin Research and Human Genetics. 16, 1, p. 202-216 15 p.

Research output: Contribution to journalArticle

Research
Twin Studies
Aptitude
Developmental Genes
Gene-Environment Interaction
10 Citations (Scopus)

Vortex graphs as N-omers and ℂpN-1 skyrmions in N-component Bose-Einstein condensates

Eto, M. & Nitta, M., 2013 Sep, In : EPL. 103, 6, 60006.

Research output: Contribution to journalArticle

Bose-Einstein condensates
vortices
graph theory
20 Citations (Scopus)
Bose-Einstein condensates
vortices
color
ghosts
defects