Bulletin of the Japan Society for Industrial and Applied Mathematics

Online ISSN : 2432-1982

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Volume 23, Issue 2

Displaying 1-21 of 21 articles from this issue

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[title in Japanese]

Article type: Cover
2013 Volume 23 Issue 2 Pages Cover1-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_Cover1

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[title in Japanese]

Article type: Index
2013 Volume 23 Issue 2 Pages Toc1-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_Toc1

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Expectation for "Mathematical Innovation"

Etsujiro Imanishi

Article type: Article
2013 Volume 23 Issue 2 Pages 49-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_49

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Minimization of the Principal Eigenvalue and Population Dynamics

Eiji Yanagida

Article type: Article
2013 Volume 23 Issue 2 Pages 50-57
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_50

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This article is concerned with an indefinite weight linear eigenvalue problem which is related with population dynamics. We investigate the minimization of the positive principal eigenvalue under the constraint that the weight is bounded by a positive and and a negative constant and the total weight is a fixed negative constant. Biologically, this minimization problem is motivated by the question of determining the optimal spatial arrangement of favorable and unfavorable regions for a species to survive. For an arbitrary domain, it is shown that every global minimizer must be of "bang-bang" type. When the domain is an interval, it is proved that there are exactly two global minimizers, for which the weight is positive at one end of the interval and is negative in the remainder. We also consider the case of rectangular domains both mathematically and numerically.

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Emergence of Random Matrix Theory in Fluctuating Interfaces

Kazumasa A. Takeuchi

Article type: Article
2013 Volume 23 Issue 2 Pages 58-67
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_58

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Recent developments on universal fluctuations of growing interfaces are overviewed. Particular focus is put on experimental results in liquid-crystal turbulence, where one can directly look at statistical laws in random matrix theory as universal features of growing interfaces. Related mathematical models and concepts are also introduced.

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Sales Simulation for E-Commerce Marketing Plans(Industrial Material)

Masaya Murata, Noriko Takaya, Yusuke Ichikawa, Tadasu Uchiyama

Article type: Article
2013 Volume 23 Issue 2 Pages 68-72
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_68

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Introduction to Mathematical Optimization (2) : Integer Programming(Tutorial)

Yuichiro Miyamoto

Article type: Article
2013 Volume 23 Issue 2 Pages 73-78
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_73

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Changes of Engineering Education towards the Next Generation of Engineering(Forum)

Shoji Shinoda

Article type: Article
2013 Volume 23 Issue 2 Pages 79-82
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_79

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Duality in Dynamical Systems(Promenade of Applied Mathematics (73))

Hidenori Kimura

Article type: Article
2013 Volume 23 Issue 2 Pages 83-86
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_83

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[title in Japanese]

Article type: Appendix
2013 Volume 23 Issue 2 Pages 87-89
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_87

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[title in Japanese]

Article type: Appendix
2013 Volume 23 Issue 2 Pages 89-90
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_89

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[title in Japanese]

Article type: Appendix
2013 Volume 23 Issue 2 Pages 90-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_90

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[title in Japanese]

Article type: Index
2013 Volume 23 Issue 2 Pages Toc2-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_Toc2

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[title in Japanese]

Article type: Appendix
2013 Volume 23 Issue 2 Pages 92-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_92

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[title in Japanese]

Article type: Appendix
2013 Volume 23 Issue 2 Pages 93-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_93

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[title in Japanese]

Article type: Appendix
2013 Volume 23 Issue 2 Pages 94-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_94

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[title in Japanese]

Article type: Appendix
2013 Volume 23 Issue 2 Pages 95-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_95

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[title in Japanese]

Article type: Appendix
2013 Volume 23 Issue 2 Pages 96-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_96

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[title in Japanese]

Article type: Appendix
2013 Volume 23 Issue 2 Pages App1-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_App1

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[title in Japanese]

Article type: Cover
2013 Volume 23 Issue 2 Pages Cover2-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_Cover2

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[title in Japanese]

Article type: Appendix
2013 Volume 23 Issue 2 Pages App2-
Published: June 25, 2013
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/bjsiam.23.2_App2

JOURNAL FREE ACCESS

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