Department of Mathematics, Faculty of Science and Technology, Keio University, Yokohama, Japan - Articles

When Should We Start the Lockdown and How Long Should It Be? (Articles)

Yasunori Fujita

Modern Economy Vol.11 No.5, May 9, 2020

DOI: 10.4236/me.2020.115075 544 Downloads 1,823 Views Citations
How Much Should Government Compensate Firms for Suspension of Their Businesses in Order to Fight off the New Coronavirus? (Articles)

Yasunori Fujita

Theoretical Economics Letters Vol.10 No.3, June 22, 2020

DOI: 10.4236/tel.2020.103038 528 Downloads 1,388 Views Citations
How Could We Prevent Spread of the Coronavirus without Deteriorating Economy? (Articles)

Yasunori Fujita

Modern Economy Vol.11 No.7, July 15, 2020

DOI: 10.4236/me.2020.117091 640 Downloads 1,563 Views Citations
Public Debt Dynamics When r < g: Stability Is not Guaranteed (Articles)

Yasunori Fujita

Modern Economy Vol.17 No.2, February 12, 2026

DOI: 10.4236/me.2026.172016 42 Downloads 255 Views Citations
Least Squares Method from the View Point of Deep Learning (Articles)

Kazuyuki Fujii

Advances in Pure Mathematics Vol.8 No.5, May 29, 2018

DOI: 10.4236/apm.2018.85027 1,313 Downloads 5,474 Views Citations
Least Squares Method from the View Point of Deep Learning II: Generalization (Articles)

Kazuyuki Fujii

Advances in Pure Mathematics Vol.8 No.9, September 25, 2018

DOI: 10.4236/apm.2018.89048 976 Downloads 2,032 Views Citations
Synthesis and Spectroscopic Properties of Ferrocenyl Derivative Containing Donor and Acceptor Groups (Articles)

Makoto Minato, Chiharu Sorai, Takashi Ito, Masashi Kiguchi, Midori Kato

International Journal of Organic Chemistry Vol.7 No.3, September 7, 2017

DOI: 10.4236/ijoc.2017.73022 1,436 Downloads 3,347 Views Citations
Improvement of Open-Circuit Voltage in Organic Photovoltaic Cells with Chemically Modified Indium-Tin Oxide (Articles)

Khayankhyarvaa Sarangerel, Byambasuren Delgertsetseg, Namsrai Javkhlantugs, Masaru Sakomura, Chimed Ganzorig

World Journal of Nano Science and Engineering Vol.3 No.4, December 6, 2013

DOI: 10.4236/wjnse.2013.34016 4,580 Downloads 8,267 Views Citations
Partial Volume Effect on MR Elastography (Articles)

Daiki Ito, Tomokazu Numano, Kazuyuki Mizuhara, Toshikatsu Washio, Masaki Misawa, Naotaka Nitta

Open Journal of Medical Imaging Vol.7 No.4, September 30, 2017

DOI: 10.4236/ojmi.2017.74013 1,490 Downloads 3,179 Views Citations
In-Situ Monitoring of Chemical Vapor Deposition from Trichlorosilane Gas and Monomethylsilane Gas Using Langasite Crystal Microbalance (Articles)

Hitoshi Habuka, Yurie Tanaka

Journal of Surface Engineered Materials and Advanced Technology Vol.3 No.1A, February 28, 2013

DOI: 10.4236/jsemat.2013.31A009 7,396 Downloads 10,048 Views Citations
This article belongs to the Special Issue on Surface Coatings: Development and Applications
Molecular Adsorption and Desorption Behavior on Silicon Surface in a Complex Ambient Atmosphere Containing Vapors of Diethylphthalate, Acetic Acid and Water (Articles)

Hitoshi Habuka, Nobutaka Ono, Ayumi Sakurai, Tatsuhito Naito

American Journal of Analytical Chemistry Vol.4 No.7A, July 12, 2013

DOI: 10.4236/ajac.2013.47A011 4,800 Downloads 6,920 Views Citations
This article belongs to the Special Issue on Adsorption Science and Technology
Gigantic Nasal Fibroma: CT and MR Imaging Findings with Histopathological Correlation (Articles)

Ryutarou Ukisu, Yuichiro Kawahara, Norihiro Hashizume, Ryuichiro Fukuhara, Madoka Tonouchi, Hiroki Takenaka, Tamio Kushihashi

Open Journal of Medical Imaging Vol.3 No.3, September 23, 2013

DOI: 10.4236/ojmi.2013.33016 4,479 Downloads 7,132 Views Citations
Room Temperature and Reduced Pressure Chemical Vapor Deposition of Silicon Carbide on Various Materials Surface (Articles)

Hitoshi Habuka, Asumi Hirooka, Kohei Shioda, Masaki Tsuji

Advances in Chemical Engineering and Science Vol.4 No.4, September 17, 2014

DOI: 10.4236/aces.2014.44042 3,694 Downloads 5,261 Views Citations
Safe Hydroformylation of Aliphatic Alkene in a Flow Reactor (Articles)

Hisashi Masui, Eiki Honda, Sakura Niitsu, Mitsuru Shoji, Takashi Takahashi

International Journal of Organic Chemistry Vol.8 No.1, March 9, 2018

DOI: 10.4236/ijoc.2018.81009 1,540 Downloads 3,453 Views Citations
Selective Monoprotection of Symmetrical Diols in a Flow Reactor (Articles)

Hisashi Masui, Masaru Takizawa, Yuki Sakai, Yasuhiro Kajiwara, Kiyofumi Wanibuchi, Mitsuru Shoji, Takashi Takahashi

International Journal of Organic Chemistry Vol.8 No.2, June 22, 2018

DOI: 10.4236/ijoc.2018.82019 1,454 Downloads 3,838 Views Citations
Study of 41 Cases of Pregnancy after Uterine Leiomyoma Treatment by Uterine Artery Embolization (UAE) (Articles)

Takahisa Kojima, Hidefumi Fujisawa, Kumiko Koyama

Open Journal of Obstetrics and Gynecology Vol.8 No.13, October 30, 2018

DOI: 10.4236/ojog.2018.813127 1,119 Downloads 2,180 Views Citations
This article belongs to the Special Issue on Infections and Surgical Problems in Pregnancy
Synthesis and Molecular Structures of Two Novel π-Conjugation Extended Dithia[3.3]metacyclophanes (Articles)

Tetsuji Moriguchi, Daisuke Yakeya, Venkataprasad Jalli, Akihiko Tsuge, Kenji Yoza

Crystal Structure Theory and Applications Vol.6 No.1, February 17, 2017

DOI: 10.4236/csta.2017.61001 2,166 Downloads 3,300 Views Citations
MR imaging of cheek lesions of Kimura’s disease: Focusing on the signal abnormalities and the relationship with superficial musculoaponeurotic systems (Articles)

Ryutarou Ukisu, Yuichiro Kawahara, Norihiro Hashizume, Tamio Kushihashi, Yoshinori Yamada, Yoshiyuki Kadokura

Modern Research in Inflammation Vol.2 No.4, November 5, 2013

DOI: 10.4236/mri.2013.24009 6,506 Downloads 10,825 Views Citations
Optical Properties of Chiral Azo-Schiff Base Mn(II) and Zn(II) Complexes with Silver Nanoparticles (Articles)

Kazuya Saiga, Tomoyuki Haraguchi, Yasutaka Kitahama, Takuya Hosokai, Hiroyuki Matsuzaki, Dohyun Moon, Mutsumi Sugiyama, Michikazu Hara, Takashiro Akitsu

Journal of Materials Science and Chemical Engineering Vol.9 No.4, April 9, 2021

DOI: 10.4236/msce.2021.94001 540 Downloads 1,796 Views Citations
Clipping versus Coiling in Ruptured Aneurysms of the Anterior Cerebral Circulation (Articles)

Farrag Mohammad, Takashi Horiguchi, Katsuhiro Mizutani, Kazunari Yoshida

Open Journal of Modern Neurosurgery Vol.10 No.1, December 13, 2019

DOI: 10.4236/ojmn.2020.101010 980 Downloads 2,355 Views Citations

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