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On Hardy's Theorem on SU(1,1)

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Chinese Annals of mathematics,Series B 2007年第4期28卷 429-440页

作者： Takeshi KAWAZOE Jianming LIU Denartment of mathematics Keio University at Fujisawa Endo FujisawaKanagawa 252-8520Japan Laboratory of mathematics and Applied mathematics School of Mathematical Sciences Peking UniversityBeiJing 100871China

The classical Hardy theorem asserts that f and its Fourier transform f can not both be very rapidly decreasing. This theorem was generalized on Lie groups and also for the Fourier-Jacobi transform. However, on SU（1, 1） there are infinitely many “good” functions in the sense that f and its spherical Fourier transform y both have good decay. In this paper, we shall characterize such functions on SU（1, 1）.

关键词： Heat kernel Jacobi transform Plancherel formula

H^1-Estimates of the Littlewood-Paley and Lusin Functions for Jacobi Analysis Ⅱ

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Analysis in Theory and Applications 2016年第1期32卷 38-51页

作者： Takeshi Kawazoe department of mathematics Keio University at SFC Endo Fujisawa Kanagawa252-8520 Japan

Abstract. Let （R＋,＊,A） be the Jacobi hypergroup. We introduce analogues of the Littlewood-Paley g function and the Lusin area function for the Jacobi hypergroup and consider their （H^1, L^1 ） boundedness. Although the g operator for （R＋,＊,A） possesses better property than the classical g operator, the Lusin area operator has an obstacle arisen from a second convolution. Hence, in order to obtain the （H^1,L^1） estimate for the Lusin area operator, a slight modification in its form is required.

关键词： Jacobi analysis Jacobi hypergroup g function area function real Hardy space.

Forecast future disasters using hydro-meteorological datasets in the Yamuna river basin,Western Himalaya:Using Markov Chain and LSTM approaches

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Artificial Intelligence in Geosciences 2024年第1期5卷 114-136页

作者： Pankaj Chauhan Muhammed Ernur Akiner Rajib Shaw Kalachand Sain Wadia Institute of Himalayan Geology DehradunUttarakhand248001India Graduate School of Media and Governance Keio University5322 EndoFujisawa 252-0882KanagawaJapan Akdeniz university Vocational School of Technical SciencesDepartment of Environmental Protection TechnologiesAntalyaTurkey

This research aim to evaluate hydro-meteorological data from the Yamuna River Basin,Uttarakhand,India,utilizing Extreme Value Distribution of Frequency Analysis and the Markov Chain *** method assesses persistence and allows for combinatorial probability estimations such as initial and transitional *** hydrologic data was generated(in-situ)and received from Uttarakhand Jal Vidut Nigam Limited(UJVNL),and meteorological data was acquired from NASA’s archives MERRA-2 product.A total of sixteen years(2005-2020)of data was used to foresee daily Precipitation from 2020 to ***-2 products are utilized as observed and forecast values for daily Precipitation throughout the monsoon season,which runs from July to *** Chain and Long Short-Term Memory(LSTM)findings for 2020,2021,and 2022 were observed,and anticipated values for daily rainfall during the monsoon season between July and *** to test findings,the artificial intelligence technique cannot anticipate future regional meteorological formations;the correlation coefficient R^(2) is around *** to the randomly verified precipitation data findings,the Markov Chain model has a success rate of 79.17 *** results suggest that extended return periods should be a warning sign for drought and flood risk in the Himalayan *** study gives a better knowledge of the water budget,climate change variability,and impact of global warming,ultimately leading to improved water resource management and better emergency planning to the establishment of the Early Warning System(EWS)for extreme occurrences such as cloudbursts,flash floods,landslides hazards in the complex Himalayan region.

关键词： Forecast disasters Western Himalaya Hydro-meteorological hazards LSTM Markov chain Yamuna river basin

Restauro-G:A Rapid Genome Re-Annotation System for Comparative Genomics

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Genomics, Proteomics & Bioinformatics 2007年第1期5卷 53-58页

作者： Satoshi Tamaki Kazuharu Arakawa Nobuaki Kono Masaru Tomita Institute for Advanced Biosciences Keio University Fujisawa 252-8520 Japan Department of Environ-mental Information Keio University Fujisawa 252-8520 Japan Institute for Advanced Biosciences Keio University Fujisawa 252-8520 Japan

of complete genome sequences submitted directly from sequencing projects are diverse in terms of annotation strategies and update frequencies. These inconsistencies make comparative studies difficult. To allow rapid data preparation of a large number of complete genomes, automation and speed are important for genome re-annotation. Here we introduce an open-source rapid genome re-annotation software system, Restauro-G, specialized for bacterial genomes. Restauro-G re-annotates a genome by similarity searches utilizing the BLASTLike Alignment Tool, referring to protein databases such as UniProt KB, NCBI nr, NCBI COGs, Pfam, and PSORTb. Re-annotation by Restauro-G achieved over 98% accuracy for most bacterial chromosomes in comparison with the original manually curated annotation of EMBL releases. Restauro-G was developed in the generic bioinformatics workbench G-language Genome Analysis Environment and is distributed at http：//***/ under the GNU General Public License.

关键词： bioinformatics software annotation G-language Genome Analysis Environment complete genomes

A Packet I/O Architecture for Shell Script-based Packet Processing

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China Communications 2014年第2期11卷 1-11页

作者： Yohei Kuga Takeshi Matsuya Hiroaki Hazeyama Kenjiro Cho Rodney Van Meter Osamu Nakamura The Graduate School of Media and Governance Keio University 5322 Endo Fujisawa 252-0882 Kanagawa Japan The Graduate School of Information Science Nara Institute of Science and Technology Takayama 8916-5 Nara Japan IIJ Research Lab Takebashi Yasuda Bldg 3F. 3-13 Kanda Nishikicho Chiyoda-ku Tokyo 1010054 Japan Faculty of Environment and Information Studies Keio University 5322 Endo Fujisawa 252-0882 Kanagawa Japan

We propose a new scripting model for rapid and easier development of packet processing using shell scripts. In this paper we present EtherPIPE, a character network I/O device, that allows the programmer to access network traffic data as a file through UNIX commands. By setting a UNIX pipe ＂r＇ from or to EtherP1PE＇s output or input with UNIX commands, packets can be easily processed, executing functions such as packet filtering, packet capturing, generating arbitrary packets, and rewriting header information. In order to prove the utilities of our model, we have developed FPGA-based EtherPIPE adapter using a commodity FPGA card and a character device driver featuring new offloading functions. With our prototype implementation, packet scripting works at 1Gbps wire-speed, receiving packets with precise hardware timestamps. This paper argues for use cases of the EtherPIPE, and discusses enhanced formats of character devices for easier network scripting.）

关键词： network I/O Ethernet Shellscript Software-Defined Networking devicedriver network adapter

Climate Change, Water Scarcity, and Health Adaptation in Southwestern Coastal Bangladesh

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International Journal of Disaster Risk Science 2019年第1期10卷 28-42页

作者： Md.Anwarul Abedin Andrew E.Collins Umma Habiba Rajib Shaw department of Soil Science Bangladesh Agricultural University department of Geography and Environmental Sciences/Disaster and Development Network (DDN) Northumbria University department of Agricultural Extension Ministry of Agriculture Graduate School of Media and Governance Keio UniversityShonan Fujisawa Campus (SFC)

Climate change may affect human health through multiple and interactive pathways that include safe water scarcity. However, impacts of climate change-induced water scarcity on health and well-being are *** 80% of illnesses in developing countries are attributed to unsafe drinking water and waterborne diseases. In Southwestern Bangladesh, lack of safe drinking water is a severe crisis due to climate change. The study investigated the impacts of climate change on water resources and human health in a coastal area. A questionnaire survey was carried out in two villages of Shymnagar upazila on the southwestern coast to investigate the present status of safe water sources and health care facilities and their impacts on the local community. The results show that the local community believes that climate change is having substantial impacts on freshwater sources and health. More than 70% of the respondents identified diarrhea, dysentery,and skin diseases as the prime waterborne health risks that occur through climate-related safe water scarcity. By synthesizing the ground data, we suggest pathways to health adaptation to climate change effects and safe water scarcitythrough locally available adaptive practices such as the use of pond sand filters, rainwater harvesting, and importing potable water with the active participation of the government,nongovernmental organizations, and communities.

关键词： Climate change Health risks Safe water scarcity Southwestern Bangladesh Waterborne diseases

Semaphorin 3A controls allergic and inflammatory responses in experimental allergic conjunctivitis

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International Journal of Ophthalmology(English edition) 2015年第1期8卷 1-10页

作者： Junmi Tanaka Hideo Tanaka Nobuhisa Mizuki Eiichi Nomura Norihiko Ito Naoko Nomura Masayuki Yamane Tomonobu Hida Yoshio Goshima Hiroshi Hatano Hisashi Nakagawa department of Ophthalmology and Visual Science Graduate School of MedicineYokohama City University department of Ophthalmology Graduate School of MedicineUniversity of Tokyo department of Obstetrics and Gynecology School of MedicineKeio University department of Environmental Immuno-Dermatology Graduate School of MedicineYokohama City University Hatano Eye Clinic 438-1 FujisawaFujisawa Kanagawaken 251-0052Japan Tokushima Eye Clinic 1-2-14 Fujimi-choHigashimurayamaTokyo 189-0024Japan

AIM: To assess the efficacy of topical Semaphorin 3A(SEMA3A) in the treatment of allergic ***: Experimental allergic conjunctivitis(EAC)mice model induced by short ragweed pollen(SRW) in 4-week-old of BALB/c mice, mice were evaluated using haematoxylin and eosin(H&E) staining, immunofluor-escence and light microscope photographs. Early phase took the samples in 24 h after instillation and late phase took the samples between 4 to 14 d after the start of treatment. The study use of topical SEMA3A(10 U, 100 U,1000 U) eye drops and subconjunctival injection of SEMA3 A with same concentration. For comparison, five types of allergy eyedrops were quantified using clinical characteristics.· RESULTS: Clinical score of composite ocular symptoms of the mice treated with SEMA3 A were significantly decreased both in the immediate phase and the late phase compared to those treated with commercial ophthalmic formulations and non-treatment mice. SEMA3 A treatment attenuates infiltration of eosinophils entering into conjunctiva in EAC mice. The score of eosinophil infiltration in the conjunctiva of SEMA3 A 1000 U-treated group were significantly lower than low-concentration of SEMA3 A treated groups and non-treated group. SEMA3 A treatment also suppressed T-cell proliferation in vitro and decreased serum total Ig E levels in EAC mice. Moreover, treatment of SEMA3 A suppressed Th2-related cytokines(IL-5, IL-13 and IL-4)and pro-inflammatory cytokines(IFN-γ, IL-17 and TNF-α)release, but increased regulatory cytokine IL-10 concentration in the conjunctiva of EAC ***: SEMA3 A as a biological agent, showed the beneficial activity in ocular allergic processes with the less damage to the intraocular tissue. It is expected that SEMA3 A may be contributed in patients with a more severe spectrum of refractory ocular allergic diseases including allergic conjunctivitis in the near future.

关键词： Semaphorin 3A experimental allergic conjunctivitis eosinophil infiltration serum total Ig E cytokines instillation subconjunctival administration

A Study on Cyclone Aila Recovery in Koyra, Bangladesh:Evaluating the Inclusiveness of Recovery with Respect to Predisaster Vulnerability Reduction

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International Journal of Disaster Risk Science 2018年第1期9卷 28-43页

作者： Md.Shibly Sadik Hajime Nakagawa Rezaur Rahman Rajib Shaw Kenji Kawaike Kumiko Fujita department of Civil and Earth Resources Engineering Kyoto University Center for Environmental and Geographic Information Services (CEGIS) Disaster Prevention Research Institute (DPRI) Kyoto University Institute of Water and Flood Management Bangladesh University of Engineering and Technology Graduate School of Media and Governance Shonan Fujisawa Campus (SFC) Keio University

The need to consider disaster risk reduction at the time of recovery is well-recognized. Viable disaster risk reduction measures should resolve the root causes of predisaster vulnerabilities. Accordingly, we investigated the recovery from the impact of Cyclone Aila in Koyra Upazila, Bangladesh, which was severely damaged by this2009 cyclone. Our research focused on understanding preAila vulnerabilities to cyclone impact and examined the degree of inclusion of vulnerability reduction measures within the recovery process. A composite methodology that included an institutional survey, key informant interviews,collection of the judgment of experts, focus group discussions, and a score-based quantification technique was adopted. Through a process of understanding pre-Aila vulnerabilities, recognition of the root causes of these inherent weaknesses, and identification of appropriate measures for pre-Aila vulnerability reduction, a set of 23 indicators were selected to represent the most desirable vulnerability reduction measures to implement duringrecovery. A score-based technique was applied to measure the degree of inclusion of vulnerability reduction within the recovery with respect to the indicators. The scoring result shows that the degree of inclusion of vulnerability reduction within the recovery was poor. The result specifies that among the 23 indicators of potential vulnerability reduction measures, 10 are completely missing and the rest are only partially included. The overall findings imply that the Koyra community continues to live with a vulnerability similar to that of the pre-Aila period.

关键词： Bangladesh Cyclone Aila Diagnostic analysis Disaster risk reduction Post-disaster reconstruction

New Realization of Disaster Risk Reduction Education in the Context of a Global Pandemic: Lessons from Japan

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International Journal of Disaster Risk Science 2021年第4期12卷 568-580页

作者： Rajib Shaw Aiko Sakurai Yukihiko Oikawa Graduate School of Media and Governance Keio UniversityFujisawa252-0882Japan department of Social Sciences Toyo Eiwa UniversityYokohama226-0015Japan International Research Institute of Disaster Science Tohoku UniversitySendai980-0845Japan Center for Ocean Literacy and Education University of TokyoTokyo113-0032Japan

The global COVID-19 pandemic has challenged different development sectors,including *** this article,two main analyses are provided:one on the biological hazards of the pandemic in the context of the Sendai Framework for Disaster Risk Reduction 2015−2030,which analyzes the overall impacts on the education *** we discuss the overall impact on education sectors,with specific focus on disaster risk reduction(DRR)education and education for sustainable development(ESD).Disaster risk reduction education and ESD are analyzed from the perspective of school-community-family *** case analysis of COVID-19 response in the education sector is presented from Omuta City,Japan,which is considered as a champion city for *** phases of response in Omuta City are characterized with three specific foci:(1)mitigating covid impacts on educational program and participants;(2)preventing exacerbation of covid transmission within and outside schools;and(3)maintaining educational program integrity despite *** lessons are summarized in the concluding section,which explore the importance of(1)educational governance(on critical decision making)during the pandemic as well as with cascading risks;(2)enhancement of school-community-family linkages as pandemic response commonalities between ESD and DRR education;(3)risk communication and citizen behavior;and(4)use of *** argue that integration of health and DRR education is important,that resilience needs to be redefined in terms of sustainable development goals(SDGs),and that education plays a vital role in achieving these ends.

关键词： Citizen behavior Disaster risk reduction education Education for sustainable development Global COVID-19 pandemic Japan School-community-family linkage