OHSAWA Yoshiaki - on the web

口 頭 発 表

[1] T.Koshizuka and Y.Ohsawa(1985): Derivation of the probability density function of distance and its applications to urban facility planning. First International Symposium for Science Form, (Tsukuba, Japan).
[2] Y.Ohsawa and A.Suzuki(1987): Location-allocation problems of multi-person facilities. The 13th International Federation for Information Processing Conference on System Modelling and Optimization, (Tokyo, Japan).
[3] Y.Ohsawa, T.Koshizuka and O.Kurita(1991): Errors caused by aggregated data in public facility location problems. International Symposium on Environmental Change and GIS, (Asahikawa, Japan).
[4] Y.Ohsawa(1994): Map projection errors in the Weber model. The 7th Meeting of the European Operational Research, Working Group on Locational Analysis, (Brussels, Belgium).
[5] Y.Ohsawa(1995): Tax competition between governments. The 9th European Colloquium on Theoretical and Quantitative Geography, (Spa, Belgium).
[6] Y. Ohsawa(1995): Spatial competition models among local governments. 第9回応用地域学会研究発表大会, (東京).
[7] Y.Ohsawa(1996): Errors caused by map projection in the Weber model. The 5th World Congress of the Regional Science Association International, (Tokyo, Japan).
[8] Y.Ohsawa and T.Koshizuka(1997): Evaluation of some zone orderings in terms of the correlation coefficients of order differences and distances. The 10th European Colloquium on Theoretical and Quantitative Geography, (Rostock, Germany).
[9] Y.Ohsawa (1997): Commodity tax competition and harmonization among governments. 第11回応用地域学会研究発表大会, (東京).
[10] Y.Ohsawa (1997): Commodity tax competition and harmonization among governments. 平成9年度京都大学都市経済学ワークショップ,(京都)
[11] Y.Ohsawa(1998): Commodity tax competition and harmonization taking account of cross-border shopping. The 38th Congress of the European Regional Science Association, (Vienna, Austria).
[12] Y.Ohsawa (1998): A biobjective location model for an undesirable facility. 第12回応用地域学会研究発表大会, (大阪).
[13] Y.Ohsawa (1999): A spatial tax harmonization model. 平成10年度第28回筑波大学社会工学系ファカルティセミナー,(つくば)
[14] Y.Ohsawa(1999): Cross-border shopping and commodity tax harmonization. Groupement de Recherche en Economie Quantitative d'Aix-Marseille Seminar, University of Aix-Marseille, (Aix-en-Provence, France)
[15] Y.Ohsawa(1999): Cross-border shopping and commodity tax harmonization. Economic Policy Research Unit Seminar, University of Copenhagen, (Copenhagen, Denmark).
[16] Y.Ohsawa(1999): Cross-border shopping and tax competition. 第38回東北大学地域科学ワークショプ, (仙台).
[17] Y.Ohsawa(1999): A bicriteria location model for an undesirable facility. The 15th International Federation of Operational Research Societies, (Beijing, China).
[18] Y.Ohsawa and T.Koshizuka(1999): Two-dimensional tax competition. 第13回応用地域学会研究発表大会, (熊本).
[19] Y.Ohsawa(2000): A spatial tax harmonization model. Center for Operations Research and Econometric Seminar, Catholic University of Louvain, (Louvain-la-Neuve, Belgium).
[20] Y.Ohsawa(2000): Bicriteria Euclidean location model for undesirable facility. The 17th European Conference on Operational Research Societies, (Budapest, Hungary).
[21] Y.Ohsawa(2000): Voting model for transportation infrastructure construction. 第14回応用地域学会研究発表大会, (つくば).
[22] Y.Ohsawa(2000): Voting model for constructing transportation infrastructure. 平成12年度第39回筑波大学社会工学系ファカルティセミナー,(つくば)
[23] Y.Ohsawa(2000): Voting location model for highway construction. The 12th Meeting of the European Operational Research, Working Group on Locational Analysis, (Barcelona, Spain).
[24] Y.Ohsawa(2001): Voting model for constructing transportation infrastructure. 平成13年度京都大学都市経済学ワークショップ,(京都).
[25] Y.Ohsawa and T.Koshizuka(2001): Map projection errors in the Weber model. The 18th
European Conference on Operational Research Societies, (Rotterdam, Netherlands).
[26] Y.Ohsawa(2001): Highway construction under referendum and representative democracy. 第15回応用地域学会研究発表大会, (札幌).
[27] Y.Ohsawa(2001): Facility location, tax competition and voting on highway network. 平成13年度第29回筑波大学社会工学系ファカルティセミナー,(つくば)
[28] Y.Ohsawa(2002): Undesirable facility location model. The 16th International Federation of Operational Research Societies, (Edinburgh, United Kingdom).
[29] Y.Ohsawa and T.Koshizuka(2002): Two-dimensional tax competition. The 42nd Congress of the European Regional Science Association, (Dortmund, Germany).
[30] Y.Ohsawa(2002): Tax competition and harmonization. 名古屋地域科学セミナー, (名古屋).
[31] Y.Ohsawa(2002): Efficient location for a semi-obnoxious facility. 第16回応用地域学会研究発表大会, (岡山).
[32] Y.Ohsawa(2002): Tax competition and harmonization. Cellule de Recherche en Economie Appliquee, Centre Universitaire de Luxembourg, (Luxembourg, Luxembourg)
[33] Y.Ohsawa (2003): Spatial harmonization model. 建築システム最適化シンポジウム,(東京)
[34] Y.Ohsawa(2003): Tax competition and harmonization. 東京大学都市経済ワークショップ, (東京).
[35] Y.Ohsawa(2003): Voting model for constructing highway. The 13th European Colloquium on Theoretical and Quantitative Geography, (Lucca, Italy).
[36] Y.Ohsawa(2003): Tax competition and harmonization. 都市のOR・国際ワークショップ, (名古屋).
[37] Y.Ohsawa(2003): Tax competition and harmonization. Seminar for Economic Policy, University of Munich, (Munich, Germany).
[38] Y.Ohsawa(2004): Condorcet voting for highway provision and tolling. 名古屋地域科学セミナー, (名古屋).
[39] Y.Ohsawa(2004): Customer mobility and commodity tax competition. The 60th Congress of the International Institute of Public Finance, Bocconi University, (Milan, Italy).
[40] Y.Ohsawa(2004): Push-pull partial covering problems. International Symposium on Voronoi Diagrams in Science and Engineering, University of Tokyo, (Tokyo, Japan).
[41] Y.Ohsawa, F.Plastria and K.Tamura(2004): Push-pull partial covering problems. First International Symposium on Voronoi Diagrams in Science and Engineering, University of Tokyo,(Tokyo,Japan).
[42] Y.Ohsawa, N.Ozaki and F.Plastria(2005): Equity-efficiency bicriteria location models with squared Euclidean distances Condorcet voting for highway provision and tolling. 都市のORサマーセミナー, (名古屋).
[43] Y.Ohsawa, N.Ozaki and F.Plastria(2005): Equity Bicriteria Location Models Using Line Tessellation, Second International Symposium on Voronoi Diagrams in Science and Engineering, Hanyang University,(Seoul,Korea).
[44] 大澤義明(2005): ゴミ焼却場の立地,広域化,景観に関する理論的研究,鹿島学術振興財団第28回研究発表会,(東京).
[45] Y.Ohsawa, N.Ozaki and F.Plastria(2005): Equity-efficiency bicriteria location models with squared Euclidean distances. 第19回応用地域学会研究発表会, (浦安).
[46] 大澤義明(2006): 連続空間上の二目的最適配置モデル.政策研究大学院大学セミナー, (東京).
[47] Y.Ohsawa(2006): Condorcet voting for highway provision and tolling. China-Japan Joint Seminar on Applied Regional Science, (Shanghai, China).
[48] 大澤義明(2007): 立体角を用いた道路俯瞰景観に関する計量的研究. 日本デジタル道路地図協会平成19年度研究助成成果報告会,(東京).
[49] Y.Ohsawa(2007): Quadratic ordered median location models. The 22nd European Conference on Operational Research Societies, (Prague, Czech Republic).
[50] Y.Ohsawa(2007): Voting decision for providing highway. 都市のORサマーセミナー, (つくば).
[51] Y.Ohsawa(2007): Quadratic ordered median location problems. The 1st China-Japan Joint Seminar on Applied Regional Science, (Beijing, China).
[52] 大澤義明,矢萩雅広,小山雄資,小林隆史(2007): 市町村単独事業補助金の見直し−実態把握と政策導入要因の追求−. 都市のORウインターセミナー, (名古屋).
[53] Y.Ohsawa(2008): Spatial tax competition and harmonization model. ミクロ・ゲーム理論セミナー,(つくば).
[54] Y.Ohsawa(2008): Quadratic ordered median location problems. The 48th Congress of the European Regional Science Association, (Liverpool, United Kingdom ).
osawa@sk.tsukuba.ac.jp