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著者 森田 眞盛|
発行日 1929-07-05
出版物タイトル 農学研究
13巻
資料タイプ 紀要論文
著者 藤本 隅太|
発行日 1929-07-05
出版物タイトル 農学研究
13巻
資料タイプ 紀要論文
著者 小野寺 伊勢之助|
発行日 1929-07-05
出版物タイトル 農学研究
13巻
資料タイプ 紀要論文
著者 小野寺 伊勢之助|
発行日 1929-07-05
出版物タイトル 農学研究
13巻
資料タイプ 紀要論文
著者 笠井 幹夫|
発行日 1929-07-05
出版物タイトル 農学研究
13巻
資料タイプ 紀要論文
著者 大杉 繁| 鹽谷 惣次|
発行日 1929-07-05
出版物タイトル 農学研究
13巻
資料タイプ 紀要論文
著者 板野 新夫|
発行日 1928-09-10
出版物タイトル 農学研究
12巻
資料タイプ 紀要論文
著者 松浦 章|
発行日 1928-09-10
出版物タイトル 農学研究
12巻
資料タイプ 紀要論文
著者 西門 義一| 松本 弘義| 菅原 一|
発行日 1928-09-10
出版物タイトル 農学研究
12巻
資料タイプ 紀要論文
著者 西門 義一| 松本 弘義| 菅原 一|
発行日 1928-09-10
出版物タイトル 農学研究
12巻
資料タイプ 紀要論文
著者 春川 忠吉|
発行日 1928-09-10
出版物タイトル 農学研究
12巻
資料タイプ 紀要論文
著者 荒川 左千代|
発行日 1928-09-10
出版物タイトル 農学研究
12巻
資料タイプ 紀要論文
著者 板野 新夫|
発行日 1928-09-10
出版物タイトル 農学研究
12巻
資料タイプ 紀要論文
JaLCDOI 10.18926/49322
フルテキストURL mfe_047_025_032.pdf
著者 Nekado, Kenta| Takai, Yusuke| Nogami, Yasuyuki|
抄録 Pairing–based cryptosystems are well implemented with Ate–type pairing over Barreto–Naehrig (BN) curve. Then, for instance, their securities depend on the difficulty of Discrete Logarithm Problem (DLP) on the so–denoted G3 over BN curve. This paper, in order to faster solve the DLP, first proposes to utilize Gauss period Normal Basis (GNB) for Pollard’s rho method, and then considers to accelerate the solving by an adoption of lazy random walk, namely tag tracing technique proposed by Cheon et al.
出版物タイトル Memoirs of the Faculty of Engineering, Okayama University
発行日 2013-01
47巻
開始ページ 25
終了ページ 32
ISSN 1349-6115
言語 英語
著作権者 Copyright © by the authors
論文のバージョン publisher
NAID 120005232374
JaLCDOI 10.18926/49321
フルテキストURL mfe_047_019_024.pdf
著者 Nogami, Yasuyuki| Sumo, Taichi|
抄録 Recent efficient pairings such as Ate pairing use two efficient rational point subgroups such that π(P) = P and π(Q) = [p]Q, where π, p, P, and Q are the Frobenius map for rational point, the characteristic of definition field, and torsion points for pairing, respectively. This relation accelerates not only pairing but also pairing–related operations such as scalar multiplications. It holds in the case that the embedding degree k divides r − 1, where r is the order of torsion rational points. Thus, such a case has been well studied. Alternatively, this paper focuses on the case that the degree divides r + 1 but does not divide r − 1. Then, this paper shows a multiplicative representation for r–torsion points based on the fact that the characteristic polynomial f(π) becomes irreducible over Fr for which π also plays a role of variable.
キーワード pairing–friendly curve torsion point group structure rank
出版物タイトル Memoirs of the Faculty of Engineering, Okayama University
発行日 2013-01
47巻
開始ページ 19
終了ページ 24
ISSN 1349-6115
言語 英語
著作権者 Copyright © by the authors
論文のバージョン publisher
NAID 120005232373
JaLCDOI 10.18926/49320
フルテキストURL mfe_047_001_018.pdf
著者 Kanatani, Kenichi|
抄録 We summarize techniques for optimal geometric estimation from noisy observations for computer vision applications. We first discuss the interpretation of optimality and point out that geometric estimation is different from the standard statistical estimation. We also describe our noise modeling and a theoretical accuracy limit called the KCR lower bound. Then, we formulate estimation techniques based on minimization of a given cost function: least squares (LS), maximum likelihood (ML), which includes reprojection error minimization as a special case, and Sampson error minimization. We describe bundle adjustment and the FNS scheme for numerically solving them and the hyperaccurate correction that improves the accuracy of ML. Next, we formulate estimation techniques not based on minimization of any cost function: iterative reweight, renormalization, and hyper-renormalization. Finally, we show numerical examples to demonstrate that hyper-renormalization has higher accuracy than ML, which has widely been regarded as the most accurate method of all. We conclude that hyper-renormalization is robust to noise and currently is the best method.
出版物タイトル Memoirs of the Faculty of Engineering, Okayama University
発行日 2013-01
47巻
開始ページ 1
終了ページ 18
ISSN 1349-6115
言語 英語
著作権者 Copyright © by the authors
論文のバージョン publisher
NAID 120005232372
著者 Faculty of Engineering, Okayama University|
発行日 2013-01
出版物タイトル Memoirs of the Faculty of Engineering, Okayama University
47巻
資料タイプ その他
JaLCDOI 10.18926/OER/49318
タイトル(別表記) J.H.Clapham, An Economic History of Modern Britain, vol.1, Book 2, The Early Rainway Age, 1820-1850(1st ed.,1926,2nd ed.with corrections,1939),Outline,Chap.9 Chap10,Chap.11
フルテキストURL oer_044_4_041_046.pdf
著者 一ノ瀬 篤|
出版物タイトル 岡山大学経済学会雑誌
発行日 2013-02-20
44巻
4号
開始ページ 41
終了ページ 46
ISSN 0386-3069
言語 日本語
著作権者 Copyright © 2013 岡山大学経済学会
論文のバージョン publisher
NAID 120005232371
JaLCDOI 10.18926/OER/49317
タイトル(別表記) Survey of Studies in Hindrance(Resistance) to Organizational Change: Focus on its Factor, Mechanism, Elimination. (the second half)
フルテキストURL oer_044_4_021_040.pdf
著者 松田 陽一|
抄録 Organizational change is important topics in organizational behavior. This paper aims to survey of studies in hindrance(resistance) to organizational change. Especially, we focus on its factor, mechanism, and elimination. And so, we suevey previous studies from viewpoint of ①macro organizational theory's arguments(Ma. O), ②micro organizational theory's arguments(Mi. O), ③social psychology theory's arguments(S. P), ④consultant's suggestion(C. S). This paper's important points are as follows: ①factor are various: organizational inertia, action, information' flow(Ma. O), loss, stress, trust, recognition, learning(Mi. O), resistance, worry, self-defense(S. P), failure and behavior(8 factors), restrictive functions in equilibrium(10 problems), barrier(C. S). ②Mechanism are various: organizational inertia, action(Ma. O), loss and compusion, recognition(schema, conflict), organizational culture change(Mi. O), driving force and resistance force, influence and balance(S. P). damage, crisis andadherence(C. S). ③Elimination: organizational inertia, adaptation and balance, restraint, adjustment(Ma. O), participation, reward system, vision(Mi. O), participation, job design, taking turns, persuasion(S. P), paticipation, commitment, many eliminated methods(C. S). Addtionaly, our problems are as follows; ①significance of discussion and ②promotion factor in organizational change. And ③rationality, ④measuring method, ⑤practicing to management in organizational change.
出版物タイトル 岡山大学経済学会雑誌
発行日 2013-02-20
44巻
4号
開始ページ 21
終了ページ 40
ISSN 0386-3069
言語 日本語
著作権者 Copyright © 2013 岡山大学経済学会
論文のバージョン publisher
NAID 120005232370
JaLCDOI 10.18926/OER/49316
タイトル(別表記) Canadian Manufacturers and Their Protectionist Movement in the Late Nineteenth Century
フルテキストURL oer_044_4_001_020.pdf
著者 福士 純|
抄録 This paper considers the development of Canadian manufacturing interests and manufacturers' protectionist movement in the late nineteenth century. As a case, it analyses manufacturers' views and activities in connection with the implementations of the Cayley Tariff of 1858, the Galt Tariff of 1859, and the National Policy tariff of 1879. Not until the late 1850s did the protectionist movement start in Canada. This movement was led by Isaac Buchanan, who maintained that Canada should avoid importing industrial goods and instead develop its own manufacturing industry through protective tariffs. In advancing this argument, he proposed that Canada strive to become a 'manufacturing colony' within the British Empire; he also established the Association for the Promotion of Canadian Industry (APCI). In April 1858, APCI held a meeting and submitted a petition for its protective tariff plan to William Cayley, Inspector General of the United Provinces of Canada. The proposed Cayley Tariff and Galt Tariff had two-tier structures, comprising lower tariffs for raw materials and higher tariffs for finished products. These proposed tariffs included protectionist factors that were also supported by APCI. It was after the Great Depression of 1873 that protectionism was raised again. Under the Depression, manufacturers' opinions became clearly divided between protectionism and reciprocity with the United States. In order to overcome the disagreement, members of the Executive Committee of the Manufacturers' Association of Ontario (MAO), the successor organisation to APCI, linked protectionism with nationalism and regarded the reciprocity as unpatriotic. This contributed to the unification of Canadian producers against the United States. MAO started to support the Conservative party after it added the implementation of protective tariffs to its platform in the late 1870s. W. H. Frazer, the secretary of MAO, established the Dominion National League (DNL), a support organisation for the Conservative that was funded by MAO. The Conservative won in the 1878 general election through the supports of MAO and DNL, and implemented protective tariffs that were known as the 'National Policy'. In conclusion, Canadian manufacturers emphasised protecting the national economy against the United States through higher tariffs in the late nineteenth century. On the other hand, they did not intend to separate from the British Empire but rather fortify its economic development within it.
出版物タイトル 岡山大学経済学会雑誌
発行日 2013-02-20
44巻
4号
開始ページ 1
終了ページ 20
ISSN 0386-3069
言語 日本語
著作権者 Copyright © 2013 岡山大学経済学会
論文のバージョン publisher
NAID 120005232369