限りない未来へはばたいてゆく、豊かな可能性を育んでほしい

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Thematic Networks : Structuring the Organization for Strategic Fit

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Multidimensional Networks : Creating a New Framework of Organization Structure for Complex Strategies

Firms today typically face and must coordinate multiple dimensions of competition. This paper extends the conventional notion of organization structure and recaptures it as an aggregation of differentiated networks specialized for multiple dimensions of strategic attention. Graph-theoretic languages commonly used for network representations are not sufficient to capture such aggregations. In this study, we develop an extension of directed graphs called modal graphs to represent and analyze the multidimensional complexity of organization structure. In modal graphs, elementary building blocks are coordination clauses, each of which is qualified by a strategic focus called a modality, a concept adapted from sentential modalities in modal logic. Individual networks of the firm's structure are then given by compositions of related coordination clauses. While modal graphs enable massively networked structures, it is still desirable to designate a dominant dimension as the conventional reporting hierarchy. We identify a class of modal graphs and develop soundness and completeness results for desirable reporting hierarchies with respect to this class. Namely, we construct a procedure and show that the procedure identifies only desirable reporting hierarchies (soundness) and all the desirable reporting hierarchies (completeness).departmental bulletin pape

An examination on the history and background of the foundational philosophy “Daigaku-enjō Hō’on-gyōji 大覚円成 報恩行持”: Based on the evolution of educational slogans at Sōji Academy

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Injection法で作出されたウシ体細胞クローン胚の移植試験

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Effects of Seasonal Changes on In Vitro Developmental Competence of Porcine Oocytes

application/pdfThe aim of this study was to investigate whether seasonal changes affected in vitro developmental competence of porcine oocytes. The relationship between atmospheric temperature and embryonic development of in vitro matured porcine oocytes following intracytoplasmic sperm injection was examined throughout the year. The blastocyst rate （31.1%) in winter （mean atmospheric temperature during December to February: -3.8 C) was significantly higher （P<0.05) than those of other seasons in 2008/2009 （19.7-23.5%; 6.3-17.5 C). The monthly mean blastocyst rates were negatively correlated with the temperatures （r=-0.5944, P<0.05). The results of the present study suggest that porcine embryos could be produced throughout the year, but the in vitro production efficiency was significantly affected by season, i.e., atmospheric temperatures. Furthermore, the results showed that winter is a favorable season for blastocyst production in the region of Obihiro, Hokkaido, Japan.journal articl

Effects of various nutrients and renewal of medium on in vitro development of bovine oocytes matured and fertilized in vitro

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単一合成培地を使用した個別培養法を用いた体外胚生産によるウシ卵胞内環境と卵母細胞の形態が及ぼす胚発生能への環境の解明

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In vitro maturation of bovine oocytes recovered from follicles of various sizes

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カード・ゲームの数理ノート;「神経衰弱」における戦略について

application/pdfSimple card games for children seem to have complicated and interesting aspects in constructing the optimal strategies. In this paper, we take up the concentration game played by two persons who have both perfect memory, and study two different (pure) strategies arising from a random selection of unknown cards. In particular, the mean value of the score of a player who has the move is analyzed by solving some difference equations.departmental bulletin pape