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Yuji Nagashima, Kenta Fujimoto, Masahiko Okai, Yoichiro Kitani, Aya Yoshinaga-Kiriake and Shoichiro Ishizaki
Tetrodotoxin (TTX)-binding proteins are present in toxic TTX-bearing animals, such as pufferfish and gastropods. These may prevent autotoxicity. However, TTX-binding proteins are also found in the nontoxic marine shore crab, Hemigrapsus sanguineus. Here,...
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Takeshi Kojima and Tetsuya Yoshinaga
Recently, an extended family of power-divergence measures with two parameters was proposed together with an iterative reconstruction algorithm based on minimization of the divergence measure as an objective function of the reconstructed images for comput...
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F. Henrique Castro,William Eid Junior,Verônica F. Santana,Claudia E. Yoshinaga
Pág. 47 - 65
We summarize the fifty-year history (1968-2017) of the Ibovespa, a gross total return index that comprises the most liquid stocks traded on the São Paulo Stock Exchange in Brazil. We provide contextual material on the Brazilian economy during this 50-yea...
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Bruno Ferman,Maurício Silveira Lersch,Claudia Emiko Yoshinaga
Pág. 7 - 24
This article analyzes the portfolio allocation of investors in their employer's shares in order to verify whether it exists a version of home bias. Our sample comprises investors of a Brazilian broker. The proportion of allocation on the shares of their ...
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Mariana Aparecida Calabrez Oreng,William Eid Junior,Claudia Emiko Yoshinaga
Pág. 314 - 325
This study investigates whether managers of Fixed Income Brazilian funds exhibit market-timing abilities and what are the main components driving a fund?s return. Measuring timing ability of Fixed Income funds? managers has a lot to do with their ability...
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Yoshinaga Ishibashi, Hideki Ohno, Shuji Oh-ishi, Takeshi Matsuoka, Takako Kizaki and Kunio Yoshizumi
The behavior of Japanese cedar (Cryptomeria japonica) and Japanese cypress (Chamaecyparis obtusa) pollens in an urban area was examined through the measurements of the dispersion characteristics at the various sampling locations in both outdoor and indoo...
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