471 research outputs found
A computationally efficient approach for solving RBSC-based formulation of the subset selection problem
This study focuses on a specific type of subset selection
problem, which is constrained in terms of the rank bi-serial
correlation (RBSC) coefficient of the outputs. For solving such
problems, we propose an approach with several advantages such
as (i) providing a clear insight into the feasibility of the problem
with respect to the hyper-parameters, (ii) being non-iterative, (iii)
having a foreseeable running time, and (iv) with the potential
to yield non-deterministic (diverse) outputs. In particular, the
proposed approach is based on starting from a composition of
subsets with an extreme value of the RBSC coefficient (e.g. = 1)
and swapping certain elements of the subsets in order to adjust
into the desired range. The proposed method is superior to the
previously proposed RBSC-SubGen, which attempts to solve the
problem before confirming its feasibility, taking random steps,
and has unforeseeable running times and saturation issues
Dialektyka natury i społeczeństwa przeciwko monizmowi. Esej recenzyjny z „Marx in the Anthropocene” Kohei Saita (2023, Cambridge University Press)
The article discusses Kohei Saito’s work Marx in the Anthropocene, placing it against the broader background of the discussion of Marx’s ecological thought and explaining the basic assumptions of metabolic scratch theory. The main thread of the book on which the author focuses, however, is Saito’s critique of contemporary ecocritical monist conceptions (binding the orders of nature and culture into a unity). As she shows, Marx’s methodological dualism is better able to identify ways out of the ecological crisis.Artykuł omawia pracę Marx in the Anthropocene Kohei Saita, umieszczając ją na szerszym tle dyskusji nad ekologiczną myślą Marksa oraz wyjaśniając podstawowe założenia teorii rysy metabolicznej. Głównym wątkiem książki, na którym skupia się autorka, jest jednak przeprowadzona przez Saita krytyka współczesnych ekokrytycznych koncepcji monistycznych (wiążących w jedność porządek natury i kultury). Jak pokazuje, metodologiczny dualizm Marksa lepiej pozwala określić drogi wyjścia z ekologicznego kryzysu
Magnetogenesis from a rotating scalar: à la scalar chiral magnetic effect
© 2020, The Author(s). The chiral magnetic effect (CME) is a phenomenon in which an electric current is induced parallel to an external magnetic field in the presence of chiral asymmetry in a fermionic system. In this paper, we show that the electric current induced by the dynamics of a pseudo-scalar field which anomalously couples to electromagnetic fields can be interpreted as closely analogous to the CME. In particular, the velocity of the pseudo-scalar field, which is the phase of a complex scalar, indicates that the system carries a global U(1) number asymmetry as the source of the induced current. We demonstrate that an initial kick to the phase-field velocity and an anomalous coupling between the phase-field and gauge fields are naturally provided, in a set-up such as the Affleck-Dine mechanism. The resulting asymmetry carried by the Affleck-Dine field can give rise to instability in the (electro)magnetic field. Cosmological consequences of this mechanism are also investigated11Nsciescopu
Investigation of resection and coagulation times during transurethral resection of the prostate among operators determined using a time-measuring instrument
2005年3月-2006年2月までに前立腺肥大症の診断で経尿道的前立腺切除術(TUR-P)を受けた123例を対象に, 経験症例数の異なる術者間でTUR-Pでの切除, 凝固時間の占める割合を検討した。経験症例数約4000例の泌尿器科専門医をA医師, 経験症例数約100例の泌尿器科専門医をB医師, 経験症例数約50例の医師を出張医とし, 各々手術を行った57例, 60例, 6例について, 通電時間測定器を用いて, 切除および凝固の時間と回数を測定した。また切除重量と手術時間を測定し, 切除重量1gあたりの手術時間, 切除および凝固の時間と回数, 手術時間に占める切除・凝固時間の割合を計算した。3群間で比較の結果, 手術時間はA医師, B医師, 出張医の順に有意に長く, 手術時間に占める切除・凝固時間の割合は全体で30%であり, A医師が37%, B医師が27%, 出張医が21%で有意差が見られた。前立腺容積が40ml以下の症例のみを対象としても, A医師が34%, B医師が26%, 出張医が21%で有意差が見られた。経験症例の多い医師ほどTUR-Pの手術時間が短く, 手術時間に占める切除・凝固の割合が高かった。We investigated resection and coagulation times for 123 patients with lower urinary tract symptoms suggestive of benign prostatic hyperplasia who underwent transurethral resection of the prostate (TUR-P) and their differences among surgeons. The numbers of cases of TUR-P in this study were 57 for Doctor A (experienced about 4000 cases), 60 for Doctor B (experienced about 100 cases) and 6 for a visiting physician (experienced about 50 cases). We measured resection and coagulation times by turning on a time-measuring instrument that was made using commercially available parts. There were significant differences in entire operation time, and operation, resection and coagulation times per resected weight of the tissue among the 3 doctors (Doctor A < Doctor B < visiting physician, p < 0.0001, Kruskal-Wallis test). The percentage of total operation time accounted for by resection time and coagulation time in TUR-P was 37% for doctor A, whereas it was 27% for doctor B and that for the visiting physician was 21% (p < 0.0001, Kruskal-Wallis test). Thus, for doctors with more experience resection time and coagulation time accounted for higher percentages of total operation time. The measuring instrument is inexpensive and has the potential to be a useful tool for checking a surgeon's skill
Who Uses Free Trade Agreements?
It is noted that utilization of ASEAN Free Trade Agreements (FTAs) is low by international standards. In order to clarify the reasons for such low utilization, this paper investigates what kinds of Japanese affiliates in ASEAN are more likely to use FTAs in their exporting, by employing unique affiliate-level data. Our findings are as follows. First, the larger the affiliate is, or the more diversified the origins of its procurements, the more likely it is to utilize an FTA scheme in its exporting. Second, affiliates that export actively to countries with higher general tariffs are more likely to use FTAs. Third, there are clear differences in FTA utilization depending affiliates, locations and sectors.
Why Is Touch Sometimes So Touching?: The Phenomenology of Touch in Susan Streitfeld's <i>Female Perversions</i>
Translation and Nation: The Question of Identity in the American Renaissance
This dissertation investigates the significance of translation in the making of American national literature. Transition has played a central role in the formation of American linguistic, literary, cultural, and national identity. The authors of the American Renaissance were multilingual, involved in the cultural task of translation in many different ways. By the importance of translation has been little examined in American literary scholarship, the condition of which has been exclusively monolingual. This study makes clear the following points. First, translation served as an important agency in the building of American national language, literature, and culture. Second, the conception of translation as a means for domesticating foreign influences in antebellum American literary culture was itself a translation of a traditionally European idea of translation since the Renaissance, and more specifically, of the modern German concept of it. Third, despite its ethnocentric, nationalistic, and imperialistic tendency, translation sometimes complicated the identity-formation process. The American Renaissance writers worked in the complex international culture of translation in an age of world literature, a nationalist-cosmopolitan concept that Goethe promoted in the early nineteenth century. Those American authors��� texts often take part in and sometimes come up against the violence of translation, which obliterates the marks of otherness in foreign languages and cultures. To elucidate these points, this dissertation focuses mainly on the works of Ralph Waldo Emerson, Nathaniel Hawthorne, and Herman Melville, each of whom embodies some unique characteristics of the American theories and practices of literary and cultural translation in antebellum America
Development of Evaluation Method for Photochemical Reaction in Organic Single Crystals Using Birefringence
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