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      • SCOPUSKCI등재

        LIOUVILLE THEOREMS FOR THE MULTIDIMENSIONAL FRACTIONAL BESSEL OPERATORS

        Galli, Vanesa,Molina, Sandra,Quintero, Alejandro Korean Mathematical Society 2022 대한수학회논문집 Vol.37 No.4

        In this paper, we establish Liouville type theorems for the fractional powers of multidimensional Bessel operators extending the results given in [6]. In order to do this, we consider the distributional point of view of fractional Bessel operators studied in [12].

      • SCISCIESCOPUS
      • KCI등재

        Beyond frontiers: Ancient Rome and the Eurasian trade networks

        Marco Galli 한양대학교 아태지역연구센터 2017 Journal of Eurasian Studies Vol.8 No.1

        During the second half of the 19th century, the Roman Empire was already considered one of the key players inside the Eurasian networks. This research focuses on four relevant points. From a historiographical perspective, the reconstruction of the trading routes represented a central theme in the history of the relationship between the Roman Empire and the Far East. Imagining a plurality of itineraries and combinations of overland and sea routes, it is possible to reconstruct a complex reality in which the Eurasian networks during the Early Roman Empire developed. As far as economics is concerned, new documentation demonstrates the wide range and the extraordinary impact of the Eastern products on Roman markets. A final focus on the process of Chinese silk unravelling and reweaving provides an important clue on how complex and absolutely not mono-directional were the interactions and the exchanges in the Eurasian networks during the first centuries of the Roman Empire.

      • SSCISCOPUSKCI등재

        Ideals and Practicality: The Reorientation of US Foreign Policy

        ( Paul E Gallis ) 한국국방연구원 1991 The Korean Journal of Defense Analysis Vol.3 No.2

        The declining Soviet threat is leading to a reformulation of US foreign policy. During the Cold War, US foreign policy was Euro- centric, and NATO was the centerpiece of US security. The Soviet Union presented a clear threat to the United States. Ideology and ideals played a major role in the US-Soviet competition. US leaders could describe the threat as one poised to undermine democracy and a free market system, and by doing so could often strengthen domestic and allied support for US policy. In the wake of Soviet retrenchment in Eastern Europe and US- Soviet cooperation in several areas of the world, US foreign policy is slowly moving towards a new course. Ideology will play a dimin-ished role in Was) ington`s effort to gain the support of American citizens and of other nations for US policy. During the 199Os, NATO will likely wane in importance to US security interests, in part because of the decline of the Soviet threat, in part because the European allies will increasingly seek to express their interest through other institutions, such as the European Com- munity or the Conference on Security and Cooperation in Europe. The united Germany will play an important role in shaping European opinion and policy towards the United States. US influence over NATO and with the EC nations will likely diminish, with attendant differences more sharply evident between the United States and its European allies over security interests outside the European theater and over global trade. US foreign policy may reflect more practical concerns in the 1990s. Foreign assistance to such nations as Greece and Israel has been tied closely to the effort to counter Soviet power and influence in the world. Such a rationale for foreign assistance has now been weakened. The Persian Gulf War demonstrated the need to seek support from a broader range of nations and multilateral institutions in order to protect US interests abroad. The implication inherent in this turn in policy is that the United States will loosen its ties to a number of traditional friends and allies and seek to strengthen bonds with nations and regions more able to contribute to US interests in the post-Cold War period.

      • KCI등재

        日本語学習の意義と課題

        トム·ガリー(Tom Gally) 韓國外國語大學校 外國學綜合硏究센터 日本硏究所 2011 日本硏究 Vol.50 No.-

        第2言語として日本語を学習する人は漢字圏出身と非漢字圏出身という2つのグループに大きく分けることができる。韓国、中国、台湾など、漢字圏出身の学習者は既に漢字や漢語を知っているので、日本語の学習でも比較的に速く進むのに対して、欧米など、非漢字圏出身者はある程度日本語を話せるようになっても読み書き能力をじゅうぶん習得しないことが多い。この論文では、その例外の4人を紹介する。まず、米国出身のジェームズ·カーティス·ヘプバーン(James Curtis Hepburn)は1859年に、44歳で来日したにもかかわらず日本語を高いレベルまで学習できて最初の本格的和英辞書も編纂した。そして、第2次世界大戦中の米国では、「敵語」となっていた日本語の勉強に成功したエドワード·サイデンステッカー(Edward Seidensticker)とドナルド·キーン(Donald Keene)は戦後、日本文学の英訳と研究で偉大な業績を残した。最後に、オーストラリア人のジム·ブリーン (Jim Breen) は、新しい形式のオンライン和英辞書の考案で日本語の学習をデジタル時代に導いた。この4人の共通点は、それぞれの特殊な背景や動機で日本語の学習に成功して英語圏での日本理解に貢献できたということである。

      • 성도의 삶은 '맹목적인 따라하기 게임'이 아니다

        마크 갈리 두란노 2005 목회와 신학 Vol.- No.191

        이것이 내가 말하고 싶은 부분이다. 아마 예수님께서 절대로 제자들에게 맹목적으로 자신을 따라하라고 하지 않으셨을 것이다. 주님께서 말씀하신 모든 것은 ‘나를 따르라’였다. 바울은 그의 독자들을 더 깊은 제자도로 부르기 위해 종종 ‘본받음’이라는 개념을 사용했다(고전4:16, 11:1, 살전1:6). 그러나 본문은 항상 우리 삶의 전반을 지배하는 그리스도인의 원칙에 따라 살 것을 말씀하고 있지, 바울이나 예수님께서 하신 일들을 맹목적으로 베낄 것을 말씀하고 있지 않다.

      • 잘못된 동기를 가진 영성을 경계하라

        유진 피터슨,마크갈리 두란노 2005 목회와 신학 Vol.- No.193

        우리가 복음을 세상 가치 차원에서 선전한다면, 사람들을 속이는 것입니다. 왜냐하면 복음은 새로운 삶이기 때문이지요. 그것은 예수님을 좇는 일과 관련됩니다. 십자가, 죽음, 기꺼운 희생. 자신의 삶을 내어놓는 것이지요. 믿음을 이익의 관점에서 선전하기 시작하면, 우리는 단지 자아를 확대시키는 문제를 낳게 됩니다. 그러나 믿음은 자아 이상의 것이죠. 오히려 사람들로 하여금 스스로에게 싫증을 느껴서 그리스도를 바라보도록 해야 할 것입니다. 사람들은 하나님이 진지하게 얘기되고, 자신들이 사심 없이 받아들여지고, 그들의 감정 및 소비자로서의 필요들이 교묘히 이용되지 않는 어떤 장소를 원합니다. 오늘날 광고 지향적인 사고가 교회를 망치고 있습니다.

      • Role of Point Defects in Enhancing the Conductivity of BiVO<sub>4</sub>

        Seo, Hosung,Ping, Yuan,Galli, Giulia American Chemical Society 2018 Chemistry of materials Vol.30 No.21

        <P>Bismuth vanadate is a promising photoanode for solar-to-fuel photocatalytic applications, and it has been extensively studied in recent years. However, the microscopic mechanism underlying the observed changes in electronic conductivity due to oxygen vacancies and nitrogen dopants remains unclear. Here, we combine electronic structure calculations at the hybrid density functional theory (DFT) level with constrained DFT, and we elucidate the role of defects in enhancing the transport properties of the material. We show that at low temperature, oxygen vacancies give rise to deep levels within the fundamental gap of BVO; however even as deep levels, oxygen vacancies can act as effective <I>n</I>-dopants and polaronic charge carriers, due to their favorable position in energy relative to polarons in the pristine bulk. In addition, we show that N atoms can be easily introduced in <I>n</I>-doped BiVO<SUB>4</SUB> and that the presence of substitutional nitrogen affects the formation energy of polarons, effectively contributing to an increase of the carrier mobility in the material. Our results reconcile apparently conflicting experiments and they may be generalized to other transition metal oxides, thus providing a foundation for polaronic defect engineering in photoanodes for water photocatalysis.</P> [FIG OMISSION]</BR>

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