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GLOBALIZATION AND THE ASIAN FINANCIAL CRISIS
Dittmer, Lowell The Institute for Far Eastern Studies, Kyungnam Un 1999 ASIAN PERSPECTIVE Vol.23 No.4
The Asian financial crisis is one of the most serious currency crises to affect international markets since World War Ⅱ. It has serious implications for the Asian approach to economic and political modernization, and it illustrates some of the possible consequences of the process of "globalization." The purpose of this article is to analyze the reciprocal causal relationship between globalization and the Asian financial crisis. Thus we shall examine the crisis first as a dependent variable, or a possible effect, of globalization, among other possible causes; then we shall analyze the crisis as an independent variable, with an interest in understanding its impact on Asian political and economic affairs.
Growth of aligned MWNT arrays using a micrometer scale local-heater at low ambient temperature.
Dittmer, S,Ek-Weis, J,Nerushev, O A,Campbell, E E B American Scientific Publishers 2010 Journal of Nanoscience and Nanotechnology Vol.10 No.6
<P>Ambient room temperature growth of aligned multi-walled carbon nanotube arrays on micrometer scale local heaters is demonstrated. High growth rates of up to 8.8 microm per second have been achieved and the growth has been monitored in situ using optical microscopy. The growth starts and ends abruptly over the length of the local heater. The terminal length of the nanotubes shows a clear dependence on growth temperature and small inhomogeneities in temperature across the heater are seen to lead to interesting microstructure of the arrays. The activation energy for growth was seen to be consistent with earlier reports for acetylene growth of nanotubes on iron catalysts.</P>
Asian Alliances: Chinese and Japanese Experiences Compared
Lowell Dittmer 경남대학교 극동문제연구소 2014 ASIAN PERSPECTIVE Vol.38 No.1
In this article I view Asian alliances as a product of universal security needs and culturally constructed variables. While the alliance remains one of the fundamentals of contemporary international politics, I attempt to show through comparative analysis of theSino-Soviet alliance and the Japan-US security alliance how subtle differences of national developmental experience can significantly affect political outcomes in East Asia.
China and the Two Koreas: A Triangular Perspective
( Lowell Dittmer ) 국방대학교 안보문제연구소 2012 The Korean Journal of Security Affairs Vol.17 No.2
China`s relations with North and South Korea are a significant facet of the Korea problem.1) This article attempts to apply the logic of the “strategic triangle” to analyze these relationships. We find that although there was a relatively well-conceived attempt by South Korea to apply triangular logic to unlock the relationship, the DPRK`s sense of vulnerability and ideological rigidity has prevented it from acting in accord with triangular logic.
로웰디트머 ( Lowell Dittmer ) 한국정치평론학회 2013 정치와 평론 Vol.13 No.-
In terms of the number of people involved, the size of the country, and the protracted duration, the Chinese revolution was the greatest revolution in world history. As such, it of course had a major impact on all of East Asia. But that impact varied according to time and place. For purposes of analysis, the revolution can be divided chronologically into pre-Liberation and post-Liberation stages, and geographically we can distinguish the impact on China itself from the impact on other “colonial and semi-colonial areas” in East Asia. The spread of the revolution entered a third phase after the introduction of “reform and opening” policy in late 1978, at which point the PRC leadership began to disavow further efforts to “export revolution” and at least for the time being adopted a policy of building socialism in one country. Whether and in what form the impact of the revolutionary ideal will survive under these new circumstances remains as yet unclear.
Equivariant neural operators for gradient-consistent topology optimization
Erzmann David,Dittmer Sören 한국CDE학회 2024 Journal of computational design and engineering Vol.11 No.3
Most traditional methods for solving partial differential equations (PDEs) require the costly solving of large linear systems. Neural operators (NOs) offer remarkable speed-ups over classical numerical PDE solvers. Here, we conduct the first exploration and comparison of NOs for three-dimensional topology optimization. Specifically, we propose replacing the PDE solver within the popular Solid Isotropic Material with Penalization (SIMP) algorithm, which is its main computational bottleneck. For this, the NO not only needs to solve the PDE with sufficient accuracy but also has the additional challenge of providing accurate gradients which are necessary for SIMP’s density updates. To realize this, we do three things: (i) We introduce a novel loss term to promote gradient-consistency. (ii) We guarantee equivariance in our NOs to increase the physical correctness of predictions. (iii) We introduce a novel NO architecture called U-Net Fourier neural operator (U-Net FNO), which combines the multi-resolution properties of U-Nets with the Fourier neural operator (FNO)’s focus on local features in frequency space. In our experiments we demonstrate that the inclusion of the novel gradient loss term is necessary to obtain good results. Furthermore, enforcing group equivariance greatly improves the quality of predictions, especially on small training datasets. Finally, we show that in our experiments the U-Net FNO outperforms both a standard U-Net, as well as other FNO methods.