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Gerald Trutnau Associate Professor Department of Mathematical Sciences Seoul National University 599 Gwanak-Ro, Gwanak-Gu Seoul 151-747 South Korea Office: Bldg 25 Room 124 Tel.: +82 2 880 2629 Fax.: +82 2 887 4694 εmαιl: trutnau (α) snu dθt ac dθt kr |
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