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第 28 回

第 28 回. 北大MMCセミナー. Date: 2014 年 10 月 3 日 (金 ) 14:30 ~ 16:00 ※ 通常と開始時間が異なります Speaker : Norbert Pozar ( 金沢大学理工研究域) Place : 電子科 学研究所 中央キャンパス総合研究棟 2 号館 5F 北側講義室(北 12 条西 7 丁目 ) Title : Homogenization of a Hele -Shaw-type problem in periodic spatiotemporal media.

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第 28 回

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  1. 第28回 北大MMCセミナー Date:2014年10月3日(金)14:30~16:00 ※通常と開始時間が異なります Speaker: Norbert Pozar (金沢大学理工研究域) Place: 電子科学研究所 中央キャンパス総合研究棟2号館 5F北側講義室(北12条西7丁目) Title: Homogenization of a Hele-Shaw-type problem in periodic spatiotemporal media Abstract: This talk concerns the homogenization limit of the Hele-Shaw problem in an inhomogeneous medium. The main new feature of this generalization of the well-known free boundary problem is the periodic dependence of the coefficient in the free boundary velocity law on time as well as on position. I will show that in the homogenization limit its solutions converge to the unique solution of a homogeneous Hele-Shaw-type problem with an anisotropic free boundary velocity law. Furthermore, the free boundaries converge with respect to the Hausdorff distance. The presented approach relies on the comparison principle structure of the Hele-Shaw problem and exploits the techniques of the theory of viscosity solutions. 連絡先: 北海道大学 電子科学研究所           動的数理モデリング研究室      長山 雅晴  内線 3357 nagayama@es.hokudai.ac.jp 主催: 電子科学研究所 動的数理モデリング研究室 共催: 北海道大学数学連携研究センター        

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