講演会

過去の記録 ~04/12次回の予定今後の予定 04/13~


2009年02月04日(水)

16:00-17:30   数理科学研究科棟(駒場) 002号室
GCOE 特別講演会
Bendong LOU (婁 本東) 氏 (同済大学)
Traveling waves of a curvature flow in almost periodic media
[ 講演概要 ]
In a plane media with almost periodic vertical striations, we study a curvature flow and construct two kinds of traveling waves, one having a straight line like profile and the other having a V shaped profile. For each of the first kind of traveling waves, its profile is the graph of a function whose derivative is almost periodic. For each of the second kind of traveling waves, its profile is like a pulsating cone, with tails asymptotically approach the first kind of traveling waves.
Also we consider a homogenization problem and provide an explicit formula for the homogenized traveling speed.
This is joint work with Xinfu Chen.