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BEGIN:VEVENT
UID:news421@dmi.unibas.ch
DTSTAMP;TZID=Europe/Zurich:20181211T231155
DTSTART;TZID=Europe/Zurich:20171113T160000
SUMMARY:Seminar Analysis: Jozsef Kolumban (Paris Dauphine University)
DESCRIPTION:We  consider  the  motion  of  a  rigid  body  due  to  the  pr
 essure  of  a  surrounded  two-dimensional irrotational perfect incompress
 ible fluid\, the whole system being confined in abounded domain with an im
 permeable condition on a part of the external boundary.  Thanks to an impu
 lsive control strategy we prove that there exists an appropriate boundary 
 condition on the remaining part of the external boundary (allowing some fl
 uid going in and out the domain) such that the immersed rigid body is driv
 en from some given initial position and velocity to some final position an
 d velocity in a given positive time\, without touching the external bounda
 ry.  The controlled part of the external boundary is assumed to have a non
 void interior and the final position is assumed to be in the same connecte
 d component of the set of possible positions as the initial position.
X-ALT-DESC: \nWe  consider  the  motion  of  a  rigid  body  due  to  the  
 pressure  of  a  surrounded  two-dimensional irrotational perfect incompre
 ssible fluid\, the whole system being confined in abounded domain with an 
 impermeable condition on a part of the external boundary.  Thanks to an im
 pulsive control strategy we prove that there exists an appropriate boundar
 y condition on the remaining part of the external boundary (allowing some 
 fluid going in and out the domain) such that the immersed rigid body is dr
 iven from some given initial position and velocity to some final position 
 and velocity in a given positive time\, without touching the external boun
 dary.  The controlled part of the external boundary is assumed to have a n
 onvoid interior and the final position is assumed to be in the same connec
 ted component of the set of possible positions as the initial position.
DTEND;TZID=Europe/Zurich:20171113T180000
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