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SUMMARY:Alexey Samokhin
DTSTART:20230222T162000Z
DTEND:20230222T180000Z
DTSTAMP:20260423T023051Z
UID:GDEq/80
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/GDEq/80/">On
  perturbations retaining conservation laws of differential equations</a>\n
 by Alexey Samokhin as part of Geometry of differential equations seminar\n
 \n\nAbstract\nThe talk deals with perturbations of the equation that have 
 a number of conservation laws. When a small term is added to the equation 
 its conserved quantities usually decay at individual rates\, a phenomenon 
 known as a selective decay. These rates are described by the simple law us
 ing the conservation laws' generating functions and the added term. Yet so
 me perturbation may retain a specific quantity(s)\, such as energy\, momen
 tum and other physically important characteristics of solutions. We introd
 uce a procedure for finding such perturbations and demonstrate it by examp
 les including the KdV-Burgers equation and a system from magnetodynamics.\
 n
LOCATION:https://researchseminars.org/talk/GDEq/80/
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