DISCONTINUOUS SYMMETRIES OF DIFFERENTIAL EQUATIONS

Alexey V. Samokhin

Key words: Symmetry, discontinuity, characteristics,
        magnetohydrodynamics.

1991 Math. Subject Classification: 58G35, 35Q60.

Abstract: An interaction between discontinuous symmetries
and/or solutions and possible meaningful types of breaks
is discussed. The general concept is illustrated by
a system describing 3+1 magnetohydrodynamics of plasma in
tokamak type facilities.