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Additional
Trace operator
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Trace operator
In
mathematics
, the concept of
trace operator
plays an important role in studying the existence and uniqueness of solutions to
boundary value problems
, that is, to
partial differential equations
with prescribed boundary conditions. The trace operator makes it possible to extend the notion of
restriction of a function
to the boundary of its domain to "generalized" functions in a
Sobolev space
.
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