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[Jehanzeb Hameed <jhameed2@xxxxxxxxxxxx>]

Hello,

Is it possible to define jump over sub-domains (instead of just over
interior faces). Here is what I am trying to do. I have a domain, with
two subdomains. The subdomains are not disjoint, and have a common
interface (say ds(0) ). Now, I want to define a integral over ds(0)
for the jump in a variable (i.e. I'd like (jump(v), jump(u), ds(0)) .

I want to use lagrange (continuous) over each subdomain, with jump
just across the interface. Can this be done in dolfin using ffc (or ufl).

Thanks,
-Jehanzeb