Igor Khavkine is a mathematical physicist working on field theory.
This article gives a review and careful re-analysis of covariant phase spaces in local Lagrangian field theory:
This article solves the existence problem of local gauge invariant observables in general relativity by showing that while these do not exist as global functions, they do exist as a sheaf of functions on covariant phase space:
Levico Terme, Italy, September 2014)
On jet comonads:
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