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math.AG2016★ 5 cited
Formal gluing along non-linear flags
Benjamin Hennion, Mauro Porta, Gabriele Vezzosi
In this paper we prove formal glueing along an arbitrary closed substack of an arbitrary Artin stack (locally of finite type over a field ), for the stacks of (almost) p…
math.AG2014★ 3 cited
Formal loops, Tate objects and tangent Lie algebras
Benjamin Hennion
If is a symplectic manifold then the space of smooth loops inherits of a quasi-symplectic form. We will focus in this thesis on an algebraic…