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math-ph2020★ 7 cited
Renormalization group flow of Chern-Simons boundary conditions and generalized Ricci tensor
Ján Pulmann, Pavol Ševera, Donald R. Youmans
We find a Chern-Simons propagator on the ball with the chiral boundary condition. We use it to study perturbatively Chern-Simons boundary conditions related to 2-dim -models and…
math-ph1998
Contact geometry in Lagrangean mechanics
Pavol Severa
We present a picture of Lagrangean mechanics, free of some unnatural features (such as complete divergences). As a byproduct, a completely natural U(1)-bundle over the phase space…