most citedHilbert series and higher-order Lagrangians for the model

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hep-th2022★ 11 cited

Hilbert series and higher-order Lagrangians for the model

Johan Bijnens, Sven Bjarke Gudnason, Jiahui Yu +1

We compare the Hilbert series approach with explicit constructions of higher-order Lagrangians for the nonlinear sigma model. We use the Hilbert series to find the number an…